解析：本题的关键词是human brain, socially important
information,回文比对，我们发现【H】段里面的第二句the human brain is especially adept at learning
socially salient information. 原文的salient与答案的important为同义替换词，故锁定为答案。
37. C
解析：本题的关键词是 experiment, peers, increase risk-taking, 回文比对，我们发现【C】段里面的最后一句The
presence of peers makes adolescents and youth, but not adults, more likely to
take risks，符合题意，为答案。
38. L
解析：本题的关键词是students, risk, classroom, positive, 回文比对，我们发现【L】段里面的最后一句We
should assure such students that risk, and even peer pressure, can be a good
thing—as long as it happens in the classroom and not the car. 符合题意，为正确答案。
39. J
解析：本题的关键词是 mate and getting married，回文比对发现【J】段中第四句后半段谈到find a mate and
start their own family while separating from parents的问题，符合题意，是正确答案。
40. G
解析：本题的关键词是speed and effectiveness of
teenagers’leaning，回文比对，我们发现【G】段中Steinberg的原话是What our study suggests is that
teenagers learn more quickly and more effectively when their peers are present
than when they're on their own，正好符合题意，是正确答案。
41. A
解析：本题的关键词是 parents， concerned，negative influence，回文比对，我们发现【A】段中前两句Parents
of teenagers often view their children's friends with something like suspicion.
They worry that the adolescent peer group has the power to push its members into
behavior that is foolish and even dangerous. 句中的suspicion
和worry都是题目中concerned的同义替换词，符合题意，为正确答案。
42. I
解析：本题的关键词是network，socially motivated learning，mental
powers，回文比对，我们发现【I】段中最后一句“this network can be called on to process and store the
kind of information taught in school—potentially giving students access to a
range of untapped mental powers，正好符合题目信息，为正确答案。
43. F
解析：本题的关键词是 rewards in teens’ brains，回文比对，我们发现【F】段中第一句The brains of
teenagers, but not adults, showed greater activity in two regions associated
with rewards when they were being observed by same-age peers than when alone.
涉及到了题目中的关键词，故为正确答案。
44. K
解析：本题的关键词是absorb information，imparting it to others, secretary and
depth,回文比对，我们发现【K】段中的最后一句Research shows that when we absorb information in order
to teach it to someone else, we learn it more accurately and
deeply正好是这个意思，故为正确答案。
45. D
解析：本题的关键词是experts suggest，good use in education，回文比对，我们发现【D】段Now some
experts are proposing that we should take advantage of the teen brain's keen
sensitivity to the presence of friends and leverage it to improve
education.正好覆盖题目中关键词，锁定为正确答案。
SectionC 仔细阅读 46-49题
46. D Rice farmers in the Ebro Delta are 。。。 as hard a time as in the
war
解析：细节题。根据题干关键词rice farmers，fighting enemies,我们回文定位到文章第二段最后一句：The most
promising strategy has become to harness one foe against the other，意思是:
最好的策略就是利用一个敌人与另一个敌人进行斗争。比对选项，我们发现【D】正好符合原文意思，为正确答案。【A】【B】【C】在文中均未提及，全部予以排除。
48. C Its immediate priority is to bring the pest under control
49. B It will invade other rice-growing regions of Europe
解析：细节题。根据题干关键词project manager，giant apple
snail，我们回文定位到文章第五段，本段介绍了害虫的历史，最后一句提到：害虫最大的问题不是它是否会蔓延到欧洲其他水稻种植地区，而是何时才会变成真的。比对选项，我们发现【B】就是这个意思，它们会侵略欧洲水稻种植区，完全符合原文意思，为正确答案。【A】【C】【D】选项在文中未提及，故排除;
发表于 2018-6-30 18:12:51
