完形填空是测验常见的题型之一，即选择最恰当的单词或词组完成文章，以下是2016江苏高考英语完形填空专题提升训练，请大家练习。

Of all man’s natural enemies, the one that has caused him more trouble than any other must be the common rat. For centuries, man has been 21 to solve the problem of rats. The ancient Egyptians were probably the first people to try to 22 them with poison, and this method is still being used today. This says a great deal about how 23 this method has been. We have set innumerable 24 , from simple wires to 25 machines that drowned the rats in beer! We have tried to inflect them with 26 developed germs. We’ve 27 tried to raise super cats to kill them. However, we are still losing the 28 .

So why can’t man manage to 29 a mere animal like the rat? The answer is simply that the rat isn’t a mere animal; It is a very special kind of animal. An average rat 30 : wriggle through a hole no 31 than a $1 coin; climb a brick wall as if it were climbing steps; happily leave a building by being flushed down the toilet, and then return the same 32 ; jump from a fifth storey window and run away 33 ; and last but certainly not least , 34 so rapidly that a single pair could have 15,000 babies in one year!

35 all these phyical qualities, we also have the 36 that rats are rather good at not getting caught. They seem to have an almost supernatural ability to 37 when food has been poisoned and a suspicious rat will starve 38 it eats poisoned food. They also seem to be able to 39 a trap with no real difficulty.

One thing looks certain, we had better find a way to 40 these small brown creatures soon, or it may be too late.

21. A. Trying B. managing C. coming D. failing

22. A. solve B. drive C. kill D. murder

23. A. effective B. efficent C. explict D. extreme

24. A. troops B. tricks C. tyres D. traps

25. A.commercial B. complictated C. conventional D. contemporary

26. A. secretly B. especially C. specially D. separately

27. A. ever B. never C. just D. even

28. A. competition B. companion C. battle D. challenge

29. A. Overcome B. hunt C. grasp D. interrupt

30. A. should B. can C. must D. may

31. A. larger B. smaller C. less D. more

32. A. method B. way C. means D. road

33. A. harmed B. unharmed C. brave D. clumsy

34. A. adopt B. grow C. multiply D. accelerate

35. A. In spite of B. Owing to C. In addition to D. At the mercy of

36. A. phenomenon B. problem C. principle D. privilege

37. A. touch B. taste C. feel D. sense

38. A. after B. when C. since D. before

39. A. realize B. recognize C. ruin D. rewind

40. A. win B. hit C. strike D. defeat

答案 21. A 22. C 23. A 24. D 25. B 26. C 27.D 28. C 29. A 30. B

31. A 32. B 33. B 34. C 35. C 36. B 37. D 38.D 39. B 40. D