3.写这部小说你用了多长时间？

How long does               you to write this novel?

2.除非有医生的证明，否则你必须参加体育测试。 

You're required to take      in the P. E. test       you have a doctor's note.

1.别担心！我已经关灯了。

Don't worry!I                      the lights.

     use,recycle,napkin_? take,stay 

1.Have you ever collected waste paper or bottles for        ？

2.People shouldn't use paper towels or     to protect the environment.

3.We all       part in the school trip last week.

4.His father    to drive to work,but now he walks to work.

5.Let's go hiking instead of     at home,OK?

Yuan Longping,a Chinese scientist,has saved people without any magic. His success on hybrid rice(杂交水稻) fed millions of people in hunger.

Yuan 1.    (be) born on September 7， 1930. After graduating from the then Southwest Agriculture Institute(农业学院) ，he worked as a teacher at an agriculture school in Hunan.

About 50 years ago,some natural disasters(灾难) hit China. Yuan saw many people lose their lives because of hunger every day. Since then he 2    .(do) research on how to grow good

quality rice. In 1964，he found a natural hybrid rice plant by accident. It had great advantages over others. Yuan was excited about what he discovered. He then decided 3.    (study) this particular plant.

In 1973，he started to grow a type of hybrid rice. It 4.    (produce) 20%more rice each unit than common ones. The next year,he had a great success. This progress made China the world's leader in rice production.

In China,most rice fields(稻田) grow Yuan's

hybrid rice. He 5.        (call) the "Father of Hybrid Rice".

Now he is 84 years old. He still 6    . (have) a dream. He hopes hybrid rice 7.       

(grow) as tall as Chinese sorghum(高梁) one day！ 

There are many kinds of pollution around us, 1    air pollution,soil pollution,noise pollution and light pollution. They are bad 2     our health in many ways.

Burning gas,oil and coal creates air pollution. It can cause sore eyes and 3     problems.

With the increase of pollution and the development of industry，litter is everywhere. It makes our environment dirty. People put lots of rubbish in the land. Farmers use too many 4     in the fields. They destroy the soil. So soil pollution has become serious.

Noise pollution can make people 5     . For example,people may lose their hearing if they work in a6    place for a long time. Too much noise can cause high blood pressure 7     .

Working for a long time in strong, changeable light 8     cause some kinds of illnesses. It makes people feel 9     and is especially bad for the eyes.

With 10     pollution,our planet will become greener and our health will be better. Let's be greener people.

(   ) 1.A. such as   B. for example

   C. such like   D. as well as

(   ) 2.A. to   B. in

   C. for   D. at

(   ) 3.A. breaths   B. breathe

   C. breathed   D. breathing

(   ) 4.A. chemical   B. chemicals

   C. chemistry   D. chemistries

(   ) 5.A. blind   B. lame

   C. black   D. deaf

(   ) 6.A. noise   B. noisy

   C. noisily   D. noises

(   ) 7.A. as well   B. neither

   C. either   D. also

(   ) 8.A. must   B. should

   C. may   D. need

(   ) 9.A. terrible   B. comfortable

   C. terribly   D. comfortably

(   ) 10.A. little   B. a little

   C. less   D. fewer

(   ) 10. ―Have they done anything to improve the environment recently? --    .They didn't take action.

   A.Yes,they have

   B.No,they didn't

   C.Yes, they did

   D.No,they haven't

(   ) 9. If you don't pay attention to your health you'll       it later.

   A. paid for   B.  pay for

   C.  spend on   D.  cost

(   ) 8. The environmental protection is important. Let's    to do something for it.

   A. take action   B. take actions

   C.  taking action   D. taking actions

(   ) 7. Tomorrow is my birthday. Would you like    my eighteenth birthday party?

   A. to join   B.  to take part in

   C.  joining   D.  taking part in