题目内容

SESAR的空中间隔保障系统意义在于,让管制员配备飞行间隔,并优化流量

A. 对
B. 错

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One’s ________ are supposed to be as good as his words.

A. acts
B. deeds
C. action
D. behavior

From tomorrow on, a (an) ________ “Save our Earth, save our life” will be carried out throughout the country.

A. activity
B. move
C. campaign
D. event

John, what puts you in such high ________? Any good news?

A. price
B. mood
C. happiness
D. spirits

I take Mr. Lin as a role ________ in English learning.

A. friend
B. model
C. partner
D. peer

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