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

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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

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