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考研英语冲刺试卷

考研英语冲刺试卷

考试时间:180分钟满分:100分

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 the ANSWER SHEET.(10 points)

You probably have a long mental list of moments and facts you wish you could remember---but actually you cannot. The good news, 1 , is that while such memories may be currently 2 , they are not entirely gone, and could theoretically be 3 ,according to a new brain research.

In the study, biologist Jeffrey Johnson 4 16 college participants through an FMRI machine (which 5 nervous activity via blood flow) to compare brain patterns 6 memory formation and recall. First, he showed the students various common words and had them 7 a few tasks: say the word backwards in your head, 8 its uses, and picture how an artist would 9 it. Then, 20 minutes later, after the students re-entered the FMRI machine, Johuson showed them the list of words and asked them to recall 10 they could from before. Finally, he compared brain activity from both 11 and what he found will surprise you.

Using 12 is called “pattern analysis”, it’s possible to13 a unique pattern of brain activity to every individual thing we do. This means that when a participant says the word “apple”backwords the 14 pattern of brain activity is different than when he pictures the fruit. 15 interestingly, there is close similarity between the pattern that emerges when we 16 an activity and when we later recall it. The stronger our memory, the 17 the pattern, but as Johnson found, even at a moment 18 we cannot remember anything, our nerve cells still fire in a way that 19 the activity of when we formed the memory. This 20 that sometime in the future we may be able to retrieve the memories we thought we’d lost forever.

1. [A]although [B]rather [C]though [D]therefore

2. [A]forgetful [B]absent [C]faultless [D]unavailable

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