单项选择题

Geologists use special equipment to ______ the existence of valuable minerals beneath the earth' s surface.

A．inspect
B．detect
C．indicate
D．evaluate
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单项选择题
Is it ______ you are born that decides your nationality
A．there
B．where
C．anywhere
D．the country
单项选择题
Exceeding speed limits and ______ safety belts are two common causes of automobile death.
A．not having worn
B．not to wear
C．failing to wear
D．don't wear
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