单项选择题

Too much ______ to radiation can cause cancer or other damage to the body.

A．contact
B．exposure
C．disclosure
D．exhibition
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单项选择题
His illness is not ______ cause anxiety.
A．so that
B．so as to
C．such that
D．such as to
单项选择题
Could you lend me the bestseller when you get ______ it
A．by
B．over
C．through
D．on
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