Of all living creatures on earth, insects are the most plentiful. Some　 36　 are very useful to man, for example, bees,　 37　 we get honey and wax, and silkworms, which　 38　 us with silk. Other varieties,　 39　 , are extremely harmful, and do a great　 40　 of damage, especially to crops. Locusts （蝗虫） are perhaps the most dangerous of all,　 41　 they will eat almost any green　 42　 , and when millions of them　 43　 on cultivated land（耕地）they soon leave it　 44　 . In some countries they are the farmer’s　 45　 enemy. Another nuisance is the common　 46　 , not only because it　 47　 us indoors and out - of- doors, but because it spreads diseases.

　　Scientists have given much time and　 48　 to the study of insects. It needs the most careful and　 49　 observation. Thanks　 50　 their discoveries we now know almost all　 51　 is to be known about the habits of these hardworking insects, bees and ants, which live in　 52　 better planned in some ways than our　　53　 . But the most valuable work has been done in trying to give　 54　 to men, animals and crops from the　 55　 which insects cause.

　　36．A. members  B. forms  C. qualities  D. varieties

　　37．A. by which  B. from which  C. of which  D. in which

　　38．A. give  B. produce  C. offer  D. supply

　　39．A. however  B. meanwhile C. therefore  D. what's more

　　40．A. majority  B. number  C. amount  D. quantity

　　41．A. and  B. for  C. if  D. when

　　42．A. grass  B. field  C. fruit  D. plant

　　43．A. settle  B. attack  C. pass  D. cross

　　44．A. bare  B. nothing  C. empty  D. untouched

　　45．A. hardest  B. greatest  C. serious  D. wildest

　　46．A. insect  B. creature  C. fly  D. enemy

　　47．A. dislikes  B. bites  C. worries  D. hates

　　48．A. understanding  B. ideas  C. comprehension  D. thought

　　49．A. serious  B. patient  C. curious  D. long

　　50．A. for  B. of  C. to  D. with

　　51．A. that  B. which  C. there  D. what

　　52．A. societies  B. crowds C. teams  D. organizations

　　53．A. world  B. nation  C. selves  D. own

　　54．A. help  B. protection  C. living  D. defense

　　55．A. injury  B. wound  C. sickness  D. ruin

I shall never forget the day when the earthquake took place. The time was 5∶15 in the afternoon and I __1__ along the road to __2__ my daughter from school. Our plan was to go __3__ together. I had finished work at 4 o'clock and then __4__ to the post office. Then I'd stopped my car at a shop __5__ some fresh fruit. We like to have some fruit to eat after our swim.

I was driving along a high road on my way __6__. Over my road was another path for cars coming the other way. I drove __7__ so I put the bag of apples in the seat beside me and started to eat one.

Suddenly I saw the cars in front of me start to move __8__. I slowed down. Then my car started __9__！ I didn't know what was happening. __10__ something had gone wrong with my car. I drove __11__ slower. I stopped the car and at the same moment the road fell onto the cars __12__ me.

I __13__ myself in the dark. I couldn't move. All around me was __14__. For about two hours nobody came. Luckily I could __15__ the bag of apples, so at least I had plenty to eat. Then a team of people had come to see if anyone was under the __16__ road.

“__17__ are you doing？” asked the helper. “Not too bad，” I said, “but my feet and legs __18__ as if they're broken.” “We'll have you out of there just as __19__ as we can.” They didn't get me out __20__ the morning. I had been in my car for fourteen hours.

1．A.was walking 　　　 B．was running

　 C．was driving 　　 D．was singing

2．A.bring 　　　　 B．take

　 C．carry 　　　 D．fetch

3．A.swimming 　　 B．shopping

　 C．boating 　 　　　 D．fishing

4．A.gone 　　　　　　 B．went

　 C．walked 　　　　 D．run

5．A.buy 　　　　　 B．buying

　 C．getting 　　　　 D．to get

6．A.to school 　　　　 B．to the school

　 C．to the swimming pool D．home

7．A.happy 　　　　 B．excited

　 C．hungry 　　　　 D．worried

8．A.here and there 　 B．now and then

　 C．from side to side 　 D．up and down

9．A.shook 　　　　 B．to shake

　 C．to tremble 　　 D．trembling

10．A.Perhaps 　　　　 B．Surely

　 C．Suddenly 　　 D．Immediately

11．A.more 　　　　 B．very

　 C．even 　　　　 D．too

12．A.in front 　　 　 B．in the front

　 C．in the front of D．in front of

13．A.found 　　　 B．saw

　 C．found out 　 D．discovered

14．A.noisy 　　　 B．quiet

　 C．nice 　　　　 D．strange

15．A.see 　　　　　　 B．hold

　 C．catch 　　　 D．reach

16．A.break 　　　 B．broke

　 C．broken 　　　　 D．breaking

17．A.What 　　　　 B．How

　 C．When 　　　　 D．Where

18．A.feel 　　　　　　 B．look

　 C．seem 　　　　 D．appear

19．A.fast 　　　　　　 B．hurried

　 C．soon 　　　　 D．possibly

20．A.on 　　　　　 B．to

　 C．until 　　　 D．after

Water，which seems so simple and common，is________makes life possible.