单项选择题

To test his theory, the chemist ______ an experiment.

A．set up
B．set out
C．set forth
D．set in
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单项选择题
After so many nights of ______, Mrs. Constable decided that she really must see a doctor. She could not continue to lie awake, night after night, worrying about her health.
A．parties
B．frightening dreams
C．sleeplessness
D．loneliness
单项选择题
It is very plain that such a life as this is far more ______ to health than that of the man who can afford little leisure for necessary rest in the course of the day.
A．conductive
B．constructive
C．conciliate
D．conducive
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