题目内容

汽车下坡减速行驶过程中，其行驶阻力中（）为正值。

A. 空气阻力
B. 惯性阻力
C. 滚动阻力
D. 坡度阻力

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汽车下坡减速行驶时，其行驶阻力中（）为负值。

A. 惯性阻力
B. 空气阻力
C. 坡度阻力
D. 滚动阻力

The disc, digitally_____ in the studio, sounded fantastic at the party that night.

A. recorded
B. recording
C. to be recorded
D. having recorded

With a lot of difficult problems ______, the manager felt worried all the time.

A. to settle
B. settling
C. settled
D. being settled

All the thing______,his proposal is of greater value than yours.

A. considered
B. considering
C. to consider
D. consider