考博英语词汇语法练习（二十）

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1.She remains confident and ______ untroubled by our present problems.

A) indefinitely

B) infinitely

C) optimistically

D) seemingly

2.Fiber-optic cables can carry hundreds of telephone conversations ______.

A) simultaneously

B) spontaneously

C) homogeneously

D) contemporarily

3.The police were alerted that the escaped criminal might be in the ______.

A) vain

B) vicinity

C) court

D) jail

4.Whether you live to eat or eat to live, food is a major ______ in every family's budget.

A) nutrition

B) expenditure

C) routine

D) provision

5.Now a paper in Science argues that organic chemicals in the rock come mostly from ______ on earth rather than bacteria on Mars.

A) configuration

B) constitution

C) condemnation

D) contamination

6.There is much I enjoy about the changing seasons, but my favorite time is the ______from fall to winter.

A) transmission

B) transformation

C) transition

D) transfer

7.I think we need to see an investment ______ before we make an expensive mistake.

A) guide

B) entrepreneur

C) consultant

D) assessor

[答案]

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