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甘肃省天水一中2019-2020学年高一下学期第一学段考试英语试题

甘肃省天水一中2019-2020学年高一下学期第一学段考试英语试题
甘肃省天水一中2019-2020学年高一下学期第一学段考试英语试题

天水一中2019-2020学年度第二学期第一学段考试

英语试题

(满分:100分时间:90分钟)

本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分。

注意事项:

1.答第Ⅰ卷前,考生务必将自己的姓名、准考证号填写在答题卡上。

2.选出每小题答案后,用2B铅笔把答题卡上对应题目的答案标号框涂黑。如需改动,用橡皮擦干净后,再选涂其他答案标号框。不能答在本试卷上,否则无效。

第Ⅰ卷(选择题)

一.阅读理解(共两节,满分30分)

第一节(共10小题;每小题2分,满分20分)

阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。

A

The Best and Worst Things to Buy in March

Frozen food

Grocery store ads aren’t the only places to find deals on freezer-section treats.To take advantage of the deepest discounts,combine coupons(优惠券)from sponsoring brands,such as Dole,Green Giant and Tyson Foods,with grocery store sales.Plus,look for printable savings on https://www.sodocs.net/doc/6110892728.html, and https://www.sodocs.net/doc/6110892728.html,.Brands participating in National Frozen Food Month will offer more than180,000 coupons that make frozen food among the best things to buy in March.

Boxed chocolates

If you desire to give a gift to a friend in March,consider chocolate.Two minor holidays in March provide the perfect excuse:National Chocolate Caramel Day on March19and National Chocolate-Covered Raisin Day on March24.You can discover chocolate deals online as well as in stores. Head to sites like https://www.sodocs.net/doc/6110892728.html, to find discount coupons for boxed chocolate savings of10percent or more.

New cars

With the latest car models filling dealers’lots,you’ll have a hard time finding discounted models from the year before.Car dealerships are less motivated to offer steep discounts from March through May. Instead,plan to buy your car during the fall or winter.You should also research the auto you want at TrueCar before heading for the dealership.The site offers information on what people in your area paid for

vehicles equipped with the options you want.

Spring clothing

When warm weather makes you want to head outdoors,resist the urge to do so wearing the latest fashions.You won’t find March deals on swimsuits,Easter dresses or other spring items.To find discounts on clothes of this spring,put off until Memorial Day weekend.You can also look for online and in-store savings at Amazon,Macy’s,Saks Fifth Avenue and other retailers.

1.Which things offer discounts in March according to the text?

A.Frozen food and new cars.

B.Boxed chocolates and new cars.

C.Frozen food and boxed chocolates.

D.Boxed chocolates and spring clothing.

2.What does the author advise us to do?

A.Register on a site.

B.Attend a holiday event.

C.Consult people in our areas,

D.Look for discount information online.

3.Which of the following festivals is celebrated after March?

A.Memorial Day.

B.National Frozen Food Month.

C.National Chocolate Caramel Day.

D.National Chocolate-Covered Raisin Day.

B

My teacher held up a piece of broken glass and asked,“Who broke this window?”

Thirty boys tried to think about not only what they had done,but also what our teacher may have found out.She seldom became angry,but she was this time.

“Oh,”I thought.I was the one who broke the window.It was caused by a naughty throw of a baseball. If I admitted guilt,I would be in a lot of trouble.How would I be able to pay for a big window like that?I didn’t even get an allowance.“My father is going to have a fit.”I thought.I didn’t want to raise my hand, but some force much stronger than I was pulled it skyward.I told the truth.“I did it.”It was hard enough to say what I had.

My teacher took down a book from one of our library shelves and I had never known my teacher to strike a student,but I feared she was going to start with me.

“I know how you like bird,”she said as she stood looking down at my guilt-ridden face.“Here is that field guide about birds that you are constantly checking out.It is yours now.It’s time we got a new one for the school anyway.You will not be punished as long as you remember that I am not rewarding you for your misdeed,I am rewarding you for your truthfulness.”

I couldn’t believe it!I wasn’t being punished and I was getting my own bird field guide---the very one that I had been saving up money to buy.

All that remains of that day is my memory and the lesson my teacher taught me.That lesson stays with me every day,and it will echo forever.

4.From the story,we can learn that the boy_____.

A.didn’t break the window on purpose B.lacked the strength to admit his guilt

C.tried to think about what he had done D.didn’t know what the teacher would find out

5.If the boy admitted guilt,he thought he would NOT______.

A.be punished by the teacher B.make his father angry

C.pay for the broken window D.get a bird field guide

6.Which of the following best describes the changes in the boy’s feelings?

A.Afraid--Surprised--Thankful B.Frightened--Amazed--Proud

C.Regretful--Guilty--Excited D.Nervous--Afraid--Satisfied

7.What is the lesson the boy’s teacher taught him?

A.Every coin has two sides B.Honesty is always valued

C.Bad luck never comes alone D.It’s never too late to be careful

C

What Does the Length of Your Fingers Say About You?

Are you the peace-loving type or the ambitious go-getter?Your finger length might be a clue.Take a look at your fingers.Would you believe me if I told you that the length of your fingers in relation to one another can predict your personality?I know that it sounds like one of those silly tests you see on Facebook,but I have to admit that it is exactly correct for me.Here's how it works.

Look at your three middle fingers of your hand.Is your index finger longer than your ring finger?Is your ring finger longer than your index finger?Or are the two of the same length?Find the situation that best matches your hand and see if what follows is an accurate description of your personality.

●Longer ring finger:The Sweet Talker

If your ring finger is longer than your index finger,research shows that you're likely a charming type, and you can probably talk yourself out of any situation.Others often find this personality type irresistible

and will go to great lengths to help you.You're more likely to take risks,and you're good at problem-solving.People in this category make great engineers,soldiers and crossword-puzzle solvers.

●Longer index finger:The(Over)Confident One

If your index finger is longer than your ring finger,chances are you are full of confidence—possibly even to the point of being over-confident and proud.You are not necessarily introverted(内向的),but you do enjoy time to yourself,especially when you're trying to complete a project.You are a dream pursuer who can make things happen,but you may be shy when it comes to taking the first step in a relationship. You are also probably happy with what you have,but you're always wishing for more.

●Index and ring finger are of the same length:The Peacemaker

If your index finger and ring finger are roughly of the same length,you are likely to avoid conflict at all costs and seek to keep the peace in your relationships.You are well-organized,faithful and sympathetic. But deep down under all of that caring and peace-loving,you also have a hot-tempered side that can appear unexpectedly when you're pushed too far.You will try your hardest to avoid a fight.

How well do these descriptions match your personality?I was surprised at the accuracy in my case, but I'm not going to tell you which one it was!

8.Which of the following hand could be an engineer's hand?

A.B.C.D.

9.What does the passage intend to tell us?

A.How accurate the description of the test is.

B.The length of fingers can reveal personality.

C.Why your fingers are not of the same length.

D.Personality is determined by your finger length.

10.Where can you probably find the text?

A.An official report.

B.A biology textbook.

C.A popular magazine.

D.A public advertisement.

第二节(共5小题;每小题2分,满分10分)

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项是多余选项。

Healthy eating is not just about strict nutrition philosophies,staying thin,or avoiding the foods you love.11.If you form the following simple habits,you’ll soon notice the difference.

It’s not just what you eat,but how you eat.12.Healthy eating habits can be learned and it is important to slow down and think about food as nourishment rather than just something to swallow on the way to school or work.

13.Chew your food slowly,tasting every bite.We tend to rush through our meals,forgetting to actually taste the flavours of our food.Reconnect with the joy of eating.

Eat breakfast,and eat smaller meals throughout the day.A healthy breakfast can speed up your digestion.Eating small,healthy meals throughout the day keeps your energy up.

Avoid eating at night.Try to eat dinner earlier in the day and then fast for14-16hours until breakfast the next morning.Early studies suggest that this simple dietary adjustment–eating only when you’re most active and giving your digestive system a long break every day–may help to control your weight.14.

Fill up on colorful fruit and vegetables.Fruit and vegetables are the foundation of a healthy diet.15. Colorful,deeply colored fruit and vegetables contain higher amounts of vitamins and minerals,and different colors provide different benefits.

A.Healthy eating can sometimes be expensive,with food prices on the rise.

B.Take time to chew your food and enjoy mealtimes.

C.Rather,it’s about feeling great,having more energy,and keeping yourself as healthy as possible.

D.After dinner snacks tend to be high in fat,so they’re best avoided anyway.

E.However,some vegetables can be harmful when eaten in large quantities.

F.Healthy eating is about more than just the food on your plate.

G.Try to eat a variety of fruit and vegetables every day and with every meal–the brighter,the better.二.完形填空(共20小题;每小题1分,满分20分)

阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

A little boy invited his mother to attend his school's first teacher-parent meeting.To the little boy's ___16___,she said she would go.This__17__be the first time that his classmates and teacher__18__his mother and he felt__19__of her appearance.Although she was a beautiful woman,there was a severe scar (疤痕)that__20__nearly the entire right side of her face.The boy never wanted to___21__why or how she got the scar.

At the meeting,the people were___22___by the kindness and natural beauty of his mother in spite of (不管)the___23__,but the little boy was still embarrassed(尴尬)and___24__himself from everyone.He did,however,get within___25__of a talk between his mother and his teacher.The teacher asked___26_,"How did you get the scar on your face?"

The mother replied,"___27__my son was a baby,he was in a room that caught fire.Everyone was___28__afraid to go in because the fire was___29__,so I went in.As I was running toward his bed,I saw a long piece of wood coming down and I placed myself over him trying to protect him.I was knocked senseless but luckily,a fireman came in and saved___30__of us."She___31__the burned side of her face."This scar will be__32__,but to this day,I have never___33__what I did."

At this point,the little boy came out running toward his mother with__34__in his eyes.He held her in his arms and felt a great sense of the sacrifice(牺牲)that his mother had made for him.He held her hand ___35__for the rest of the day.

16.A.enjoyment B.excitement C.surprise D.disappointment

17.A.Would B.could C.should D.must

18.A.noticed B.greeted C.accepted D.met

19.A.proud B.ashamed C.happy D.tired

20.A.included B.passed C.covered D.shaded

21.A.talk about B.think about https://www.sodocs.net/doc/6110892728.html,e about D.hear about

22.A.impressed B.surprised C.excited https://www.sodocs.net/doc/6110892728.html,forted

23.A.humor B.face C.body D.scar

24.A.hid B.protected C.kept D.stopped

25.A.understanding B.reminding C.hearing D.learning

26.A.carefully B.seriously C.nervously D.anxiously

27.A.If B.When C.Since D.Because

28.A.so B.much C.quite D.too

29.A.out of control B.under control C.in control D.over control

30.A.either B.neither C.both D.all

31.A.pointed B.touched C.hit D.showed

32.A.long https://www.sodocs.net/doc/6110892728.html,sting C.beautiful D.ugly

33.A.forgot B.recognized C.considered D.regretted

34.A.anger B.tears C.smile D.failure

35.A.actually B.slowly C.tightly D.suddenly

第Ⅱ卷

注意:将答案写在答题卡上,写在本试卷上无效。

三.根据课文内容填写相应的单词或短语(共10小题;每小题1分,满分10分)

a.At that time people would___36____if food was difficult to find,especially during the cold winter months.Today’s festivals have many___37____some are religious,some seasonal,and some for special

people or events.

b.His cola was___38____and cold,and his ice cream was made of milk,cream and delicious fruit."Nothing could be____39___"he thought.

c.----And it was the ship that brought you to Englan

d.

----Yes.The fact is___40____I earned my passage by working as an unpaid hand,which___41_____ my appearance.I went to the American embassy to seek help,but…

d.Water had also appeared on other planets like Mars but,___42____the earth,it had disappeared later.It was not immediately obvious that water was to be____43___to the development of lif

e.

e.Going eastward,you will pass mountains and thousands of lakes and forests,____44______wide rivers and large cities.Some people have the idea___45___you can cross Canada in less than five days,but they forget the fact that Canada is5500kilometers from coast to coast.

四.语法填空(共10小题;每小题1.5分,满分15分)

阅读下面材料,在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式。

It has been widely accepted that dinosaurs died out because of___46___unexpected incident.But wildlife today___47___(disappear)or is in danger just because humans do harm to it.For example,tigers are hunted for fur to make carpets;grassland___48___(destroy)without mercy(怜悯)so that a lot of animals can only live in secure reserves.

Last year,scientists saw some monkeys making use of a certain kind of insects to protect themselves___49___fierce mosquitoes.After a careful study,scientists found that the insects contain a___50___(power)drug.Then local farmers were employed___51___(catch)the insects to make medicine.The result was___52___the insects disappeared from the whole area.When the farmers were told that it was a loss to humans they burst into laughter and responded,“The real loss is___53___(we) decreasing income.”

We should appreciate the natural balance and pay more attention to the___54___(important)of wildlife protection.Not until we succeed in___55___(let)wildlife live in peace,can we smile in relief.五.短文改错(共10小题;每小题1分,满分10分)

假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。文中共有10处语言错误,每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词。

删除:把多余的词用斜线(\)划掉。

修改:在错的词下划一横线,并在该词下面写出修改后的词。

注意:1.每处错误及其修改均仅限一词;

2.只允许修改10处,多者(从第11处起)不计分。

When I was a child,I hoped to live in the city.I think I would be happy there.Now I am living in a city,but I miss my home in countryside.There the air is clean or the mountains are green.Unfortunately,on the development of industrialization,the environment has been polluted.Lots of studies have been shown that global warming has already become a very seriously problem.The airs we breathe in is getting dirtier and dirtier.Much rare animals are dying out.We must found ways to protect your environment.If we fail to do so,we'll live to regret it.

六.书面表达(满分15分)

假设你是中国某高中学生李华。请给你的朋友Mark介绍一个中国节日,包含以下内容:

1.节日名字,时间;

2.节日的习俗;

3.节日的意义。

注意:1.词数100左右;

2.可以适当增加细节,以使行文连贯.

Dear Mark,

_____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________

Yours

Li Hua

甘谷县介绍

甘谷县介绍 甘谷县隶属于甘肃省天水市,位于甘肃省东南部,天水市西北部,渭河上游。东邻秦安县、麦积区,南接秦州区、礼县,西与武山县接壤,北与通渭县相连。总面积1572.6平方千米。截止2012年,甘谷县总人口63.02万人。 2013年,甘谷县实现生产总值49.82亿元,同比2012年增长14%;固定资产投资81.65亿元,同比2012年增长37%;规模以上工业增加值5.84亿元,同比2012年增长20.6%;社会消费品零售总额23.94亿元,同比2012年增长20.8%。 甘谷县的名优特产有麻鞋,脊兽,油煎洋芋,甘谷浆水面,酥圈圈等,甘谷县的著名人物有潘钦岳,石作蜀,巩建丰,姜维,尹夫人等。 甘谷县先后荣获“全国辣椒之乡”、“中国花椒之乡”等荣誉称号。 截止2016年,甘谷县辖10镇5乡:大像山镇、新兴镇、磐安镇、六峰镇、安远镇、大石镇、礼辛镇、大庄镇、武家河镇、金山镇、西坪乡、八里湾乡、白家湾乡、谢家湾乡、古坡乡。 根据《甘肃省民政厅关于天水市秦州区中梁乡等9个乡撤乡改镇的批复》,天水市9个乡撤乡改镇。甘谷县撤销金山乡,设立金山镇。 2015年10月9日,根据《甘肃省民政厅关于天水市秦州区齐寿乡等22个乡撤乡改镇的批复》(甘民复〔2015〕113号),甘谷县

大石乡、礼辛乡、大庄乡、武家河乡改为大石镇、礼辛镇、大庄镇、武家河镇。 位置境域 甘谷县位于甘肃省东南部,天水市西北部,渭河上游。地处东经104°58′~105°31′,北纬34°31′~35°03′之间,东邻秦安县、麦积区,南接秦州区、礼县,西与武山县接壤,北与通渭县相连。全县南北长60千米,东西宽49千米,总面积1572.6平方千米。 地貌 甘谷县属黄土高原地区,南部山区为秦岭山脉西延,北部山区为六盘山余脉,境内梁、峁、沟、壑起伏纵横,湾、坪、川、滩交错。渭河两岸为冲积小平原,地势平坦,土层深厚。全县平均海拔1972米,最低海拔1228米(六峰镇觉皇寺村东),最高海拔2716米(古坡乡大条梁),相对高差1488米。 气候 甘谷县地处大陆腹地,属东亚季风区,为大陆性季风气候。其特征为四季分明,冬干夏湿,光照充足,雨量偏少,夏热无酷暑,冬冷无严寒。年平均气温11.5℃,其中最高(7月)月均气温25.4℃,最低(1月)月均气温-1.1℃。正常年份年降水量437.3毫米左右,因受季风影响,降水量分布极不均匀,冬季占全年的3%,春季占全年的21%,夏季占全年的51%,秋季占全年的25%。全年日照2350小时左右,日照率约50%,无霜期190天左右。

2021届甘肃省天水市第一中学高三上学期第一次考试数学(理)试题

2020届甘肃省天水市第一中学高三上学期第一次考试数学 (理)试题 学校:___________姓名:___________班级:___________考号:___________ 一、单选题 1.已知全集{}1,0,1,2,3U =-,集合{}0,1,2A =,{}1,0,1B =-,则 ( )U A B ?=( ) A .{}1- B .{}0,1 C .{}1,2,3- D .{}1,0,1,3- 2.已知平面向量(1,)a m =,(3,1)b =-,且() //a b b +,则实数m 的值为( ) A . 13 B .13- C .23 D .23 - 3.“2211og a og b <”是“11 a b <”的( ) A .充分不必要条件 B .必要不充分条件 C .充要条件 D .既不充分也不必要条件 4.在等差数列{}n a 中,n S 为其前n 项和,若34825a a a ++=,则9S =( ) A .60 B .75 C .90 D .105 5.已知函数y =f (x )+x 是偶函数,且f (2)=1,则f (-2)=( ) A .2 B .3 C .4 D .5 6.如右图所示的图象对应的函数解析式可能是( ) A .( ) 2 2x y x x e -= B .2sin 41 x x y x ?=+ C .ln x y x = D .221x y x =-- 7.已知:p m R ?∈,210x mx --=有解,0:q x N ?∈,02 0210x x --≤则下列选项 中是假命题的为( ) A .p q ∧ B .()p q ∧? C .p q ∨ D .()p q ∨?

高一下学期期末考试英语试题及答案

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“积分入户”指外来人口取得政策规定分值后即可申请落户,是迁入地促进外来人口融入的有效方式,东莞市于 2010 年推出“积分入户”政策。下图为 2010~2015 年东莞市积分入户和外来人口的数量变化图。据此完成 5-7 题。 5.该地2013 年后外来人口数量变化的主要原因是() A.产业转型升级B.环境质量下降C.交通拥堵加重D.生活成本上升6.图示时段内,该地“积分入户”人数波动的主要原因是() A.外来人口增加B.经济增速变化C.入户政策调整D.居住条件变化7.“积分入户”政策给当地带来的主要影响最可能是() A.拓展城市空间范围B.加速人口老龄化 C.加大人口管理难度D.提升劳动力素质 企业养老保险是国家规定的企业必须为本企业职工缴纳的一种保险。企业养老保险抚养比是参保职工人数与领取养老保险待遇人数的比值。下表为我国部分省级行政区企业养老保险抚养比统计情况。据此完成 8-10 题。 8.表中甲省级行政区最有可能是() A.山东B.北京C.吉林D.福建 9.导致表中省级行政区企业养老保险抚养比存在明显差异的原因是() A.产业结构的空间差异B.就业机会的空间差异 C.资源分布的空间差异D.男女性别的空间差异 10.许多省 2016 年相对 2015 年企业养老保险抚养比呈下降的趋势,其原因最可能是() A.全面推行二孩政策B.国家延迟退休政策 C.产业转移的影响D.人口老龄化加剧

解析甘肃省天水市甘谷一中2020┄2021学年高一上学期第一次质检物理试卷

甘肃省天水市甘谷一中2020┄2021学年高一上学期第一次质检物理试卷 一、选择题(本题共14小题,每小题4分,共56分.其中1---8题只有一个选项符合题目要求;9---14有多个选项符合题目要求,全部选对的得4分,选对但不全的得2分,有选错的得0分.) 1.(4分)以下情景中,加着重号的人或物体可看成质点的是() A.研究一列火车通过长江大桥所需的时间 B.?乒乓球比赛中,运动员发出的旋转球 C.?研究航天员翟志刚在太空出舱挥动国旗的动作 ?D.?用GPS确定打击海盗的“武汉”舰在大海中的位置 2.(4分)关于时刻和时间,下列说法中正确的是() ?A.?1秒很短,所以1秒表示时刻 ?B.第3秒是指一个时刻 C. 12秒80是男子110米栏最新世界纪录,这里的12秒80是指时间 D.?物体在5 s内指的是物体在4 s末到5s末这1 s的时间 3.(4分)甲、乙两位同学进行百米赛跑,假如把他们的运动近似当作匀速直线运动来处理,他们同时从起跑线起跑,经过一段时间后他们的位置如图所示,在图中分别作出在这段时间内两人运动的位移s、速度v与时间t的关系图象,正确的是()

A.? ?C.? ?D.? ?B.? 4.(4分)某人向正东方向运动了s米,然后再沿东偏北60°方向又运动了s米,则该人运动的位移大小为() ?A.?s米B.s米?C.?s米?D.2?s米 5.(4分)下面的几个速度中表示平均速度的是() ?A.?子弹射出枪口的速度是800m/s,以790m/s的速度击中目标 B. 汽车从甲站行驶到乙站的速度是40km/h ?C. 汽车通过站牌时的速度是72km/h ?D.?小球第3s末的速度是6m/s 6.(4分)一枚火箭由地面竖直向上发射,其速度﹣时间图象如图所示,由图象可知() ?A.?0~ta段火箭的加速度小于t a~t b段火箭的加速度 B.?在0~t b段火箭是上升的,在t b~tc段火箭是下落的 ?C. tb时刻火箭离地面最远 ?D.t c时刻火箭回到地面

甘肃省天水市第一中学2020-2021学年高一下学期第二阶段地理(理)试题

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A.迁出人口数量贵州多于四川,迁入人口数量上海多于广东 B.人口自然增长率贵州低于天津,高于安徽 C.人口增长率浙江高于江苏 D.安徽迁出人口数量最多 4.2005~2010年,省级行政区域间的人口迁移 A.延缓了皖、赣、黔的老龄化进程B.延缓了沪、京、津的老龄化进程 C.降低了皖、赣、黔的城市化水平D.降低了沪、京、津的城市化水平 下图为“甲、乙、丙三个服务中心的服务范围示意图”,读下图,完成下面小题。 5.下列商业部门与图中服务中心甲、乙、丙的服务职能依次对应正确的是()A.汽车销售、珠宝商行、星级宾馆B.早点铺、星级宾馆、家用电器 C.星级宾馆、家用电器、早点铺D.高档电器、早点铺、星级宾馆 6.下列说法中,错误的是() A.城市的服务范围没有明确的界线B.城市的服务范围是固定的 C.城市的服务范围是不固定的D.任何城市都有其一定的服务范围 下图为“我国某中等城市常住人口数量与距市中心距离的关系图”。读图回答下列小题。 7.①区域常住人口数量较少的主要原因是该区域( ) A.环境极差B.地价太高 C.交通不便D.设施不全 8.③区域可能属于( ) A.工业区B.住宅区C.商业区D.行政区 读“某特大城市及其周边地区各类土地的付租能力与该地区地形剖面示意图”,图中分布在b1、b2两地的功能区相同,但级别不同。

人教版高一英语下学期试卷及答案

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2018年甘肃省天水市甘谷一中高一(上)期末数学试卷

2018年甘肃省天水市甘谷一中高一(上)期末数学试卷 一.选择题(本大题共12小题,每小题5分,共60分.在每小题给出的四个选项中,只有一项是符合题目要求的) 1.已知集合A={1,2},B={2,3},则A∪B=() A.{2} B.{1,2,3} C.{1,3} D.{2,3} 2.一个几何体的三视图如图所示,则该几何体可以是() A.棱柱 B.棱台 C.圆柱 D.圆台 3.若直线ax+2y+a﹣1=0与直线2x+3y﹣4=0垂直,则a的值为() A.3 B.﹣3 C.D. 4.圆柱底面圆的半径和圆柱的高都为2,则圆柱侧面展开图的面积为() A.4πB.C.8πD. 5.用斜二测画法画出长为6,宽为4的矩形水平放置的直观图,则该直观图面积为()A.12 B.24 C.D. 6.圆O1:x2+y2﹣2x=0和圆O2:x2+y2﹣6y=0的位置关系() A.相交 B.相切 C.外离 D.内含 7.圆x2+y2﹣4x=0在点P(1,)处的切线方程为() A.x+y﹣2=0 B.x+y﹣4=0 C.x﹣y+4=0 D.x﹣y+2=0 8.函数的定义域是:() A.上的最大值与最小值之差为,则a= . 16.如图是正方体的平面展开图,则在这个正方体中: ①BM与ED平行;

②CN与BE是异面直线; ③CN与BM成60°角; ④DM与BN是异面直线. 以上四个命题中,正确命题的序号是. 三.解答题(本大题共6小题,共70分,解答应写出文字说明、证明过程或演算步骤)17.集合A={x|2x﹣1≥1},B={x|log2(3﹣x)<2},求A∩B,A∪B,(?R A)∪(?R B).18.已知平面内两点A(8,﹣6),B(2,2). (Ⅰ)求AB的中垂线方程; (Ⅱ)求过P(2,﹣3)点且与直线AB平行的直线l的方程; (Ⅲ)一束光线从B点射向(Ⅱ)中的直线l,若反射光线过点A,求反射光线所在的直线方程. 19.如图,已知AB是圆的直径,PA垂直圆所在的平面,C是圆上任一点,D是线段PA的中点,E是线段AC上的一点. 求证:(Ⅰ)若E为线段AC中点,则DE∥平面PBC; (Ⅱ)无论E在AC何处,都有BC⊥DE. 20.已知关于x,y的方程C:x2+y2﹣2x﹣4y+m=0,m∈R. (Ⅰ)若方程C表示圆,求m的取值范围; (Ⅱ)若圆C与直线l:4x﹣3y+7=0相交于M,N两点,且|MN|=,求m的值. 21.如图,长方体ABCD﹣A1B1C1D1中,AB=2,BC=,CC1=1,M为线段AB的中点.

甘肃省天水市第一中学2019-2020学年高一下学期第一学段考试化学试题(理)

甘肃省天水市第一中学2019-2020学年高一下学期第一学段考试化学试题(理) 学校_________ 班级__________ 姓名__________ 学号__________ 一、单选题 1. 下列化学用语不正确的是 A.氮分子的电子式 B.CO 2 的电子式: C.NH 4 Cl的电子式: D.用电子式表示HCl的形成过程 2. 下列各组物质中化学键的类型完全相同的是( ) A.NaCl MgCl 2Na 2 O B.H 2O Na 2 O CO 2 C.CaCl 2NaOH H 2 SO 4 D.NH 4Cl H 2 O CO 2 3. 某兴趣小组设计的简易原电池装置如图所示。该电池工作时,下列说法正确的是 A.锌片作正极,发生还原反应 B.电子由碳棒经导线流向锌片 C.每有1molZn溶解,即有2N A 的电子流经电解液 D.碳棒上有气泡产生 4. 已知R2-离子的核内有n个中子,R的质量数为M,则mgR2-离子里含有电子的物质的量为 A.B.C.D.

5. 反应A(g)+3B(g)?2C(g)+2D(g),在四种不同情况下用不同物质表示的反应速率分别如下,其中反应速率最小的是 A.v(A)=0.04mol/(L·s)B.v(B)=0.06mol/(L·s) C.v(C)=0.05mol/(L·s)D.v(D)=0.02mol/(L·s) 6. 下列有关化学反应速率的说法中,正确的是 A.实验室制取氢气时,将稀硫酸换为98%的浓硫酸,可加快反应速率 B.在金属钠与足量水反应中,增加水的量能加快反应速率 C.稀硫酸与氢氧化钠溶液反应时,增大压强可以加快反应速率 D.无论是吸热还是放热反应,加热都能加快化学反应速率 7. 已知短周期元素的离子 a A3+、 b B+、 c C3-、 d D-都具有相同的电子层结构,则下 列叙述正确的是( ) A.原子半径A>B>D>C B.离子半径 C3->D->B+>A3+ C.原子序数d>c>b>a D.A与B、C、D的最高价氧化物的水化物都能反应 8. 下列说法中,正确的个数为 ①共价化合物中不可能有离子键 ②由非金属元素组成的化合物一定是共价化合物 ③氯化钠的熔化与冰的融化所克服的粒子间相互作用相同 ④液态水气化是一个吸热反应 ⑤生石灰溶于水是一个放热的物理过程 ⑥熔融状态能导电的化合物是离子化合物 ⑦已知锑元素的相对原子质量为127.760,锑有两种以上天然同位素,则127.760是按照锑的各种天然同位素的质量数与这些同位素所占的原子百分比计算出来的平均值 A.1个B.2个C.3个D.4个 9. 短周期元素X和Y,可组成化合物X 2Y 3 。当Y的原子序数为a时,X的原子 序数可能是①a-3②a+5③a-8④a-1,其中正确的组合是 A.①③④B.②③④C.①②③D.①②④ 10. 下列说法正确的是() A.原子序数之差为2的两种元素不可能位于同一主族 B.位于同一主族相邻的甲、乙两种元素,甲的原子序数为x,则乙的原子序数可能是x+4 C.D ̄核外有36个电子,则D元素位于第四周期第ⅦA族 D.位于同一周期的甲、乙两种元素,甲位于第ⅠA族,原子序数为x;乙位于第ⅢA族,则乙原子序数可能为x+19

【精准解析】甘肃省天水市第一中学2019-2020学年高一下学期第一学段考试历史(理)试题

天水一中高一级2019—2020学年度第二学期第一学段考试 历史试题(理科) (满分:100分时间:90分钟) 一、单选题 1.古代南京云锦,是专供宫廷御用或赏赐功臣之物。云锦配色多达十八种,大量使用金线,形成金碧辉煌的独特风格。织造工艺高超,用“七个范子,八个障子”就能把杂乱无章的线理得井井有条,成语“七上八下”就出自云锦。南京云锦最有可能生产于() A.民营手工业 B.家庭手工业 C.工场手工业 D.官营手工业 【答案】D 【解析】 【详解】材料中“专供宫廷御用或赏赐功臣之物”体现了南京云锦的生产目的是为官用,且“其织造工艺高超”,从而可以推断生产于官营手工业,故答案为D;ABC三项所生产的产品一般不作为官用,且产品没有官营手工业精美,故排除ABC三项。 2.清朝前期“苏城机户类多雇人工织。机户出资经营,机匠计工受值……”其中的“机户”和“机匠”之间的关系是 A.封建的人身依附关系 B.资本主义性质的雇佣关系 C.地主与农民的关系 D.奴隶制生产关系 【答案】B 【解析】 “机户”和“机匠”属于雇佣和被雇佣的关系,属于资本主义性质生产关系,B正确;A、C 属于地主和农民的关系;D属于奴隶社会生产关系。 3.“嫂嫂织布,哥哥卖布……土布贵,洋布便宜;土布没人要,饿倒了哥哥嫂嫂”,近代中国的这首民谣反映了当时的一种社会经济现象。这一社会经济现象的实质是 A.自然经济开始解体 B.国内贸易中心的转移 C.传统纺织业的发展 D.民族工业的产生 【答案】A 【解析】 【详解】鸦片战争后,资本主义国家将大量商品输入中国,输入的洋货多为机器制造,物美

价廉,竞争力强,而中国的土货滞销,土布、土纱等的销售陷入困境。材料反映了中国的手工业棉纺织业的衰败,标志着自然经济开始解体,A正确;B选项与材料内容无关,排除;C 选项说法与材料相悖,排除;材料中没有涉及到民族工业,排除D。 4.清朝雍正皇帝在上谕中说:“朕观四民之业,士之外,农为最贵,凡士工商贾,皆赖食于农,以故农为天下之本务,而工贾皆其末也。”根据这种思想所制定的政策应该是 A.海禁 B.重农抑商 C.闭关锁国 D.抑制兼并 【答案】B 【解析】 材料“农为最贵,凡士工商贾,皆赖食于农,以故农为天下之本务,而工贾皆其末也”反映了重农抑商的思想,故B正确;材料未涉及海禁政策,故A错误;材料也没有反映闭关锁国,故C错误;材料无法体现抑制土地兼并的主张,故D错误。故选B。 点睛:本题解题的关键是正确理解材料关键信息“农为最贵,凡士工商贾,皆赖食于农,以故农为天下之本务”,学生应该结合所学知识从重农抑商的角度入手,即可排除不符合材料的选项。 5.下列是从古诗“二月卖新丝,五月粜新谷。医得眼前疮,剜却心头肉”中读出的信息,其中错误的是 A.农民生活艰辛 B.土地兼并严重 C.农副产品进入流通领域 D.小农业和小手工业紧密结合 【答案】B 【解析】 试题分析:本题以古诗为资料考查学生正确提取有效信息的能力。诗句“医得眼前疮,剜却心头肉”体现了农民生活的艰难,故A项正确。C项可以从“卖新丝”、“粜新谷”的词句中获取,而“丝”与“谷”又恰好反映小农经济耕织结合的特点,因此D项也是正确的。B项土地兼并现象不能从诗句中得到验证。 考点:中国古代的经济。 点评:从考查角度和能力看,中国古代经济特别注重对农业生产工具、“男耕女织”小农经济和古代经济政策的考查。主要运用新材料或图片,设置新情境,考查学生分析、理解认识问题的能力。

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