单项选择题

Any work performed by the body, no matter how small the amount, ______energy, whether one is at work or asleep.

A．spends
B．expends
C．takes
D．costs
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单项选择题
Malaria, it is true, has been practically______ in thirteen countries, including the United States, and is under attack in many others.
A．wiped out
B．died out
C．put out
D．kept out
单项选择题
As I spoke I observed a large dog lying on the sunny grass beneath______ its ears as if about to bark.
A．raise
B．raised
C．to raise
D．raising
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