题目内容

We are _______________(constant)being reminded to cut down our fat intake.

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Airplanes can be the best for traveling large distances in a short amount of time.()
Opting for the train saves you hassle at the airport.()
Trip goals and personal preferences should be linked.()
Bus rides might promote health.()

The secretary is trying to ________(schedule) the month’s appointments.

It is by no(mean)_____easy to forget his good behavior.

设G是非零数乘法群,下列映射是G到G的同态映射是()。

A. f(x)=2x
B. f(x)=|X|
C. f(x)=X
D. f(x)=x+1

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