题目内容

About a quarter of the workers are jobless because of the economic crisis.

A. third
B. fourth
C. tenth
D. fifteenth

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Five years have passed but the consequence of the research is still in doubt.

A. outcome
B. judgment
C. estimation
D. effect

It is impossible to complete the task in a day.

A. probable
B. usual
C. unlikely
D. hopeless

对城镇缺水地区的缺水原因叙述有误的是()。

A. 没有按规定建设消防供水系统
B. 缺乏天然水源
C. 消防供水管网管径大、压力高、未形成环状
D. 天然水源距火场很远

He found out the proper answer after thinking carefully.

A. bad
B. good
C. wrong
D. right

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