2015年职称英语综合类精选练习题(6)

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1. Although the researchers have only just made the technical details of the microscope public, it is already on sale. It is currently the size of a refrigerator and takes several minutes to scan a circuit, but Xiao and Schrag are working ________.

A.to take tiny chips we require

B.to making chips any smaller

C.to shrink it to the size of a desktop computer and cut the scanning time to 30 seconds

D.of conducting electricity

正确答案： C

答案解析：这部分所说的体积的减小和所需时间的缩短恰好与前半句中提到的冰箱大小的体积和所需数分钟的时间形成了对比。即：目前它大约像冰箱那么大，而且要用几分钟扫描一个电路，但是他们正在努力使它缩小到台式计算机那么大，把扫描时间缩短到30秒。

2. 1. According ______ some Greek writers on medical history ，the outbreak of 412 B.C. was of influenza.

A.at

B.to

C.in

D.from

正确答案： B

答案解析：四个选项中、只有to 可以与according 连用，意为“根据，按照”。

3. Developing countries bear the brunt of the problem due to the presence of a wide ______ of foodborne diseases.

A.range

B.distance

C.order

D.arrangement

正确答案： A

答案解析：a wide range of foodborne diseases 表示各种各样的食源性疾病。

4. Every person is ______ risk of foodborne illness.

A.with

B.within

C.at

D.in

正确答案： C

答案解析：at risk of 为一固定介词短语，表示“有……危险的”。另外三个介词选项都不能与risk 相搭配，因此答案为C 。

5. These efforts are in response ______ an increasing number of food safety problems and rising consumer concerns.

A.to

B.against

_____________________________________________________________________

C.with

D.towards

正确答案： A

答案解析：in response to 是一介词短语，为固定搭配，表示“对……作出反应"，因此答案为A 。

6. Walking ，swimming ，skating are among the sports that one can enjoy and safely participate ______ throughout life.

A.with

B.from

C.in

D.on

正确答案： C

答案解析：四个选项中只有in 可与participate 连用，意为“参加"，in 的宾语是引导定语从句的关系代词that 。

7. For them moderation is ______ vital importance.

A.against

B.below

C.on

D.of

正确答案： D

答案解析：本句中is 后面应该是表语部分，四个选项中只有of 合适，of importance=important ，of vital importance=very ，very important 。

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