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For many years,drivers of electric trains in the UK were at risk from bird strikes.When they were travelling at high speeds,a____hitting the front of the train could____the windscreen of the driving cab.I once had a pigeon break the offside window into pieces at only 40 mi/h.The pigeon didn't____,but I did—I am alive!

In an effort to provide a better degree of____and reduce delays,of course,research was done to find a ___toughened glass windscreen for____.As part of this research,____was sought from airline suppliers,who said that a good test for ant new glass type was to fire a chicken at high speed____the window material.The____was soon set up and a number of dead chickens obtained.

Even though it was of a standard used by____,the test with the first chicken showed that the glass was not____enough.A second test____broke the glass.Another test damaged the third windscreen!Repeated____showed that no glass could____the chicken being fired at it.More advice was sought from the airline people,who could not understand____the glass they offered could withstand(禁得住)airborne bird strikes but____failing the railway tests. They decided to come to____test.

The railway research team set up a____test and sent someone to obtain more chickens.____the chickens arrived,it was then that the airline experts realized what was wrong.They told the railway research team."You know,you do____to defrost(解冻)the chickens first."

1.A. device   B. chicken   C. bird   D. stone

2.A. keep out   B. pass through   C. escape from   D. take away

3.A. fly   B. appear   C. fall   D. survive

4.A. safety   B. speed   C. travel   D. temperature

5.A. heavy   B. bright   C. suitable   D. flat

6.A. passengers   B. drivers   C. animals   D. pilots

7.A. information   B. energy   C. courage   D. advice

8.A. off   B. towards   C. beyond   D. across

9.A. test   B. research   C. business   D. organization

10.A. government   B. army   C. railways   D. airlines

11.A. popular   B. attractive   C. tough   D. transparent

12.A. also   B. then   C. ever   D. only

13.A. changes   B. attempts   C. events   D. ideas

14.A. reflect   B. prevent   C. separate   D. resist

15.A. whether   B. how   C. why   D. when

16.A. avoided   B. kept   C. stood   D. stopped

17.A. witness   B. cancel   C. prove   D. correct

18.A. strange   B. strict   C. new   D. necessary

19.A. The moment   B. Now that   C. Even if   D. In case

20.A. manage   B. agree   C. expect   D. have

高三英语完形填空中等难度题

少年,再来一题如何?
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