1. Heavy fog made the morning light ____.

A) brightB) distortedC) dimD) filthy

2.The travel industry plays a major role in the ____ of business, recreation, and family life.

A) sphereB) scalesC) surplusD) surveys

3.He was dismissed for failing to ____ with the school regulations.

A) accommodateB) comply C) competeD) apply

4.Some science students reach a high ____of English competence in communication.

A) levelB) planeC) surfaceD) live

5.Everyone should be ____ innocent until it is proved that he is guilty.

A) presumedB) assumedC) resumedD) consumed

答案与解析：

1.C。

dim不明亮，朦胧的;distorted扭曲的;filthy不洁的、污秽的。

2.A。

sphere范围、领域;scale规模;surplus多余的;survey调查。

3.B。

comply with为固定搭配，意为"遵守"，符合题意。

4.A。

level水平;plane平面;surface表面;line线。

5.B。

assume sb. to be"认为……是……"，符合题意。