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

A) indefinitely

B) infinitely

C) optimistically

D) seemingly

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

A) simultaneously

B) spontaneously

C) homogeneously

D) contemporarily

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

A) vain

B) vicinity

C) court

D) jail

9.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

10.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

答案：

6. D 参考译文：她仍然保持信心，看上去不为我们目前的问题所烦恼。

A) indefinitely 不确定地

B) infinitely 无限地

C) optimistically 乐观地

D) seemingly 表面上

7. A 参考译文：光纤电缆可以同时传送数百个电话。

A) simultaneously 同时地

B) spontaneously 自发地

C) homogeneously 同类地

D) contemporarily 现代地

8. B 参考译文：有人向警方报警说逃犯可能就在附近。

A) vain 徒劳

B) vicinity 附近

C) court 法院

D) jail 监狱

9. B 参考译文：无论你活着是为了吃饭，还是吃饭是为了活着，食物总是每个家庭预算的主要开支项目。

A) nutrition 营养

B) expenditure 支出

C) routine 惯例

D) provision 预备

10. D 参考译文：<科学>杂志上刊登的一篇论文指出：岩石中的有机化学成分大部分来自地球本身的污染物，而不是来自于火星上的细菌。

A) configuration 轮廓

B) constitution 宪法

C) condemnation 谴责

D) contamination 污染菌