单项选择题

It is imperative that the students ______ writing their papers by the end of the month.

A．finish
B．must finish
C．will finish
D．are to finish
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单项选择题
The heart is an important organ of circulation ______ function is to pump blood to all parts of the body.
A．which
B．whose
C．of it
D．its
单项选择题
The newly developing science of artificial intelligence aims at programming the computer to think, reason and react ______ people do.
A．by the same way as
B．in much the same way that
C．with the same way as
D．as much as the same way that
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