专家点评2009年考研英语完型真题
Paragraph 1Research on animal intelligence always makes me wonder just how smart humans are.
【点评】"对动物智能的研究总是让我很好奇人类究竟有多聪明"。
补充：wonder 【vt.】想知道，好奇，如I wonder if…。Wonder后为宾语从句。
【n.】No wonder 不足为奇。
1 the fruit-fly experiments described in Carl Zimmer's piece in the Science Times on Tuesday.
1. Suppose Consider Observe Imagine
【点评】1空后是一个名词短语，described in…是过去分词作定语修饰experiments（试验），结合上句，即主题句的核心词research 研究，可以知道这里的试验就是为了研究动物智能，所以是举例子。英语中动词+n能够独立成句表示举例，只有两个用法：consider + n., Take …for example。所以，答案是____。
其余词的意思…，注意observe 还有"遵守"的意思，也是考点。
Fruit flies who were taught to be smarter than the average fruit fly 2 to live shorter lives.
2. tended feared happened threatened
【点评】重要考点tend to，who 引导定语从句。能够与to搭配的有tend, happen，用法完全不一样，举例：A great idea happened to me at that moment.那时，我碰巧有一个好主意。答案选____。
This suggests that 3 bulbs burn longer, that there is an 4 in not being too terrifically bright.
3. thinner stabler lighter dimmer
4. tendency advantage inclination priority
【点评】联系上句，"越聪明的果蝇寿命越短"，那___灯泡用的时间更长，不难理解，应该是越不亮的灯泡，所以，答案选____。
第4空后有个词bright意思是"明亮的，聪明的"，其实这个词的用法是"一语双关"，"灯泡不那么亮未必是坏事，还可能是优势；果蝇不那么聪明不见得就很糟糕"，因此答案是___。其他几个词的意思分别是：_____。
Paragraph 2
Intelligence, it 5 , is a high-priced option.
5. insists on sums up turns out puts forward
【点评】固定用法"It turns out (to be that…)"。
句子意思是"…."
It takes more upkeep, burns more fuel and is slow 6 the starting line because it depends on learning-a 7 process-instead of instinct.
6. off behind over along
7. incredible spontaneous inevitable gradual
【点评】第6空四个介词的本质涵义需要弄清楚，off 离开，behind在…之后，over在…之上，along 沿着…，满足题意的是___，意思是：….。
解决第7空需要注意到instead of …，这是一个相反对比，解题时需要充分利用。既然不是本能，那就应该是一个循序渐进的过程，所以答案是____。
四个单词的意思分别是：…。
Plenty of other species are able to learn, and one of the things they've apparently learned is when to 8 .
8. fight doubt stop think
【点评】"聪明的果蝇不停地学习"，其他大量物种与其不一样的就是学会"停下来"。答案是____。
Paragraph 3
Is there an adaptive value to 9 intelligence? That's the question behind this new research. I like it.
9. invisible limited indefinite different
【点评】既然不那么聪明（有限智能）是有好处的，那么有限智能是否有相应的价值呢？所以答案是____，也是05年真题的正确答案。
Instead of casting a wistful glance 10 at all the species we've left in the dust I.Q.-wise, it implicitly asks what the real 11 of our own intelligence might be.
10. upward forward afterward backward
11. features influences results costs
【点评】"而不是把…抛在脑后…"，这里应该有一个behind，但是10空的四个选项没有，最接近的就是_____。
-ward:表示方向
11.空比较难，因为要考虑到上文提到过"聪明是一个需要付出高额代价的选择"，所以这里选一个词与price近义即可，答案是____。
This is 12 the mind of every animal I've ever met.
12. outside on by across
【点评】"记在心上"，在…上，比较容易得到答案是_____。
Paragraph 4
Research on animal intelligence also makes me wonder what experiments animals would 13 on humans if they had the chance.
13. deliver carry perform apply
【点评】考查what引导的宾语从句里，动词与experiments的搭配，做试验，答案是_____。注意：carry out = perform。
Every cat with an owner, 14 , is running a small-scale study in operant conditioning.
14. by chance in contrast as usual for instance
【点评】上一句提到对动物只能的研究，该句提到具体的动物cat，显然是举例说明，所以答案是____。
we believe that 15 animals ran the labs, they would test us to 16 the limits of our patience, our faithfulness, our memory for terrain.
15. if unless as lest
16. moderate overcome determine reach
【点评】注意到that 从句里的虚拟语气，…., would….，所以答案是____。
"动物试验我们人类（if…），为了___我们的耐心、忠诚、对地势的记忆"，试验的目的就是要看看我们有多少耐心等，所以，答案是_____。
They would try to decide what intelligence in humans is really 17 , not merely how much of it there is.
17. at for after with
【点评】本句的to decide 反过来证明16空的正确性。
"..决定人类的智能有何目的，不仅仅是要知道有多少智能"，考一个搭配"what…for"，答案是____。
18 , they would hope to study a 19 question: Are humans actually aware of the world they live in?
18. Above all After all However Otherwise
19. fundamental comprehensive equivalent hostile
【点评】18空后面的句子结构"…would hope to…"，与上文的"would try to…"一脉相承，前后是一个递进关系，所以，四个选项_______中，选____。
19.空纯粹测试四个单词的意思_____，答案是_____。
20 the results are inconclusive.
20. By accident In time So far Better still
【点评】整个这篇文章都在讲动物智能的研究，做了很多假设，结论怎样呢？
四个字——尚无定论！因为到文章的最后，仍然只是假设而已。所以，答案选____。
Conclude, conclusion, conclusive
Include, inclusion, inclusive
Exclude, exclusion, exclusive
Decide, decision, decisive
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