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改错题:如果收到对方归还的钱物,不仅写收条,还要把原来写的借条当场销毁,以示钱物还清。请改为:__________。
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【简答题】多元体系中各组分的摩尔分数之和为( )
【单选题】Doctors are of the opinion that most people cannot live beyond 100 years, but a growing number of scientists believe that the aging process can be controlled. There are more than 12,000 Americans over...
A.
expected life span
B.
population control
C.
retirement benefits
D.
old-age problems
【单选题】Doctors are expected to be ______ and responsible.
A.
stimulating
B.
diverse
C.
virtuous
D.
instant
【单选题】Doctors are expected _______ at any hour of the day.
A.
calling
B.
to call
C.
being called
D.
to be called
【简答题】Doctors are generally expected to make their utmost effort when it comes to the lives of our own and our beloved ones.
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