1. By ________ computation, he estimated that the repais on the house would cost him a thousand dollars.

A. coarse B. rude C. rough D. crude

2. The police were alerted that the escaped criminal might be in the ________.

A. vain B. vicinity C. court D. jail

3. The statue would be perfect but for a few small ________ in its base.

A. mistakes B. weaknesses C. flaws D. errors

4.This light shelf is strong enough to _______ all the books here.

A. wipe B.wax C.survey D.sustain

5. In the big flood, only 20 percent of the people in that village __________.

A. remained B. stayed C. lived D. survived

答案与解析：

1.C。A. coarse粗糙的;B. rude 粗鲁的;C. rough崎岖的，D. crude 粗的，粗鲁的。

2.B。A. vain空的，空虚的;B. vicinity在附近(in the vicinity);C. court法院;D. jail监狱。

3.C。A. mistakes 错误，误差;B. weaknesses 弱点;C. flaws差错，瑕疵;D. errors 误差，错误。

4.D wipe 擦，拭;擦去，消除;涂上;刷卡;wax 给……打蜡，给……上蜡;渐渐变大;变为;(月亮)渐圆，渐盈survey 调查;勘测;俯瞰;sustain维持;支撑，支持;遭受，忍受;供养。

5.D remain 留下, 逗留。stay 停留。 live 居住; 住。survive 幸存, 活下来。