单项选择题

Because fuel supplies are finite and many people are wasteful, we will have to install_______ solar heating device in our home.

A．some type of
B．some types of a
C．some type of a
D．some types of
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单项选择题
There are occasions when giving a gift ______ spoken communication, since the message it offers can cut through barriers of language and cultural diversity.
A．overtakes
B．nourishes
C．surpasses
D．enforces
单项选择题
Prance controlled Syria________
A．before the First World War
B．from 1516 until the end of the First World War
C．from 1516 to Syrian independence
D．from the end of the First World War to 1946
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