单项选择题

Is it necessary to______ our body to the sunlight

A．reveal
B．display
C．expose
D．show
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单项选择题
It is highly desirable that a new president______ for this college.
A．appointed
B．is appointed
C．be appointed
D．has been appointed
单项选择题
______ your poor record in school, we think you should study harder.
A．In spite of
B．In charge of
C．In view of
D．In case of
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