题目内容

The new medication was _____ on 312 subjects with learning difficulties.

A. experimented
B. proved
C. tested

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The temperature was below twenty____centigrade, thus conforming with international ____ (ISO 232). ()

A. degree ... standards
B. grades ... levels
C. level... standards

This family has been __ __C __asplaying a role in controlling the transcription of defense genes [12, 15, 67].

A. proposed
B. recommended
C. suggested

The graph __C__how these values change over time.

A. evidences
B. highlights
C. shows

When I speak of “humility,” I’m not just describing a personality trait some people are born with, although reflecting on the good luck associated with your birth should contribute to your humility. Neither do I mean the sort of humility that focuses on self-deprivation. ()

A. self-service
B. self-reliance
C. self-deprivation
D. self-confidence

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