英语：北师大版一轮复习必修四 单元练习 Unit 12 Culture Shock

英语：北师大版一轮复习必修一 单元练习英语：北师大版一轮复习必修四 单元练习 Unit 12 Culture Shock

北师大版一轮复习必修四 单元练习 Unit 12 Culture

Shock

Ⅰ.单项填空

1．________ is known to everybody，the moon travels around the earth once every month.

A．It B．As

C．That D．What

2．We really________ you a great deal for all your hard work this year.

A．cost B．pay

C．owe D．offer

3．He always gives students enough time to ______ what they have just learnt.

A．attract B．absorb

C．get D．receive

4．The technical cooperation and cultural________ between the two countries are daily on the increase.

A．expenses B．exchanges

C．revenges D．extension

5．Among the members of the committee those who favor the proposed changes are in the________，so the scheme was passed.

A．majority B．minority

C．maximum D．minimum

6．Don’t respond to any e­mails________ personal information，no matter how official they look.

A．searching B．asking

C．requesting D．questioning

7．She is very________ to me but I can’t remember her name.

A．familiar B．similar

C．known D．alike

8．We should________primary importance to job training.

A．concentrate B．devote

C．attach D．emphasize

9．I can’t bear________，so I hope you can come on time.

A．to keep waiting B．to keep to wait

C．being kept waiting D．being kept to wait

10．All the parents were at the railway station，________ to school.

A．seeing for the children B．seeing the children off

C．seeing to the children D．seeing through the children

11．Sam insisted that he________ the law and________.

A．didn’t break；mustn’t be punished

B．doesn’t break；shouldn’t punish

C．hadn’t broken；be not punished

D．hadn’t broken；not be punished

12．The great difficulty I had________ the patient who got a serious wound was unimaginable.

A．treat B．to treat

英语：北师大版一轮复习必修一 单元练习英语：北师大版一轮复习必修四 单元练习 Unit 12 Culture Shock

C．treating D．treated

13．He left a good impression on me________ I saw him.

A．for the first time B．the first time

C．first time D．it’s the first time

14．—The floor is dirty.Can anyone clean it?

—________I do it all the time.

A．Don’t mention it. B．Why you?

C．Not sure. D．Not me again.

15．What I need is ________ book that contains ________ ABC of oil painting.

A．a；/ B．the；/

C．the；an D．a；the

Ⅱ.阅读理解

For thousands of years humans have used herbs，roots，and other things from nature to cure disease.Scientists looking for new cures often visit traditional healers.They find out what plants are used in healing.Then they look at what the plants contain.They find the active ingredients，which are the chemicals in the plants that work to heal.Many of the drugs we use，including aspirin，have come from these natural medicines.

In recent years，many people in the USA have been taking what are legally known as dietary supplements.They may be vitamins or minerals.They may be herbs that help with health problems，such as depression.Some of them are teas.Others are capsules or tablets.They are sold in natural food stores，drug stores，and groceries.Most people think that because these products are natural，they are also safe.This is not always true.There are many plants that are poisonous.There are others that have side effects.

The New England Journal of Medicine publishes medical research.A recent edition called for the government to regulate dietary supplements.Several doctors wrote to the journal and told of bad experiences people have had with dietary supplements.

Dietary supplements aren’t tested in the same way as drugs.There is always no proof that dietary supplements really do what they are supposed to do.There is also a problem with purity of dietary supplements.Supplements have been found to contain things that are bad for the body.For example，the California Department of Public Health found that of 260 herbs grown in China，one-third contain heavy metals.They are minerals such as lead and mercury.They are very poisonous，even in tiny amounts.

16．The scientists study the cures from the healers in order to________.

A．find out what plants are poisonous

B．find out what in plants work to cure disease

C．look for aspirin in plants

D．make sure that plants can cure disease

17．We can know from the second paragraph that________.

A．dietary supplements are very popular in the United States

B．supplements are safe because they are natural medicines

C．all supplements are poisonous

D．no supplements have side effects

18．The underlined word “regulate” in the third paragraph means________.

A．punish B．remove

英语：北师大版一轮复习必修一 单元练习英语：北师大版一轮复习必修四 单元练习 Unit 12 Culture Shock

C．control D．manage

19．The problem with dietary supplements may be in that________.

A．dietary supplements can’t be tested

B．dietary supplements may contain something useless

C．dietary supplements may be polluted seriously

D．there is no clear evidence that dietary supplements do work well

20．Which of the following is NOT right according to this passage?

A．Scientists think herbs and roots can be used to cure disease.

B．People believe dietary supplements include vitamins and minerals.

C．It is right that dietary supplements are always safe.

D．Some dietary supplements may be harm …… 此处隐藏：4353字，全部文档内容请下载后查看。喜欢就下载吧 ……