大学英语A+--模拟试卷2答案及解析 下载本文

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[题干] [选项] [答案] [解析] [分数]

[题型] 词汇与语法 [章节] 英语 [类别] 测试

[题干] To a highly imaginative writer, ______ is a pad of paper and a pen. [选项]

A. all are required B. all required is C. all is required D. all that is required [答案] D

[解析] 空格部分应该为主语,A和C为主谓结构,不能充当主语,B中多了动词is,D可当主语,all后为that引导的定语从句,故选D。 [难度] 中 [分数] 2 [子题] [子题型] [题干] [选项] [答案] [解析] [分数]

[题型] 词汇与语法 [章节] 英语 [类别] 测试

[题干] ______ that they are fresh from university, the young people have done a good job. [选项]

A. Giving B. Because C. Given D. As [答案] C

[解析] given引导条件状语,意为:如果考虑到他们刚从大学毕业,那么这些年轻人就干得不错了,故选C。 [难度] 中 [分数] 2 [子题] [子题型] [题干] [选项] [答案] [解析] [分数]

[题型] 词汇与语法 [章节] 英语

[类别] 测试

[题干] Mark often attempts to escape ______ whenever he breaks traffic regulations. [选项]

A. having been fined B. being fined

C. to have been fined D. to be fined [答案] B

[解析] escape后面要加动词+ing的形式,一般不加动词+ing的完成形式,故选B。 [难度] 中 [分数] 2 [子题] [子题型] [题干] [选项] [答案] [解析] [分数]

[题型] 词汇与语法 [章节] 英语 [类别] 测试

[题干] It is not uncommon for ______ problems of communication between old and young. [选项]

A. there to be B. there being C. there to being D. there be [答案] A

[解析] 这里考it is not uncommon to do sth.的结构;故选A。 [难度] 中 [分数] 2 [子题] [子题型] [题干] [选项] [答案] [解析] [分数]

[题型] 完型填空 [章节] 英语 [类别] 测试 [题干]

The human nose is an underrated tool. Humans are often thought to be insensitive smellers compared with animals, but this is largely because, ______ (1) animals, we stand upright. This means that our noses are limited to perceiving those smells that float through the air, ______ (2) the majority of smells which stick to surfaces. In fact though, we are extremely sensitive to smells, ______ (3) we do not generally realize it. Our noses are capable of detecting human smells when these are ______ (4) to far below one part in one million.

Strangely, some people find that they can smell one type of flower but not another, whereas others are sensitive to the smells of both flowers. This may be because some people do

not have the genes necessary to generate ______ (5) smell receptors in the nose. These receptors are the cells which sense smells and send messages to the brain. However, it has been found that even people insensitive to a certain smell ______ (6) can suddenly become sensitive to it when exposed to it often enough.

The explanation for insensitivity to smell seems to be that brain finds it ______ (7) to keep all smell receptors working all the time but can create new receptors if necessary. This may ______ (8) explain why we are not usually sensitive to our own smells we simply do not need to be. We are not aware of the usual smell of our own house but we ______ (9) new smells when we visit someone else’s. The brain finds it best to keep smell receptors available for unfamiliar and emergency signals ______ (10) the smell of smoke, which might indicate the danger of fire. [选项] [答案] [解析] [难度] 中 [分数] 20 [子题]

[子题型] [题干] [选项]

A. above B. unlike C. excluding D. beside [答案] B

[解析] 这里的意思是,“不像 ”,故选B。 [分数]

[子题型] [题干] [选项]

A. catching B. ignoring C. missing D. tracking [答案] C

[解析] catch 抓住;ignore忽视;miss错过;track追踪,故选C。 [分数]

[子题型] [题干] [选项]

A. even if B. if only C. only if D. as if [答案] A

[解析] 这里是一个让步状语从句,意为“即使我们没有意识到 ”,因此这道题应该选择A。 [分数]

[子题型] [题干] [选项]

A. diluted B. dissolved C. determining D. diffused [答案] A

[解析] dilute 稀释,冲淡;dissolve 溶解;determine决定;diffuse扩散(气体、液体等),使弥漫,故选A。 [分数]

[子题型] [题干] [选项]

A. unusual B. particular C. unique D. typical [答案] B

[解析] unusual 不同寻常的;particular 特定的;unique 独一无二的;typical典型的,故选B。 [分数]

[子题型] [题干] [选项]

A. at first B. at all C. at large D. at times [答案] A

[解析] 这句话的意思是:即使刚刚开始时对这种味道不敏感,但经常闻到后也会对此敏感,在四个选项中只有at first表示“起初,刚开始”,故选A。 [分数]

[子题型] [题干] [选项]

A. ineffective B. incompetent C. inefficient D. insufficient [答案] C

[解析] 这里表示人的大脑不能有效地保持所有的嗅觉器官同时工作,因此这道题应该选C。 [分数]

[子题型] [题干] [选项] A. still B. also

C. otherwise D. nevertheless [答案] B

[解析] 这里用also表示“也能”,故选B。 [分数]