搜档网
当前位置:搜档网 › 中科院-中科大2004试题及答案

中科院-中科大2004试题及答案

中科院-中科大2004试题及答案
中科院-中科大2004试题及答案

中国科学院——中国科学技术大学

2004年招收攻读硕士学位研究生入学考试试题

试题名称:物理化学

一、选择题(共50小题,每小题1.5分,共75分)

1. 如右图,在绝热盛水容器中,有一电阻丝,通以电流一段时间,

若以电阻丝为体系,则上述过程的Q、W和体系的?U值的符号为:(A)W=0,Q<0,?U<0;(B)W<0,Q<0,?U>0;

(C)W=0,Q>0,?U>0;(D)W<0,Q﹦0,?U>0

2.1mol,373.15K, p下的水经下列两个不同过程达到373.15K, p下

的水汽:(1)等温等压可逆蒸发;(2)向真空蒸发。则(1)、(2)两个不同过程中功和热的关系为:(注:体系对外做功为负值)

(A)W1Q2;(B)W1

(C)W1=W2,Q1=Q2;(D)W1>W2,Q1

3.对于下列四种表述

(1)因为H=Q p,所以只有等压过程才有?H;

(2)因为H=Q p,所以Q p也具有状态函数的性质;

(3)公式H=Q p 只适用于封闭体系;

(4)对于封闭体系经历一个不作非体积功的等压过程,其热量Q p只取决于体系的始态和终态。

上述诸结论中正确的是:

(A)(1)(4);(B)(3)(4);(C)(2)(3);(D)(1)(2)

4.下列诸过程可应用公式:d U=(C p-nR)dT进行计算的是:

(A)实际气体等压可逆冷却;(B)恒容搅拌某液体以升高温度;

(C)理想气体绝热可逆膨胀;(D)量热弹中的燃烧过程

5.对于一定量的理想气体,下列过程:

(1)对外作功,同时放热;

(2)体积不变,而温度上升,并且是绝热过程、无非体积功;

(3)恒压下绝热膨胀;

(4)恒温下绝热膨胀;

可能发生的是:

(A)(1)(4);(B)(2)(3);(C)(3)(4);(D)(1)(2)6.某化学反应在恒压、绝热和只作体积功的条件下进行,体系的温度由T1升高到T2,则此过程的焓变H:

(A)小于零;(B)等于零;(C)大于零;(D)不能确定7.人在室内休息时,大约每天要吃0.2㎏的酐酪(摄取的能量约为4000kJ)。假定这些能量全部不存储在体内,为了维持体温不变,这些能量全部变为热使汗水蒸发。已知室温下水的蒸发热为44kJ·mol-1,则每天需喝水:

(A)0.5㎏;(B)1.0㎏;(C)1.6㎏;(D)3.0㎏8.从统计热力学的观点看,理想气体封闭体系在有用功W f=0、体积不变的情况下吸热时,体系中粒子:

(A)能级提高,且各能级上的粒子分布数发生变化;

(B)能级提高,且各能级上的粒子分布数不变化;

(C)能级不变,但能级上的粒子分布数发生变化;

(D)能级不变,且各能级上的粒子分布数不变化。

9.某气体的状态方程为:p=f (V) ·T, f (V)仅表示体积V的函数,恒温下该气体的熵随体积V的增加而:

(A)增加:(B)下降;(C)不变;(D)难以确定

10.关于偏摩尔量,下面的叙述中不正确的是:

(A)偏摩尔量的数值可以是正数、负数和零;

(B)溶液中每一种广度性质都有偏摩尔量,而且都不等于其摩尔量;

(C)除偏摩尔吉布斯(Gibbs)自由能外,其它偏摩尔量都不等于化学势;

(D)溶液中各组分的偏摩尔量之间符合吉布斯—杜亥姆关系式11.对于服从玻尔兹曼分布定律的体系,其分布规律为:

(A)能量最低的量子状态上的粒子数最多;

(B)第一激发能级上的粒子最多;

(C)视体系的具体条件而定;

(D)以上三答案都不对

12.在N个NO分子组成的晶体中,每个分子都有两种可能的排列方式,即NO和ON,也可将晶体视为NO和ON的混合物,在温度为OK是该体系的熵值为:(k B为玻尔兹曼常数)

(A)S0=0 (B)S0=k B·㏑2 (C) S0=N k B·㏑2 (D) S0=2k B·㏑213.已知CO的转动惯量I=1.45×10-46㎏· m2,则CO的转特征温度为:

(A)0.36K(B)2.78K (C)2.78×107K (D)5.56K

14.热力学温度与分子配分函数的关系式对于定域和离域粒子体系都相同的是:

(A)G, A, S (B)U, H, S (C)U,H, C V (D)H,G ,C V 15.已知I

2

(g)的基本振动频率υ=21420m1-,则I2(g)的振动特征温度νΘ

为:

(A)2.31×10-14K (B)1.03×10-8K (C)308.5K (D)3.23×10-3K 16.一个体积为V,粒子质量为m的离域子体系,其最低平动能和其相邻能级的间隔是:

(A)h2/(8mV2/3) (B)3 h2/(8mV2/3)

(C)4 h2/(8mV2/3) (D)9 h2/(8mV2/3)

17.在298.15K和101.325kPa时,摩尔平动熵最大的气体是:(A)H2 (B)CH4

(C)NO (D)CO2

18.双原子分子在温度很低时且选取振动基态能量为零,则振动配分函数值:

(A)等于0 (B)等于1

(C)小于0 (D)小于1

19.假设A、B二组分混合物可以形成理想液体混合物,则下列叙述中不正确的是:

(A )A 、B 分子间的作用力很微弱 (B )A 、B 都遵守拉乌尔定律

(C )液体混合物的蒸气压介于A 、B 的蒸气压之间 (D )可以用重复蒸馏的方法使A 、B 完全分离。

20.在298K 时,A 和B 两种气体单独在某一溶剂中溶解时遵守享利定律,

享得常数分别为K A 和K B ,且已知K A >K B ,则当A 和B 的(气相平衡)压

力相同时,在一定量的该溶液中所溶解的A ,B 量的关系为: (A )A 的量大于B 的量; (B )A 的量小于B 的量;

(C )A 的量等于B 的量; (D )A 的量与B 的量无法比较。 21.Na 2CO 3可形成三种水合盐,Na 2CO 3·H 2O 、Na 2CO 3·7H 2O 及Na 2CO 3·10H 2O

常压下当将Na 2CO 3(s )

投入其水溶液中,待达三相平衡时,一相是Na 2CO 3水溶液,一相是Na 2CO 3(s ),则另一相是: (A )冰; (B )Na 2CO 3·10H 2O (s ) (C )Na 2CO 3·7H 2O (s ) (D )Na 2CO 3·H 2O (s ) 22.某实际气体反应,用逸度表示的平衡常数f K 随下列哪些因素而变: (A )体系的总压力; (B )催化剂; (C )温度; (D )惰性气体的量

23.对于摩尔熵用统计方法计算了各种运动的典型值,

m S (平)=150J·K -1·mol -1,转动及振动每个自由度的值为

m S (转)=30J·K -1·mol -1 ,m S (振)= 1.0 J·K -1·mol -1

,对于反应A+BC

生成线性过滤态时其m S ≠?/ J·K -1·mol -1

的数值应为:

(A )-147 J·K -1·mol -1 (B )-148 J·K -1·mol -1

(C )-119 J·K -1·mol -1 (D )148 J·K -1·mol -1

24.(1)0φ的数值主要取决于溶液中与固体呈平衡的离子浓度

(2)ζ电势随溶剂化层中离子的浓度而改变,少量外加电解质对ζ电

势的数值会有显著的影响,可以使ζ电势降低,甚至反号;

(3)少量外加电解质对0φ并不产生显著影响; (4)利用双电层和ζ电势的概念,可以说明电动现象;

上述对于stern 双电层模型的表述,正确的是: (A )(1) (B )(3) (C )(2)(4) (D )都正确 25.下面关于表面张力的方向叙述不正确的是: (A )平液面的表面张力沿着液面且与液面平行; (B )弯曲液面的表面张力指向曲率中心;

(C )弯曲液面的表面张力垂直与周界限,且与液滴的表面相切; (D )表面张力是沿着液体表面,垂直作用于单位长度上的紧缩力 26.表面活性剂具有增溶作用,对增溶作用叙述不正确的是: (A )增溶作用可以使被溶物的化学势大大降低; (B )增溶作用是一个可逆的平衡过程;

(C)增溶作用也就是溶解作用;

(D)增溶作用与乳化作用不同。

27.向FeCl3(aq)中加入少量氨水,可制备稳定的氢氧化铁溶胶,此时胶体粒子带电荷情况为:

(A)总是带正电;(B)在pH较大时带正电;

(C)总是带负电;(D)在pH较大时带负电

28.处于热平衡的多相接触体系Cu︱Zn︱Ag︱Cu是不能发电的,其原因是:(A)接触各相的内电位相等;(B)Zn、Ag、Cu的化学势相等;

(C)接触各相的电子化学势相等;(D)接触各相的电子逸出功相等

29.实验测得0℃,压力为9.33kPa时,NH3(g)在活性炭上的吸附量为50㎝3(标准),在30℃,若要NH3(g)的吸附量为50㎝3,NH3(g)的压力应为29.06kPa,则NH3(g)在活性炭上的吸附热为多少?

(A)26.07kJ·mol-1(B)13.12 kJ·mol-1

(C)6.55 kJ·mol-1(D)2.01 kJ·mol-1

30.汞不湿润玻璃,其密度ρ=1.35×104㎏·m-3,水湿润玻璃,密度ρ=0.9965×104㎏·m-3,汞在内径为1×10-4m的玻璃管内下降h1,在内径为1×10-3m的玻璃管内下降h2,水在内径为1×10-4m的玻璃管内上升h3,在内径为1×10-3m的玻璃管内上升h4,令h1/ h2=A, h3/ h4=B,则有:

(A)A>B (B)A

(C)A=B (D)不能确定A与B的关系

31.电解混合电解液时,有一种电解质可以首先析出,它的分解电压等于下列差值中的哪一个?

式中E

平,E

和E

分别代表电极的可逆电极电势和阴、阳极的实际

析出电势。

(A)E

平,阳

-E

平,阴

(B)E

+E

(C)E

(最小)-E

(最大) (D)E

(最大)-E

(最小)

32.下面关于附加压力的叙述正确的是:

(A)弯曲液面附加压力的方向指向液体;

(B)弯曲液面附加压力的大小与弯曲液面的曲率半径无关;

(C)弯曲液面附加压力的方向永远指向曲率中心;

(D)液体中的小气泡和空气中的小气泡的附加压力相同

33.z B、r B及c B分别是混合电解质溶液中B种离子的电荷数、迁移速率及

浓度,对影响B离子迁移数(t B)的下述说法哪个对?

(A)︱z B︱愈大,t B愈大

(B)︱z B︱愈大、r B愈大, t B愈大

(C)︱z B︱、r B、c B愈大, t B愈大

(D)A、B、C均未说完全

34.不符合Langmuir吸附理论的一个假设是:

(A)单分子层吸附;(B)吸附平衡是动态平衡;

(C)固体表面均匀;(D)吸附分子间的作用力较大

35.韦斯顿(Wheatstone)电桥只用于测量电解质溶液的:

(A)电势(B)电阻

(C)离子的迁移数(D)电容

36.能斯特方程中ln i

i

i

RT

E E a

zF

ν

=-∏,E的物理意义是:

(A )

0RT

zF

=时的电池的电动势 (B )参加电池反应的各物均处于标准态时电动势 (C )

1i

i i

a ν

=∏时的电动势

(D )参加电池反应的各物质浓度均为1时的电动势

37.在测量丙酮溴化反应速率常数的实验中,为了方便、准确地测量反应

进程,下列哪种仪器最为合适?

(A )电泳仪 (B )阿贝折光仪 (C )分光光度计 (D )旋光仪 38.BET 公式

(A )能用于单层的化学、物理吸附 (B )只能用于多层物理吸附 (C )能用于多层的化学、物理吸附 (D )只能用于单层物理吸附 39.恒温恒压下,将一液体分散成小颗粒液滴,该过程液体的熵值: (A )增大 (B )减少 (C )不变 (D )无法判定

40.很多可燃气体在空气中发生支链反应而发生爆炸,爆炸有一定界限,

其上限主要由于:

(A )容易发生三分子碰撞而丧失自由基 (B )密度高而导热快 (C )存在的杂质发挥了影响 (D )自由基与器壁碰撞

加剧

41.外加直流电场于胶体溶液,向某一电极定向移动的是: (A )胶核 (B )胶团 (C )胶粒 (D )紧密层

42.测得氧在纯净的金属W 表面上化学吸附热为596.64kJ·mol -1

,而气态

氧原子的吸附热为543.92kJ·mol -1,氧的解离能为491.53kJ·mol -1

则氧在W 表面上吸附热为:

(A )分子吸附,范德华力 (B )分子吸附,生成氢键

(C )原子吸附,生成共价键 (D )原子吸附,生成吸附配位键 43.氢氧燃料电池的反应为H 2 (p )+1/2O 2 (p )=H 2O(l),在298K 时,

E =1.229V ,则电池反应的平衡常数K 为

(A )1.0 (B )1.44×1020

(C )3.79×1041

(D )0

44.如果臭氧(O 3)分解反应2O 3→3O 2的反应机理是: O 3→O+ O 2 (1) O+O 3→2O 2 (2) 请指出这个反应对O 3而言可能是:

(A )0级反应 (B )1级反应 (C )2级反应 (D )1.5级反应

45.298K 时,在下列电池Pt ︱H 2 (p )︱H +

(a =1)‖CuSO 4(0.01mol·㎏-1

︱Cu(s)右边溶液中通入NH 3,电池电动势将: (A )升高 (B )下降 (C )不变 (D )无法比较 46.极谱分析中加入大量惰性电解质的目的是:

(A )增加溶液电导 (B )固定离子强度 (C )消除迁移电流 (D )上述几种都是

47.设饱和甘汞电极、摩尔甘汞电极和0.1mol·dm -3

甘汞电极的电极电势

为1E 、2E 、3E ,则298K 时,三者的相对大小为:

(A )123E E E >> (B )123

E E E <<

(C )213E E E >> (D )312E E E >= 48.电池反应中,当各反应物及产物达到平衡时,电池电动势为: (A )等于零 (B )

E (C )(RT/z

F )ln a K (D )不一定

49.电池在恒温恒压及可逆情况下放电,则其与环境的热交换为: (A )△r H (B )T △r S

(C )一定为零 (D )与△r H 和 T △r S 均无关 50.298K ,选用适当的催化剂后,使反应活化能比未加催化剂时降低了

8500J·mol -1

。则二者速率常数比(k cat /k 0)为: (A )31 (B )61 (C )92 (D )4.5 二、计算题(共8题,75分)

1.(10分)373.15K 、2×p 的水蒸汽可以维持一段时间,但是这是一种亚平衡态,称作过饱和态,它可自发地凝聚,过程是: H 2O(g,100℃,202650Pa)→H 2O(l,100℃,202650Pa)

求此过程H 2O 的摩尔焓变△H m 、摩尔熵变△S m 及摩尔自由能变化△G m 。

已知水的摩尔汽化热vap m H ?为40.60kJ·mol -1

,假设水蒸汽为理想

气体,液态水是不可压缩。

2.(10分)Na 在汞齐中的活度a 2符合:ln a 2=ln x 2+35.7 x 2, x 2为汞齐中的Na 摩尔分数,求x 2=0.04时,汞齐中Hg 的活度a 1(汞齐中只有Na 及Hg )

3.(10分)NaCl -H 2O 所组成的二组分体系,在-21℃时有一个低共熔点,此时冰、NaCl 2H 2O(s)和(质量百分比)浓度为23.3%的NaCl 水溶液平衡共存。在-9℃时不稳定化合物NaCl 2H 2O(s)分解,生成无水NaCl 和27%的NaCl 水溶液。已知无水NaCl 在水中的溶解度受温度的影响不大(当温度升高时,溶解度略有增加) (1)试绘出相图,并标出各部分存在的相态

(2)若有1000克28%的NaCl 溶液,由160℃冷却到-10℃,问此过程中最多能析出多少纯NaCl?

(3)以海水(含2.5%NaCl )制取淡水,问冷却到何温度时析出冷淡水最多?

已知:原子量 Cl: 35.5 Na: 23.0 4.(10分)在密闭容器中放入PCl 5,并按下式分解:PCl 5(g)= PCl 3(g)+Cl 2(g) (1)在T =403K 时,体系的压力是否有定值?

(2)在T =403K ,总压力为101325Pa 时,实验测得混合气的密度为4.800

㎏·m -3

,计算反应在403K 时的r m G

?

(3)若总压力仍维持在101325Pa ,而其中0.5×101325Pa 是惰性气体

Ar ,求此时PCl 5的离解度a '

已知:原子量 Cl: 35.5 ;P: 31.0,气体为理想气体

5.(10分)反应[]+

3253O H )NH (Co +-Br

22

k k -[]+253B r )NH (Co +H 2

O ,

298K 平衡常数K =0.37, k -2=6.3×10-6

dm 3

·mol -1

·s -1

,求: (1)正向反应速率常数k 2

(2)在0.1mol·dm -3

NaClO 4溶液中正向反应的速率常数2

k ' 6.(10分)对于遵守Michaelis 历程的酶催化反应,实验测得不同底物浓度[]S 时之反应速率r ,今取其中二组数据如下:

103

[S]/mol·dm -3

105

r /mol·d m -3

·s -1

2.0 13

20.0 38

当酶的初浓度[E]0=2.0g·dm -3,M E =5.0×103g·mol -1

请计算米氏常数K m ,最大反速率r m 和k 2 (ES 2

k

??

→E+P)。 7.(5分)用同一根毛细管测定液体上升的高度,结果33.24%(体积分数)

乙醇水溶液仅是纯水的47.4%,已知γ(H 2O,298K)=72.75×10-3N·m -1

0ρ(H 2O)=0.9982×103

㎏·m -3

,1ρ (C 2H 5OH-H 2O)= 0.9614×103

㎏·m -3

求乙醇水溶液的表面张力(298K )

8.电池Zn(s)︱ZnCl 2(0.555mol·㎏-1

)︱AgCl(s)︱Ag(s)在298K 时,

E =1.015V ,已知

4-1

(/) 4.0210V K

p E T -??=-??,2+(Zn |Zn)=-0.763V E , (AgCl Ag)=0.222V E

(1)写出电池反应(2个电子得失) (2)求反应的平衡常数 (3)求ZnCl 2的γ±

(4)若该反应在恒压反应釜中进行,不作其它功,求热效应为多少? (5)若反应在可逆电池中进行,热效应为多少?

中国科学院——中国科学技术大学

2004年招收攻读硕士学位研究生入学考试试题参考答案

试题名称: 物 理 化 学

一、选择题(共50小题,每小题1.5分,共75分)

1、B ;

2、A ;

3、B ;

4、C ;

5、A ;

6、B ;

7、C ;

8、C ;

9、A ;10、B ; 11、A ;12、C ;13、B ;14、C ;15、C ;16、B ;17、D ;18、B ;19、A ;20、B ; 21、D ;22、C ;23、B ;24、D ;25、B ;26、C ;27、A ;28、C ;29、A ;30、C ; 31、C ;32、C ;33、D ;34、D ;35、B ;36、B ;37、C ;38、B ;39、A ;40、A ; 41、C ;42、D ;43、C ;44、B ;45、B ;46、C ;47、B ;48、A ;49、B ;50、A ;

二、计算题:(共8小题,75分) 1.(10分)由下列可逆过程

(1)H 2O(g,100℃,202650Pa)→H 2O(g,100℃,101325Pa)

,1m H ?=0(理想气体),,1m S ?=R ln(V 2/V 1)=5.76J·K -1

·mol -1

,1m G ?=,1m H ?-T ,1m S ?=0-373.15×5.76=-2150 J·mol -1

(2)H 2O(g,100℃,101325Pa)→H 2O(l,100℃,101325Pa) ,2m H ?=-vap m H ?=-40600 J·mol -1

,2m S ?=vap /m H T -?=-40600/373.15=-108.8J·K -1

·mol -1

,2m G ?=0(可逆相变)

(3)H 2O(l,100℃,101325Pa)→H 2O(l,100℃,202650Pa)

恒温下液体加压,体积不变,,3m H ?、,3m S ?、,3m G ?值与前者相比可

忽略。

所以:?H m =,1m H ?+,2m H ?=-40600J·mol -1

=-40.6kJ·mol -1

?S m =,1m S ?+,2m S ?=5.76-108.8= -103.0 J·K -1

·mol -1

?G m =,1m G ?+,2m G ?=-2150J·mol -1

=-2.15kJ·mol -1

2.(10分)已知:ln a 2=ln x 2+35.7x 2

d ln a 2=d (ln x 2+35.7x 2)=dx 2/x 2+35.7dx 2 =d (1-x 1)/x 2+35.7d (1-x 1) =-dx 1/x 2-35.7dx 1

因为 x 1d ln a 1+x 2d ln a 2=0 所以 d ln a 1=-(x 2/x 1)d ln a 2

=-(x 2/x 1)[]121/35.7dx x dx -- 11

11111ln 35.7dx x d a dx x x -=

+?

??

ln a 1=ln x 1+35.7(ln x 1- x 1)+C =36.7ln x 1-35.7+C

当a 1=1时,x 1=1,代入上式:积分常数:C=35.7

所以:ln a 1=36.7ln x 1-35.7 x 1+35.7=36.7ln x 1+35.7(1-x 1)

将 x 1=1-x 2=1-0.04=0.96代

ln a 1=36.7ln0.96+35.7(1-0.96)=-0.07017

a 1=0.932 3.(10分)

(1)不稳定化合物NaCl·2H 2O(s)中NaCl 的质量分数为: W (NaCl)/W(NaCl·2H 2O)=58.5/94.5=0.619

-21℃时有三相平衡线(无水NaCl 、不稳定化合物NaCl·2H 2O 和22.3%

的NaCl 水溶液);

-9℃时有三相平衡线(无水NaCl 、不稳定化合物NaCl·2H 2O 和27%的

NaCl 水溶液);

绘制相图如下:

(2)1000克28%的NaCl溶液冷却到-10℃,最多可析出NaCl为W NaCl克:W L×(28-27)=W NaCl×(100-28),W L=1000-W NaCl

? W NaCl =13.7克

(3)-21℃时析出淡水最多。

4.(10分)(1)该体系中:

1

P=1,S=3,R=1,R'=1,?C=1

f*=C-P﹢1﹦1-1﹢1﹦1,即体系的压力不为定值。

(2)设初始为1molPCl5,则:

PCl5(g) ﹦ PCl3(g) ﹢ Cl2(g)

平衡时:(1-α)αα体系总量:(1+α)mol

组分分压:p(1-α)/(1+α) pα/(1+ α) pα/(1+α)

总质量为PCl5的摩尔质量:M(PCl5),则由理想气体:

pV﹦nRT﹦(1+α)RT (1)

5

(PCl)

M

V

ρ= (2)

(1)×(2),得:

1﹢α﹦5

(PCl)

p M

RTρ

?

8.4

403

314

.8

10

5.

208

1013253

?

?

?

?-

=1.314mol ?α=0.314mol

r m

G

?﹦-RT ln

p

K﹦-RT ln

2

()1

1

1

1

p

p

p

α

α

α

α

??

??

+

??

-

??

+

??

﹦-RT ln(

2

2

1

p

p

α

α

-

)﹦-8.314×403×ln(

2

2

0.314

10.314

p

p

-

)﹦7414.5 J·m ol-1≈7.415 kJ·mol-1

(3)

2'2

2'2

1

2

11

p

p

p

K

p p

αα

αα

==

--

?

2'

2'

-

α

﹦2

2

2

314

.0

1

314

.0

-

﹦0.21876 ?'α﹦0.4237≈0.424

5.(10分)

(1)K﹦k2 / k-2

所以k2=K k-2﹦2.3×106- dm3·mol-1·s-1

(2)lg k =lg k 0+2 z A z B A I 1/2

, k 0为无限稀释溶液的速率常数,

设k 2=k 0 则1

2

2

2lg lg 2A B k k z z AI '=+

I =1/2

2i i

c z

∑﹦0.1mol·dm -3

得'

2k ﹦2.5×10-7

dm 3

·mol -1

·s -1

6.(10分)

r ﹦r m [S]/(K (M)+ [S]), r -1

= 1

m r

-+(

K (M)/r m ) [S]-1

(1)

将实验数据代入(1)式,求得(K (M)/ r m )﹦11.2s 再从(1)式 求1

m r -﹦2092mol -1

·dm 3

·s

r m ﹦4.78×10-3mol·dm -3

K (M)﹦11.2 r m ﹦5.53×10-3

mol·dm -3

k 2﹦r m /[E]0﹦[

]

)50000/2/(1078.44

-?s -1﹦12.0s -1

7.(5分)

据 h ﹦2γ/(ρRg ) 可得 h 1/h 0﹦1o o 1/()γργρ

111000/()h h γργρ=﹦33.21×103-N·m 1-

8.(10分)

(1) Zn(s)﹢2AgCl(s)→Zn 2+

(a +)﹢2Cl -

(a -)﹢2Ag(s)

(2) ln K a ﹦2/()E F RT ????, E ﹦0.985V, K a ﹦2.1×1033

(3) 2

/(2)ln()E E RT F a a +-=-?

1.015V ﹦0.985V ﹣RT/(2F )×ln [

]

3

)555.02(555.0±γ? ±γ﹦0.520

(4)Q p ﹦?H ﹦-zFF +zFT (?E /?p )p ﹦-219.0kJ·mol -1

(5)Q R ﹦zFT (?E /?p )p ﹦-23.12kJ·mol

(注:本资料素材和资料部分来自网络,仅供参考。请预览后才下载,期待你的好评与关注!)

2011年4月全国自考传播学概论真题+答案

全国2011年4月自学考试 传播学概论试题 课程代码:00642 一、单项选择题(本大题共20小题,每小题1分,共20分) 在每小题列出的四个备选项中只有一个选项是符合题目要求的,请将其代码填写在题后的括号内。错选、多选或未选均无分。 1.最早提出“把关人”概念的是原籍德国的美国心理学家() A.施拉姆 B.卢因 C.拉斯韦尔 D.霍夫兰 2.《论出版自由》的作者是() A.弥尔顿 B.卢梭 C.约翰·穆勒 D.伏尔泰 3.拉斯韦尔传播模式的第三个环节是() A.谁 B.对谁 C.说什么 D.通过什么渠道 4.下列选项中,属于线性模式的是() A.德福勒模式 B.赖利夫妇模式 C.申农—韦弗模式 D.奥斯古德—施拉姆模式 5.在传播研究中,问卷主要用于受众调查和() A.传播效果研究 B.内容分析 C.传播媒介研究 D.控制分析 6.不接受自变量作用的实验对象在控制实验中构成() A.“控制组” B.“实验组” C.“观测组” D.“对照组” 7.美国心理学家托尔曼认为,很多传播行为是一种() A.工具性行为 B.使用满足性行为 C.社交性行为 D.自我中心性行为 8.拉扎斯菲尔德等指出大众传播有三个功能,但不包括 ...() A.环境监测功能 B.授予地位功能

C.麻醉精神功能 D.重申社会准则功能 9.巴斯把传播媒介的把关行动分为两个阶段,并认为第二阶段的把关人主要是() A.记者 B.传媒的经营者 C.编辑 D.传媒的所有者 10.西方学者提出的报刊四种理论中最早出现的是() A.集权主义理论 B.自由主义理论 C.社会责任理论 D.苏联共产主义理论 11.按照美国数学家申农的定义,信息指的是() A.确定性减少的量 B.不确定性减少的量 C.确定性减少的质 D.不确定性减少的质 12.社会传播中的超量信息也是一种噪音,这种噪音是() A.人为的 B.不可控制的 C.天然的 D.不能译码的 13.麦克卢汉把人类社会发展分为三个时期,其中电子传播时期也叫() A.部落前文化时期 B.部落文化时期 C.脱离部落文化时期 D.重归部落文化时期 14.用实验证实了英国科学家马克斯韦尔关于无线电波预言的德国物理学家是() A.贝尔 B.马可尼 C.赫兹 D.波波夫 15.下列与选择性理解的意思最接近的成语是() A.择善而从 B.爱屋及乌 C.从谏如流 D.见仁见智 16.受众理论中有一种以“刺激—反应论”的心理学模式为基础,并从行为主义的角度描述受众。这种理论是() A.个人差异论 B.社会分类论 C.社会关系论 D.选择性因素理论 17.20世纪40年代至60年代是传播效果研究的第二阶段。这个阶段提出的关于传播效果的观点是() A.“皮下注射论” B.“培养理论” C.“有限效果论” D.“知识沟理论” 18.在1940年美国总统大选期间,拉扎斯菲尔德等围绕大众传播的竞选宣传对选民投票意向的影响所作的调查被称为() A.培因调查 B.盖洛普调查 C.伊里调查 D.尼尔森调查

2003年11月秘书三级考试试题及答案

2003年11月秘书三级考试试题 第一部分职业道德 (1~50题,共50道题) 一、职业道德知识部分(1~8题) 答题指导: ◆该部分均为选择题,每题均有四个备选项,基中每题有一个或多个正确答案。 ◆请按照题意选择确定正确答案,并在答题卡上将所选答案的相应字母涂黑。 ◆错选、少选、多选、则该题不能得分。 1、企业文化一般具有()功能。 (A)自律(B)导向 (C)整合(D)激励 2、下列选项中,符合从业人员文明礼貌规范要求的有()。 (A)鞋袜搭配合理(B)表情严肃 (C)感情热烈(D)语言简练 3、对从业人员来说,爱岗敬业要做到()。 (A)终身从事一种职业(B)不能对工作有功利主义观念 (C)树立积极的职业理想(D)提高职业技能 4、以下关于办事公道的说法,你认为正确的是()。 (A)办事公道就是按照一个标准办事,在当事人中间搞折衷 (B)办事公道没有明确的标准,只能因人而异 (C)办事公道是职业劳动者应该具有的品质 (D)对一个无职权的工人来说,不存在办事公道与否的问题 5、下列关于勤劳节俭的说法中,正确的是()。 (A)勤劳与刺激内需、拉动消费相矛盾 (B)提倡勤劳节俭就是让人习惯过苦日子 (C)勤劳与节俭互动为表里 (D)勤劳节俭有利于可持续发展 6、关于团结互助的几点认识中,你认为正确的是()。 (A)取消员工之间的一切差别(B)上下级之间平等尊重 (C)师徒如父子(D)同行之间只有竞争 7、以下关于创新的说法中,你认为正确的是()。 (A)创新是对常规的突破(B)创新需要“标新立异” (C)创新需要幻想(D)创新需要意志 8、()作为公民道德建设的核心,是社会主义道德区别和优越于其它社会形态道德的显著标志。 (A)集体主义(B)爱国主义 (C)为人民服务(D)诚实守信 二、职业道德个人情况表现部分(9~50题) 答题指导: ◆该部分均为择题,每题均有四个备选项。 ◆请按照题意要求,根据自己的实际情况选择相应的选项。 (一)单项选择题(请在下述每题4个选项中,选择1个您认为最能反映您的实际想法或情况的选项,并在答题卡上将相应的字母涂黑) 9、当我的工作得到大家的肯定时,我通常会()。

2011年4月全国自考《英语语法》试题和答案

00831# 英语语法试题 第 1 页(共 8 页) 英语语法试题 课程代码:00831 一、单项选择题(本大题共20小题,每小题1分,共20分) Choose the best answer from the choices given and put the letter A, B, C or D in the brackets . 1. This encyclopedia, which you can buy at any bookstore, will give you ______ you need. ( ) A. all the information B. all of information C. all the informations D. all of the informations 2. The child ought to have a rest; she ______ the piano for nearly three hours. ( ) A. had practiced B. is practicing C. has been practicing D. practices 3. Great efforts to increase agricultural production must be made in this country if food shortage ______ . ( ) A. is to be avoided B. can be avoided C. will be avoided D. has been avoided 4. My son's hair is too long; it wants ______. I'll have it ______ tomorrow. ( ) A. cutting… done B. cutting… to be done C. being cut… done D. to be cut… to be done 5. All the tourists desire that the guide ______ them timely information about the changes in the schedule. ( ) A. give B. gave C. gives D. can give 6. You ______ all the calculations of the students' scores. We have the computer software to do that job. ( ) A. needn't have done B. mustn't have done C. shouldn't have done D. couldn't have done 7. John is supposed ______ his term paper last. week, but he hasn't finished it yet. ( ) A. to hand in B. to be handing in C. to have handed in D. to have been handed in 8. You can see this type of ATM ______ in almost every commercial bank. ( ) A. used B. using C. use D. to be used 9.I like playing video games ______ to the music. ( ) A. more than to listen B. more than listening C. than listening D. rather than to listen 10. You can't be ______ cautious in making the decision as it concerns your son's future. ( ) A. very B. rather

浙江省普通高中2019学考选考(18年11月)信息技术试卷及答案解析

信息技术试卷 第1页(共12页) 信息技术试卷 第2页(共12页) 绝密★启用前 浙江省普通高中2019学考选考(18年11月) 信息技术 一、选择题(本大题共12小题,每小题2分,共24分,每小题列出的四个备 选项中只有一个是符合题目要求的,不选、错选、多选均不得分。) 1.下列有关信息技术的说法,不正确的是 ( ) A .信息技术是伴随着计算机和互联网技术的发展而诞生的 B .信息技术是对信息进行采集、处理、传输、存储、表达和使用的技术 C .信息技术包含微电子技术、通信技术、计算机技术和传感技术等 D .物联网、人工智能、云计算等技术都是当前信息技术发展的热点 2.电子邮件服务器之间传送邮件时采用的协议名称是 ( ) A .URL B .SMTP C .HTTP D .POP3 3.使用Word 软件编辑某文档,部分界面如图所示。下列说法正确的是 ( ) A .实现图中的图文环绕效果可以采用“嵌入型”环绕方式 B .删除图中批注后,批注对象和批注内容同时被删除 C .当前光标位于标题行,按“Delete ”键一次,“离”字被删除 D .拒绝文档中的所有修订后,文字“应该说”被保留 4.使用Access 软件打开数据库,部分界面如图所示。下列说法正确的是 ( ) A .“表1”中第1条记录的“借阅ID ”字段值一定为“1” B .“表1”中“是否赔偿”字段的有效输入值可以为“已赔偿” C .“表1”中不同记录的“图书编号”字段值可以相同 D .“读者信息表”中不能包含“读者编号”字段 5.某算法的部分流程图如图所示。执行这部分流程,分别输入35、50、60,则输出值依次为 ( ) A .10,3 B .10,4 C .7,10,4 D .10,12,3 6.下列关于多媒体技术的说法,正确的是 ( ) A .多媒体技术中的媒体是指承载信息的载体,如文字、声音、图形和图像等 B .多媒体数据压缩标准中,MPEG 是静态图像压缩标准,JPEG 是动态图像压缩标准 C .某软件能根据文本内容自动朗读,该功能主要应用了多媒体技术中的语音识别技术 D .智能手机的指纹识别功能,主要应用了多媒体技术中的OCR 技术 7.使用UltraEdit 软件观察字符“A-Za-z0-9”的内码,部分界面如图所示。 ( ) 下列说法正确的是 A .字符“F ”、“d ”、“6”的内码值由小变大 B .字符“a ”与“A ”内码值之差的十进制表示为20 C .字符“2”内码值的二进制表示为“00000010” D .图中所有字符内码值的十进制表示均小于128 8.使用Photoshop 软件制作“阅读”作品,部分界面如图所示,将作品存储为JPEG 格式文件“阅读.jpg ”。关于文件“阅读.jpg ”,下列说法正确的是 ( ) -------------在 --------------------此-------------------- 卷-------------------- 上--------------------答-------------------- 题-------------------- 无-------------------- 效 ---------------- 毕业学校_____________ 姓名_____________ 准考证号_____________ ____________________________________________________

2004年11月CATTI三级笔译实务真题(附答案)

2004年11月英语三级笔译实务试题 Section 1 English-Chinese T ranslation (英译汉) (60 points) Translate the following passage into Chinese. The time for this section is 120 minutes. A few weeks back, I asked a 14-year-old friend how she was coping with school. Referring to stress, she heaved a big sigh and said: "Aiyah, anything bad that can happen has already happened." Her friends nearby then started pouring out their woes about which subjects they found hard, and so on. Pessimism again, in these all-too-familiar remarks about Singapore's education system, widely regarded as too results-oriented, and! wonder why I even bothered to ask. The school system of reaching for A's underlies the country's culture, which emphasizes the chase for economic excellence where wealth and status are must-haves. Such a culture is hard to change. So when I read of how the new Remaking Singapore Committee had set one of its goals as challenging the traditional roads to success, encouraging Singaporeans to realize alternative careers in the arts, sports, research or as entrepreneurs, I had my doubts about its success in this area, if not coupled with help from parents themselves. The new Remaking Singapore Committee is a brainchild of the Singaporean Prime Minister, formed to make Singaporeans look beyond the five C's: cash, condos, clubs, credit cards and cars, to help prepare the nation for the future. It is good that the government wants to do something about the country's preoccupation with material success. But it will be a losing battle if the family unit itself is not involved because I believe the committee's success is rooted in a revamp of an entire culture built from 37 years of independence. This makeover has to start with the most basic societal unit -- the family. Parents should not drown their children in mantras of I-want-hundred-marks. Tuition lessons are not the be-all and end-all of life. And a score of 70 for a Chinese paper is definitely not the end of life. If ever I become a parent, I will bring my children camping. I will show them that cooking food in a mess tin over a campfire is fun. I will teach them that there is nothing dirty about lying on a sleeping bag over grass. In fact, it is educational because Orion is up there in the night sky with all the other bright stars whose shapes and patterns tell something more than a myth. For instance, they give directions to the lost traveler, I will say. And who knows, my child may become an astronomer years down the road. All because of the nights I spent with him watching the twinkles in the sky. That's my point. Parents should teach their children that there's more to life than studies. Better still if the nation's leaders echo that idea as well. This way, when their children aspire to be the next Joscelin Yeo, they won't feel like they are fighting a losing battle against a society that holds doctors and lawyers in awe. However, the culture that babysits economic excellence is deeply ingrained and so are the mindsets of many parents. But parents can take the cue from the new Remaking Singapore

自考国家税收2011年4月试题及答案

2011年4月自考国家税收考试题 一、单选 1.下列关于税收的形式特征,描述正确的是() A.强制性、无偿性、固定性 B 取之于民,用之于民 C强迫性,整体返还性 D 财政性、调控性、监督性 2.下列各项中,按税负是否转嫁分类,所得税属于 A流转税B财产税C直接税D间接税 3.根据起征点的定义,若某纳税人课税对象数额是3000元,起征点是2000元,则该纳税 人的计税收入是 A 1000元 B 2000元C3000元D5000元 4. 当社会总需求大于社会总供给,出现总需求膨胀时,国家可采取的财政政策是 A 紧缩性财政政策 B 扩张性财政政策 C 适度宽松的财政政策D中性的财政政策 5. 下列选项中,提出四端九项税收原则的是 A 亚当.斯密 B 威廉.配弟 C 西斯蒙弟D瓦格纳 6. 在税收活动中,从征税到税负的最终落实要经过若干环节,其中关键环节是 A 税收冲击B税负转嫁C税负归宿D税收分配 7. 国际经济组织对各国税收水平的比较,主要使用的指标是 A 国内生产总值税收率 B 国民生产总值税收率 C企业税收负担率D个人税收负担率 8. 一般来讲,从商品供给弹性与税负转嫁的关系上来看,供给弹性越大,越容易发生税收负担 的 A 后转B消转C前转D税收资本化 9 . 1950年国家颁布的<<全国税收实施要则>>中除农业税外,全国征收的税种是 A 22个B18个 C 14个D10个 10. 某汽车制造厂将一辆自产小汽车作为奖品发给优秀职工,其成本8000元/辆,成本利润率 10%,适用消费税税率3%,则其应纳的增值税销项税额是 A. 1123.20元 B .1230.60元 C. 1402.06元 D. 1542.27元 11. 某外贸进出口公司2010年5月从德国进口小轿车10辆,每辆车的关税完税价格是人民币 18万元,已知小轿车进口关税税率为25%,消费税税率为5%,该外贸进出口公司进口轿车应纳消费税是 A. 9.47万元 B. 11.25万元 C 11.84万元 D. 16.52万元 12. 下列进行独立经济核算的企业或单位,不属于企业所得税纳税人的是 A . 私营公司 B. 合伙企业 C. 中外合资经营企业 D 股份制企业 13. 下列支出中,可以从应纳税所得额中据实扣除的是 A 诉讼费用B业务招待费 C 广告费 D 建造固定资产过程中向银行借款的 利息 14. 以下各项资源中,不属于资源税征收的范围的是 A 原油 B 专门开采的天然气 C 井矿盐 D 洗煤 15. 某房地产企业转让房地产取得收入400万元,其中扣除项目金额是100万元,其应纳 土地增值税是 A 100万元 B 130万元 C 145万元 D 165万元 16. 对于从事房地产开发的纳税人,可按其取得土地使用权所支付金额和房地产开发成本 加计扣除,加计扣除的比例是 A 10% B. 20% C 30% D 35%

2011年11月会计原理与实务试题及答案

2011年11月中英合作商务管理专业与金融管理专业 管理段证书课程考试 会计原理与实务试题 (课程代码:11744) 注意事项: 试题包括必答题与选答题两部分,必答题满分60分,选答题满分40分。一、二、三题为必答题。四、五、六题为选答题,任选两题回答,不得多选,多选者只按选答的前两题计分。考试时间为165分钟。 第一部分必答题 (必答题部分包括一、二、三题,共60分) 一、单选题。本题包括第1-10小题,每小题1分,共10分。在每小题给出的四个选项中,只有一个符合题目的要求。 1.下列错误的会计处理中,会影响试算平衡表平衡的是A A.把汽车的采购价格借记到修理费用中 B.把从客户那里收到的支票款贷记到采购分类账户中 C.把销售退回商品借记到客户销售分类账户中 D.把设备的折旧贷记到设备账户中 2.审计痕迹的定义是A A.为表明审计师审计而保留在文件中的标记 B.审计师做的记录 C.审计师对可能存在舞弊的审查 D.对某项交易从原始记录到财务报表的记录痕迹 3.对公司会计记录的正确性负有责任的是C A.股东B.审计师 C.管理层 D.公司秘书 4.不计提折旧或摊销的资产是B A.汽车 B.单独入账的土地 C.专利 D.厂房和机器设备 5.某企业决定把折旧方法从直线法改为余额递减法,它违背的会计原则是A A. 一贯性 B.历史成本 C.重要性 D.复式记账’ 6.可以用于计算企业利润的公式是D A.期初资本一提款十投入资本一期末资本` B.期末资本+提款一投入资本一期初资本 C.期初资本十提款一投入资本一期末资本 D.期末资本一提款+投入资本一期初资本 7.某公司的报表已将年前发出的货物作为销售收入,而这批货物的款项在年后才收到,与此相关的会计原则是B A.历史成本原则 B.权责发生制原则

人事部翻译资格证书(CATTI)2004 年 11 月英语二级《笔译实务》试题及参考答案

Section 1: English-Chinese Translation (英译汉)( 60 point ) This section consists of two parts: Part A "Compulsory Translation" and Part B "Optional Translations" which comprises "Topic 1" and "Topic 2". Translate the passage in Part A and your choice from passage in Part B into Chinese. Write "Compulsory Translation" above your translation of Part A and write "Topic 1" or "Topic 2" above your translation of the passage from Part B. The time for this section is 100 minutes. Part A Compulsory Translation (必译题)(30 points) Until recently, scientists knew little about life in the deep sea, nor had they reason to believe that it was being threatened. Now, with the benefit of technology that allows for deeper exploration, researchers have uncovered a remarkable array of species inhabiting the ocean floor at depths of more than 660 feet, or about 200 meters. At the same time, however, technology has also enabled fishermen to reach far deeper than ever before, into areas where bottom trawls can destroy in minutes what has taken nature hundreds and in some cases thousands of years to build. Many of the world's coral species, for example, are found at depths of more than 200 meters. It is also estimated that roughly half of the world's highest seamounts - areas that rise from the ocean floor and are particularly rich in marine life - are also found in the deep ocean. These deep sea ecosystems provide shelter, spawning and breeding areas for fish and other creatures, as well as protection from strong currents and predators. Moreover, they are believed to harbor some of the most extensive reservoirs of life on earth, with estimates ranging from 500,000 to 100 million species inhabiting these largely unexplored and highly fragile ecosystems. Yet just as we are beginning to recognize the tremendous diversity of life in these areas, along with the potential benefits newly found species may hold for human society in the form of potential food products and new medicines, they are at risk of being lost forever. With enhanced ability both to identify where these species-rich areas are located and to trawl in deeper water than before, commercial fishing vessels are now beginning to reach down with nets the size of football fields, catching everything in their path while simultaneously crushing fragile corals and breaking up the delicate structure of reefs and seamounts that provide critical habitat to the countless species of fish and other marine life that inhabit the deep ocean floor. Because deep sea bottom trawling is a recent phenomenon, the damage that has been done is still limited. If steps are taken quickly to prevent this kind of destructive activity from occurring on the high seas, the benefits both to the marine environment and to future generations are incalculable. And they far outweigh the short-term costs

2011年4月高等教育自学考试英语全国统一命题试题及答案加翻译

2011年4月高等教育自学考试全国统一命题考试 英语(二)试卷 Vocabulary and Structure(10points 1 point each) Ⅰ从下列各句四个选项中选出一个最佳答案,并在答题纸上将相应的字母涂黑。 1.You may use bike provided you give it back to me tomorrow morning. A. unless B. provided C. though D. because 2.He could not hold back his tears on hearing that he was not admitted to the university A. hold up B. hold back C. get over D. get through 3.Good parents have the ability to communicate messages of love, trust, and self-worth with their children A. on B. for C. with D. to 4.The teacher required that all errors should be eliminated eliminated before the students turn in their term paper. A. deported B. eliminated C. deprived D. implemented 5.A person is lucky if his career coinciders with his interest and hobby. A. concerns B. competes C. coinciders D. compares 6.Out sleep influences our mood. our mood, in return affects our performance. A. in return B. in vain C. in short D. in turn 7.It was considerate of you not to disturb us while we were sleeping. A. considerate B. considering C. considerable D. considered 8.I'd appreciate it very much if you could make some remarks on my recent article at the conference. A. requests B. references C. remarks D. restrictions 9.He is so absorbed in his own thoughts that he seems unaware of what's going on in the room. A. so B. each C. very D. much 10.No sooner had I reached had I reached home than Michael arrived with Jane in his car. A. did I reach B.I had reached C. had I reached D.I reached Ⅱ.Cloze Test(10point,1 point each) 下列短文中有十个空白,每个空白有四个选项,根据上下文要求选出最佳答案。并在答题纸上将相应的字母涂黑。 It is difficult to escape the influence of television. If you fit the statistical messages, by the age of 20 you will have been esposed.to at least 20,000 hours of television. You can add 10,000 hours for each decade you have lived after the age of 20 The only things Americans do more than them watch the television are work an sleep. Calculate for a moment what could be done with even a part of those hours Five thousand, I am sold, are what a typical college undergraduate spends working in a bachelor’s degree. In 10,000 hours you corded have learned several lauguages fluently, you could be reading Shakespeare in the original,and you could have walked around the world the world and written a book about these hours. The trouble with television is that it discourages concentrations. Almost anything interesting and rewarding in life requires some constructive effort .The dultest , the least gifted of us can

2011年11月餐饮企业品牌经营试题带答案

餐饮企业品牌经营 选择题(共60分) 一、单项选择题(每小题I分,共计60分) 下列各题A)、B)、C)、D)四个选项中,只有一个选项是正确的。请将正确选项 填涂在答题卡相应位置上。答在试卷上不得分。 l·餐饮企业品牌要先表达的属性必须有(美味、干净、卫生)P2 美味、干净、卫生——首先表达的必须属性 奢华的设施、完善的服务——高档餐厅品牌 快速、便捷、舒适——快餐企业品牌 2·品牌表达的属性"快速、便捷"可以转化的功能利益为(能够帮助我节约时间)P2 能够帮助我节约时间——快速、便捷 我可以在此拥有舒适的享受和愉快的经历——优质的服务和好的设施 在这家餐厅消费是高贵身份的象征,将令人羡慕——昂贵与高声誉 3·企业品牌的基础是(产品品牌)P4 4·某餐饮企业经营的市场区域仅集中在我国西南地区某省份,其品牌影响力仅局限于 该省,从市场区域来看,该品牌属于(地区品牌)P5 地区品牌:企业经营的市场区域在一个较小地域范围之内的品牌,其市场网络辐射范围不大,目前我国本土餐饮企业多属于地区品牌 国内品牌:企业集团经营业务的市场区域和市场网络辐射范围遍布全国 国际品牌:在国际市场上知名度较高、市场网络辐射全世界的品牌 5·某企业将集团所屈的娱乐业知名品牌X"移植"到了餐饮业,按品牌来源划分,餐 饮市场领域的X品牌属于(嫁接品牌)P7 按品牌来源划分:自有品牌、外来品牌、嫁接品牌 自有品牌:企业集团依靠自身资源经过长期的自主经营而创建的品牌 外来品牌:企业集团通过特许经营、兼并、收购或者其他形式而取得的品牌 嫁接品牌:企业将集团所属其他行业的知名品牌“移植”到餐饮企业 6·某餐饮品牌已取得了市场竞争优势,具有较高的知名度和美誉度,企业培育了一大批忠诚顾客,市场份额处于最高峰状态,按品牌的生命周期来讲,该品牌属于(成熟品牌)P7 按品牌生命周期划分:新品牌、上升品牌、成熟品牌、衰退品牌 新品牌:处于市场导入期的企业品牌,企业品牌刚刚进入市场,市场知名度较低,市场网络尚未形成,消费群体正在培育的过程之中 上升品牌:处于市场成长期的企业品牌,即企业品牌进入市场已经有一段时间,且市场知名度与市场美誉度处于逐渐上升状态,消费者对于该品牌已经逐步认可并予以接受,且企业市场份额也在不断上升 成熟品牌:处于市场成熟的企业品牌,该品牌已经取得了市场竞争优势,具有较高的市场知名度和美誉度,且企业已经培育了一大批忠诚顾客,市场份额处于最高峰的状态衰退品牌:处于市场衰退期的品牌 7·企业品牌是一个多因素构成的复杂系统,品牌的核心是(品牌文化)P8 品牌文化——品牌的核心 企业的产品与服务——品牌文化最核心的载体,品牌文化的精华所在 8·企业在传播品牌的过程中必须有品牌符号元素的参与,品牌符号元素的基础是(品牌名称)P9

2004年11月英语二级《笔译实务》试题及参考答案

人事部翻译资格证书(CATTI)2004 年11 月英语二级《笔译实务》 试题及参考答案 Section 1: English-Chinese T ranslation (英译汉)(60 point ) Part A Compulsory T ranslation (必译题)(30 points) Until recently, scientists knew little about life in the deep sea, nor had they reason to believe that it was being threatened. Now, with the benefit of technology that allows for deeper exploration, researchers have uncovered a remarkable array of species inhabiting the ocean floor at depths of more than 660 feet, or about 200 meters. At the same time, however, technology has also enabled fishermen to reach far deeper than ever before, into areas where bottom trawls can destroy in minutes what has taken nature hundreds and in some cases thousands of years to build. Many of the world's coral species, for example, are found at depths of more than 200 meters. It is also estimated that roughly half of the world's highest seamounts - areas that rise from the ocean floor and are particularly rich in marine life - are also found in the deep ocean. These deep sea ecosystems provide shelter, spawning and breeding areas for fish and other creatures, as well as protection from strong currents and predators. Moreover, they are believed to harbor some of the most extensive reservoirs of life on earth, with estimates ranging from 500,000 to 100 million species inhabiting these largely unexplored and highly fragile ecosystems. Y et just as we are beginning to recognize the tremendous diversity of life in these areas, along with the potential benefits newly found species may hold for human society in the form of potential food products and new medicines, they are at risk of being lost forever. With enhanced ability both to identify where these species-rich areas are located and to trawl in deeper water than before, commercial fishing vessels are now beginning to reach down with nets the size of football fields, catching everything in their path while simultaneously crushing fragile corals and breaking up the delicate structure of reefs and seamounts that provide critical habitat to the countless species of fish and other marine life that inhabit the deep ocean floor. Because deep sea bottom trawling is a recent phenomenon, the damage that has been done is still limited. If steps are taken quickly to prevent this kind of destructive activity from occurring on the high seas, the benefits both to the marine environment and to future generations are incalculable. And they far outweigh the short-term costs to the fishing industry. Part B Optional T ranslations (二选一题)(30 points ) Topic 1 (选题一) Most of the world's victims of AIDS live - and, at an alarming rate, die - in Africa. The number of people living with AIDS in Africa was estimated at 26.6 million in late 2003. New figures to be published by the United Nations Joint Program on AIDS (UNAIDS ),the special UN agency set up to deal with the pandemic, will probably confirm its continued spread in Africa, but they will also show whether the rate of spread is constant, increasing or falling. AIDS is most prevalent in Eastern and Southern Africa, with South Africa, Zimbabwe and Kenya having the greatest numbers of sufferers; other countries severely affected include Botswana and Zambia. AIDS was raging in Eastern Africa - where it was called "slim", after the appearance of victims wasting away - within a few years after its emergence was established in the eastern Congo basin; however, the conflicting theories about the origin of AIDS are highly controversial and politicized, and the controversy is far from being settled. Measures being taken all over Africa include, first of all, campaigns of public awareness and device, including advice to remain faithful to one sexual partner and to use condoms. The latter advice is widely ignored or resisted owing to natural and cultural aversion to condoms and to Christian and Muslim teaching, which places emphasis instead on self-restraint. An important part of anti- AIDS campaigns, whether organized by governments, nongovernmental organizations or both, is the extension of voluntary counseling and testing (VCT ).In addition, medical research has found a way to help sufferers, though not to cure them. Funds for anti- AIDS efforts are provided by the Global Fund to Fight AIDS, Tuberculosis and Malaria, a partnership between governments, civil society, the private sector and affected communities around the world; the fund was launched following a call by the UN

相关主题