单项选择题

Are today’s students more emotionally （） than their predecessors

A. crisp
B. brittle
C. delicate
D. fragile

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单项选择题

A. encounter
B. escalate
C. resolve
D. ignore

单项选择题

This kind of word has been （）to save space.

A. cut back
B. cut out
C. cut off
D. cut away

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