文档介绍：考研英语补充资料(白皮书)
(说明:word版页码跟教材一样)
欢迎使用新东方在线电子教材
目录
2005年全国硕士研究生入学考试统一英语试题……………………… 1
2006年考研英语新增题型大纲样题…………………………………… 12
2006年考研英语新增题型模拟题型一:搭配题……………………… 18
2006年考研英语新增题型模拟题型一:搭配题……………………… 18
2005年全国硕士研究生入学考试统一英语试题
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 l.(10 points)
The human nose is an underrated tool Humans are often thought to be insensitive pared 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 e sensitive to it when (13) to it often enough.
The explanation for insensitivity to smell seems to be that the 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