单项选择题

The theory is of great importance ______ the hotter a body is, the more energy it radiates.

A．that
B．when
C．which
D．what
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单项选择题
It is highly desirable that a new president ______ for this college.
A．is appointed
B．will be appointed
C．be appointed
D．has been appointed
单项选择题
If English study is to contribute to your future competence ______, it should be learnt systematically.
A．more than showing up
B．rather than showing up
C．rather than to show up
D．more than to show up
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