大学英语2阶段作业

一、完形填空（共1道小题，共50.0分）

1.And we can’t even use all of that, because some of it is

in the form of icebergs and glaciers. Even worse, some of it has been polluted.

However, as things stand today, this small amount of fresh water, _5__ is constantly being replaced by rainfall, is still

enough for us. But our need__6_ water is increasing rapidly―almost day by day. We all have to learn how to stop wasting our_7__water.

One of the first steps we should_8__ is to develop ways of reusing it.

Experiments have already been done in this__9_ , but only on a small scale. The systems that have been worked out

resemble__10_ used in spacecraft.

a.

A.are

B.was

C.is

D.were

学生答案: C;

标准答

案:

C;

b.

A.amount

B.number

C.volume

D.size

学生答案: A;

标准答

案:

A;

c.

A.or

B.but

C.and

D.also

学生答案: A;

标准答

案:

A;

d.

A.origins

B.originals

C.sources

D.resources

学生答案: C;

标准答

案:

C;

e.

A.that

B.this

C.it

D.which

学生答案: D;

标准答

案:

D;

f.

A.of

B.about

C.for

D.with

学生答案: C;

标准答

案:

C;

g.

A.precious

B.previous

C.precise

D.prior

学生答案: A;

标准答

案:

A;

h.

A.make

B.take

C.grant

D.offer

学生答案: B;

标准答

案:

B;

i.

A.case

B.field

C.way

D.region

学生答案: B;

标准答

案:

B;

j.

A.what

B.ones

C.these

D.those

学生答案: D;

标准答

案:

D;

2.

3.试题分值：50.0

4.得分：[5, 5, 5, 5, 5, 5, 5, 5, 5, 5]

5.提示：[1]C.考查主谓一致。首先我们根据文章可以看出时态应该是一般

现在时，所以B和D全部排除。解决此题还要用到一个知识点：当主语是分数或百分数时,谓语动词的单复数由of 后面的名词决定。再看这句话的主语是“75% of the earth’s surface”（地球表面的75%），这个主语中的“surface”是不可数名词，所以后面的谓语用单数形式“is”。

[2]A.考查名词辨析。本句大意是“这么多水量中有97%都是海水，或称

作咸水”。解题关键是“水量”用哪个词来表达。因为“水的数量”是不可数的，所以选择一个不可数名词才可以，即amount。number意思是“数目”，但是它表示的“数目”是可数的。volume的意思是“体积，容量”，意思不适合这里。size的意思是“尺寸”，意思也不适合。

[3]A.考查连词辨析。根据本句的意思（上题已经提到），我们选择or，

其意思是“或者说”，用来引导同义词作补充说明。

[4]C.考查名词辨析。source的意思是“来源”，resource的意思是“资

源”，origin的意思是“起源”。original一般作形容词用，意思是“起初的，原始的”，作名词用时意思是“原件，原稿”。本句表示“别的水源”，当然应选择source来表达。

[5]D.考查定语从句。“fresh water”后面的那个句子是一个定语从句。

又因为这个定语从句是非限定性的（判断的标志是fresh water后面的那个逗号），所以只能选择which来做定语从句的引导词。

[6]C.考查固定搭配。“need for”的意思是“对……的需求”。本句大

意是“我们对水的需求在不断增加――几乎与日俱增”。

[7]A.考查形容词辨析。precious的意思是“珍贵的”，previous意思是

“之前的”，precise的意思是“精确的”，prior的意思是“更重要的，较早的”。本题表示水很珍贵，自然应该选择A。

[8]B.考查固定词组。“take steps”的意思是“采取步骤,采取措施”。

本句大意是“我们首先要采取的措施就是要找到再利用水源的方法”。

[9]B.考查名词辨析。field这里的意思是“方面，领域”。本句大意是

“在这个方面已经做了很多试验，只不过试验的范围都比较小”。case

的意思是“案例，个案，情况”，way的意思是“道路，方法”，region 的意思是“地区”。

[10]D.考查代词用法。本句大意是“目前人们采取的系统和太空飞船上采

取的系统相似”。后面选择的代词要能够代替前面的那个“the

systems”。ones和those都可以有这种替代的用法，区别如下：ones

代表前面无定冠词的可数名词复数（前面总带有形容词作定语，不能单独

使用），those代表前面有定冠词的可数名词复数。举两个例子：New pens always write better than old ones. （ones= pens）新钢笔总是比旧钢笔写字好。

He told me the stories of himself and those of his sister （those= the stories）

他告诉我他自己的故事还有他妹妹的故事。

本题中用those代替“the systems”。

6.

二、单项选择题（共10道小题，共50.0分）

1.I steer my ship with hope，________ fear ________.

A.leaving…away

B.leaving…behind

C.leave…behind

D.leave…away

知识

点:

第一部分

学生

答

案:

[B;] 标准答案: B;

得

分:

[5] 试题分值: 5.0

提示: 该题选B，题目大意是“我满怀希望地驾驶着自已的航船，而把恐惧抛在后面。”

leave behind：留下，遗忘，放弃，使落后，落下1. Mike left his money behind when he went shopping.

迈克去买东西时忘了带钱了。

2. Take care not to leave anything behind. 当心别丢下东西

3. The airline hostess reminded the passengers

not to leave luggage behind when they alighted

from a plane. 空中乘务员提醒旅客们下飞机时别

把自己的行李忘在机上。

2.There are two sides ________every question.

A.of

B.in

C.to

D.at

知识点: 第一部分

学生答

案:

[C;] 标准答案: C;

得分: [5] 试题分值: 5.0

提示: 该题选C，题目大意是“每个问题都有两面性。”

3.He ________to a committee to find out whether the South Branch of

the James River was deep enough to be used by large boats.

A.appointed

B.assigned

C.pointed

D.was appointed

知识

点:

第一部分

学生

答案:

[D;] 标准答案: D;

得分: [5] 试题分值: 5.0

提示: 该题选D，题目大意是“他被任命为一个委员会的成员，去调查詹姆斯河南部支流的水深是否可以通行大型船只。”

appoint：任命，委派：选派或指定来填补一位置或职位：

1. Dr Gray has been appointed to a consultancy. 格雷医生被派去当会诊医生了。

2. Her company appointed her the chief operating officer of the company. 公司任命她为公司的经营主任。

3. We must appoint a new teacher at once to

the mountain school. 我们必须立即委派一名新教师到那山村小学去。

4. Public opinions are usually ________ by mass media.

A. affect

B. influenced

C. change

D. effect

知识点: 第二部分 学生答

案: [B;] 标准答案:

B; 得分: [5]

试题分值:

5.0

提示:

该题选B ，题目大意是“公众的意见通常会受到大众传媒的影响。”

influence ：及物动词 vt. 影响，感化；左右

I don′t want to influence you. You must decide for yourself.

我不想影响你。你必须自行决定。

5. He knows that the commotion would frighten the cobra ________.

A. into striking

B. at striking

C. to strike

D. into strike

知识

点:

第一部分 学生

答案:

[A;] 标准答案: A; 得分: [5] 试题分值:

5.0

提示:

该题选A ，题目大意是“他知道这样会引起骚乱，致使眼镜索受惊咬人。” frighten sb into doing 吓得某人做某事，恐吓(某人)做… They frightened him into giving them money. He frightened the child into giving his toy to him.

6. A ________ official and his wife are giving a large dinner party.

A. colony

B. colonial

C. colonel

D. colonist 知识点: 第一部分 学生答

案:

[B;] 标准答案:

B; 得分: [5] 试题分值:

5.0

提示:

该题选B ，题目大意是“某殖民官员和他的夫人举行盛行的晚宴。”

colonial ：形容词 a. 殖民地的,殖民的

The African people have successfully fought against colonial rule. 非洲人成功地反抗殖民统治。

7. The young couple ________ with their guests.

A. seat

B. seated

C. are seated

D. are sitting down

知识

点:

第一部分 学生

答案:

[C;] 标准答案: C; 得分: [5] 试题分值:

5.0

提示:

该题选C ，题目大意是“这对年轻夫妇跟他们的客人一起就座。” seat ：及物动词 1. 使就座

He seated himself in a chair. 他在椅子上坐下。

2. 有...座位，容纳...人

The auditorium seats 3,000 people. 这个礼堂可坐三千人。

3. be seated 坐下，坐着；位于...

We′d like to be seated together. 我想和你坐在一起。

He then asked me to be seated. 然后他让我坐下。

注：这里的seated 是形容词，类似于be careful ：小心，这里的careful 也是形容词。这是由be+形

容词的结构，变成动词了。

Please be seated.：就座，请座

8.In the 1929 economic ________, many Americans lost their jobs.

A.crisis

B.critic

C.critical

D.criminal

知识

点:

第二部分

学生答

案:

[A;] 标准答案: A;

得分: [5] 试题分值: 5.0

提示: 该题选A，题目大意是“在1929年的经济危机中，很多美国人失去了工作。”

crisis：名词 n. [C]

1.危机；紧急关头；转折点

The economic crisis lasted for several years. 经济危机持续了好几年。

Something told him that this was a crisis in their lives. 他意识到这是他们生活中的一次危机。

2.病情危险期

The patient has passed the crisis. 病人已渡过危险期。

9.We learn to ________ before we learn to walk.

A.jump

B.climb

C.scale

D.crawl

知识

点:

第二部分

学生

答案:

[D;] 标准答案: D;

得分: [5] 试题分值: 5.0

提示: 该题选D，题目大意是“我们必须在学会走路以前，先学会爬。”

crawl：不及物动词 vi.

1. 爬行，蠕动

He watched the baby crawl across the room. 他

看着婴儿从房间这边爬到那边。

2. 慢地移动，徐徐行进

It was rush hour and we crawled along at 15

miles an hour. 遇上了高峰时间,我们的车子以每

小时十五英里的速度缓慢行驶。

10.After years of efforts, those originally _________ hills are now

covered with young trees.

A.empty

B.bare

C.hollow

D.naked

知识

点:

第二部分

学生答

案:

[B;] 标准答案: B;

得分: [5] 试题分值: 5.0

提示: 该题选B，题目大意是“经过多年的努力，那些原本光秃秃的山头，现在为葱葱小树所覆盖。”bare： a. （形容?~）裸的、光?d?d的

1. The child was bare to the waist. 那孩子打赤膊。

2. The hill bare because of the unlimited cutting.因为无限制的砍伐，这座小山已经变得光秃秃了。

11.

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