单项选择题

Noise-induced hearing loss is ______.

A．apparent
B．quick
C．rough
D．unnoticed
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单项选择题
He is inexperienced and not capable ______ the job.
A．for
B．in
C．of
D．about
单项选择题
By the time this talk is over, we ______ a lot about the earth.
A．shall be learning
B．would learn
C．are learning
D．shall have learnt
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