历年考研英语完形填空真题及答案：2005年

历年考研英语完形填空题真题及答案(2000-2014)

　　Section Ⅰ Use of English

　　Directions:

　　Read the following text. Choose the best word(s) for each numbered blank and mark A,B,C or D on ANSWER SHEET 1(10 points)

　　The human nose is an underrated tool. Humans are often thought to be insensitive smellers compared with animals, 1 this is largely because, 2 animals ,we stand upright. This means that our noses are 3 to perceiving those smells which float through the air, 4 the majority of smells which stick to surfaces. In fact

　　5 , we are extremely sensitive to smells, 6 we do not generally realize it. Our noses are capable of 7 human smells even when these are 8 to far below one part in one million.

　　Strangely, some people find that they can smell one type of flower but not another, 9 others are sensitive to the smells of both flowers. This may be because some people do not have the genes necessary to generate 10 smell receptors in the nose. These receptors are the cells which sense smells and send 11 to the brain. However, it has been found that even people insensitive to a certain smell 12 can suddenly become sensitive to it when 13 to it often enough.

　　The explanation for insensitivity to smell seems to be that brain finds it

　　14 to keep all smell receptors working all the time but can 15 new receptors if necessary. This may 16 explain why we are not usually sensitive to our own smells we simply do not need to be. We are not 17 of the usual smell of our own house but we 18 new smells when we visit someone else's. The brain finds it best to keep smell receptors 19 for unfamiliar and emergency signals 20 the smell of smoke, which might indicate the danger of fire.

　　1. [A]although [B]as [C]but [D]while

　　2. [A]above [B]unlike [C]excluding [D]besides

　　3. [A]limited [B]committed [C]dedicated [D]confined

　　4. [A]catching [B]ignoring [C]missing [D]tracking

　　5. [A]anyway [B]though [C]instead [D]therefore

　　6. [A]even if [B]if only [C]only if [D]as if

　　7. [A]distinguishing[B]discovering [C]determining[D]detecting

　　8. [A]diluted [B]dissolved [C]determining[D]diffused

　　9. [A]when [B]since [C]for [D]whereas

　　10. [A]unusual [B]particular [C]unique [D]typical

　　11. [A]signs [B]stimuli [C]messages [D]impulses

　　12. [A]at first [B]at all [C]at large [D]at times

　　13. [A]subjected [B]left [C]drawn [D]exposed

　　14. [A]ineffective [B]incompetent [C]inefficient[D]insufficient

　　15. [A]introduce [B]summon [C]trigger [D]create

　　16. [A]still [B]also [C]otherwise [D]nevertheless

　　17. [A]sure [B]sick [C]aware [D]tired

　　18. [A]tolerate [B]repel [C]neglect [D]notice

　　19. [A]availabe [B]reliable[C]identifiable[D]suitable

　　20. [A]similar to[B]such as [C]along with [D]aside from

　　答案：Section I: Use of English (10 points)

　　1. [C] 2. [B] 3. [A] 4. [C] 5. [B]

　　6. [A] 7. [D] 8. [A] 9. [D] 10. [B]

　　11. [C] 12. [A] 13. [D] 14. [C] 15. [D]

　　16. [B] 17. [C] 18. [D] 19. [A] 20. [B]

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