题目内容

Some scientists say it is essential that mankind______the amount of air pollution in big cities.

A. reduce
B. reduces
C. reduced
D. must reduce

查看答案

搜索结果不匹配？点我反馈

更多问题

A．greatlyB．decentlyC．badlyD．attractively

A. greatly
B. decently
C. badly
D. attractively

It isn't easy to______to a new country and its customs.

A. adopt
B. adapt
C. admit
D. accept

Statistical figures show that it is______that smoking will damage one's health.

A. indispensable
B. inevitable
C. independent
D. indifferent

The moon is not a planet______the planets in many aspects.

A. although it resembles
B. resembling
C. which resembles
D. resembled