2017年考研英语模拟试题二

You are a salesman in a pharmacy company. Write a letter to Mr. Wang, one of your customers, to introduce a new medicine to him.You should write about 100 words on the ANSWER SHEET.Do not sign your own name at the end of the letter. Use " Li Ming" instead.Do not write the address.

Study the following drawing carefully and write an essay in which you should 1)describe the drawing, 2)interpret its meaning and implications, and 3)give your comments. You should write 160-200 words neatly on the ANSWER SHEET.(20 points)

【B19】

【B20】

【B16】

【B17】

【B18】

【B14】

【B15】

【B13】

【B11】

【B12】

【B10】

【B9】

【B8】

【B7】

【B4】

【B5】

【B6】

【B2】

【B3】

You probably have a long mental list of moments and facts you wish you could remember—but actually you cannot. The good news,【B1】______, is that while such memories may be currently【B2】______, they are not entirely gone, and could theoretically be【B3】______, according to a new brain research. In the study, biologist Jeffrey Johnson【B4】______16 college participants through an FMRI machine (which【B5】______nervous activity via blood flow)to compare brain patterns【B6】______memory formation and recall. First, he showed the students various common words and had them【B7】______a few tasks: say the word backwards in your head,【B8】______its uses, and picture how an artist would【B9】______it. Then, 20 minutes later, after the students re-entered the FMRI machine, Johnson showed them the list of words and asked them to recall【B10】______they could from before. Finally, he compared brain activity from both【B11】______and what he found will surprise you. Using【B12】______is called "pattern analysis" , its possible to【B13】______a unique pattern of brain activity to every individual thing we do. This means that when a participant says the word "apple" backwards the【B14】______pattern of brain activity is different from when he pictures the fruit.【B15】______interestingly, there is close similarity between the pattern that emerges when we【B16】______an activity and when we later recall it. The stronger our memory, the【B17】______the pattern, but as Johnson found, even at a moment【B18】______we cannot remember anything, our nerve cells still fire in a way that【B19】______the activity of when we formed the memory. This【B20】______that sometime in the future we may be able to retrieve the memories we thought wed lost forever.

【B1】