单项选择题

It is essential that mankind ______ ways and means to protect the environment.

A．adopt
B．have adopted
C．will adopt
D．will have adopted
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单项选择题
Take your raincoat ______ it should rain.
A．in case
B．in case of
C．in the case of
D．in case with
单项选择题
You will soon ______ this climate and then the changes in temperature will not affect you.
A．get used to
B．get to
C．get over
D．get on with
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