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A．atmosphere
B．environments
C．conditions
D．situations
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单项选择题From where will the researcher get the permission for the new drug

A．The American Government.
B．The City Hospital
C．The Medical Research Institute
D．The U. S. Food and Drug Administration.

单项选择题What is the newly developed drug for

A．To produce a better and safer pregnancy.
B．To enable woman to have multiple births.
C．To balance the hormone.
D．To test whether a woman is pregnant or not.