题目内容

Accidents from carelessness.

A. rise
B. raise
C. arise
D. increase

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We ask all ex-trainees to provide us with a (n) _____ of the courses they took.

A. appreciation
B. evaluation
C. realisation
D. admiration

The university library has a large ______ of books.

A. to vary
B. various
C. variety

They are ______ that the river would flood.

A. fearful
B. terrible
C. awful
D. crazy

Fresh air is ______ to good health.

A. fundamental
B. elementary
C. basic
D. important

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