题目内容

The 20th century has witnessed an enormous worldwide political, economic and cultural _____.

A. transformation
B. transportation
C. transmission
D. transition

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The statistical figures in this paper are not _____. You should not refer to them.

A. vigorous
B. accurate
C. rigid
D. fixed

It is necessary for a qualified teacher to have good manners and _____ knowledge.

A. intense
B. tense
C. intensive
D. extensive

It has been reported that some officials _____ the authority and position to get illegal profits for themselves.

A. exploit
B. abuse
C. overlook
D. employ

Something unexpected happened in my company when I was on vacation, and the situation required that I ______ there, so I had to end my vacation.

A. am
B. be
C. being
D. been

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