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(安徽卷)高中英语Unit21HumanBiologyCommunicationWorkshop课时作业北师大版选修7

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课时作业(九) Communication Workshop

Ⅰ.单词拼写

1.In India the cow is a________(2.Though in the________(

神圣的)animal.

,he keeps walking every day.

发财)abroad.

晚期的)stage of cancer

3.When she was young,she left home to seek her ________(4.The ________(公司)was badly hit by competition from abroad. 5.Many students find ________(

临时的)jobs during their summer holidays.

截止日期).

6.There is still one month left before the ________(7.Because of the financial crisis________(下降).

8.Even today they still have the________(and motionless.

,the number of people buying houses has

荒唐的)idea that the earth is flat

9.Under no________(情况)will we agree to make the company spilt up. 10.If you ask for money from us,you have to________(提交)details Ⅱ.单项填空

1.(2013·凤阳高二月考live________easy life.

A.a big fortuneC.big fortune

;an ;/

B.a big money;an D.big money;/

the cinema together as a

family.

)All that this young man dreams of is to make________and

of the damage.

2.This is the first time we________a film in A.see C.saw

B.had seen D.have seen

3.The epidemic must be wiped out________or the chicken raisers will suffer a terrible loss.

A.at home C.at a sale

B.at any rate D.at a time

,sir?

use the telephone in the office

for personal

4.-Can I use the telephone on the table-Under no circumstances________to affairs.

A.anyone is allowed C.is anyone allowed

B.nobody is allowed D.is nobody allowed

there is never too small

5.In the eyes of the newly-elected prime minister

a thing as far as the farmers________.

A.are concerning C.are concerned 6.(2013·蚌埠高二月考of money last night.

A.robbed;from C.robbed;of

B.robbed;by D.robbed;on B.concern D.concerned

)Three men__________a local bank__________a large amount

7.The robot________camera can do many things for mankind. A.equips with C.equipping with

B.equipped with D.equipped for

8.To my surprise,the price of the cars________from 100,000________98,000 yuaneach only in one month

A.increased;to C.declined;to

9.(2013·马鞍山高二检测)If vote________it.

A.for C.on

B.against D.to

,which would save me 2,000

yuan.

B.assessed;off D.cut;on we can't

reach agreement,we'll

have to

10.-The completed design must have been________to the boss by the end of this month.

-No problem. A.united C.assisted Ⅲ.阅读理解

A

Genetically modified (GM) (

转基因的) crops have made an enormous positive

B.opposed D.submitted

influence on the world. In recent years, GM technology has brought much benefit directly

to farms, reducing the use of poisonous chemicals that kill

排放).

is the loss of crops

pests of plants,

and reducing greenhouse gas emissions (

A particular

concern among farmers in developing countries

to insect pests. One way to fight this problem is to use chemicals,but this behavior will do harm to the health of farmers, the environment, and the people who eat the food. Instead, biotechn

ology can be used to increase production of pest-resistant

crops. For example, in Africa, the sweet potato serves as an important crop, but

viruses (病毒) can dramatically

Research Institute,

destroy its output by up to 80%. The Kenya

modified sweet

Agricultural however,has developed a genetically

potato that can increase crop production by 18-25%. What's more, this new kind of potato has disasters.

The use of genetically especially

modified foods can have a positive

effect on the economy,

genes that resist damage

due to bad climate

or unexpected natural

in less developed countries. GM crops have already led to economic growth Because GM crops require fewer chemicals,

and labor necessary to manage

in South Africa, according to some studies.

farmers can save money on both the costs of pesticides

the treatments. This, combined with higher output, allow the farmer to gain more from the product.

With an increasing been greatly

reduced.

adoption of GM crops, the use of pest-control In fact,

while

not necessarily

related

chemicals has to food-related

biotechnology, some GM plants have been developed to take care of heavy metal pollution vaccines (

in some polluted

soil.

Finally,

biotechnology

can allow people to receive

疫苗) that are difficult to distribute. By putting vaccines into food

products, organizations can more easily transport them to people in need.

1.We can learn from the text that________. A.GM crops benefit the environment B.farmers fail to grow a lot of plants C.insect pests do less harm to the soil D.more greenhouse gas is sent into the air

2.What can we infer from the example of the sweet potato? A.Kenya will have the most advanced technology in the future. B.Crops can be modified to grow in worse natural environment. C.Potatoes grown in wet areas can resist different kinds of insects. D.The adoption of GM potatoes may do harm to the farmers' health. 3.According to the text, GM crops in poor countries________. A.need further research on chemical resistance B.cost more time and money on farm management C.suffer fewer natural disasters during the growth D.offer good economic benefits to the farmers

4.Which of the following can be concluded from the text? A.New challenges in world farming have been caused.

(安徽卷)高中英语Unit21HumanBiologyCommunicationWorkshop课时作业北师大版选修7

课时作业(九)CommunicationWorkshopⅠ.单词拼写1.InIndiathecowisa________(2.Thoughinthe________(神圣的)animal.,hekeepswalkingeveryday.发财)abroad.晚期的)sta
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