单项选择题

What’s the woman suggesting to the man

A．He should not do the experiment after all.
B．He must be extremely careful.
C．She will help him do the experiment.
D．She’s sure he is right.
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单项选择题
What are the speakers going to do
A．Check their computer files.
B．Make some computations.
C．Study a computer program.
D．Assemble a computer.
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