单项选择题

A: You seem to be having some problems. B:_______I’ll manage.

A．I’m afraid not.
B．Are you sure
C．Is it so
D．It’s all right.
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填空题
A．emerged B．rooted C．originated D．appeared
单项选择题
The example of sportsmen shows that ________.
A．sunglasses protect people from harassment
B．sunglasses create a desirable image
C．the public are eager to following them
D．they over-emphasize the role of sunglasses
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