单项选择题

Because alcohol is a solvent, it is a component of many liquid medicines.

A．basic ingredient in making medicines
B．combination of things of different qualities
C．one of the parts that make up a whole
D．substance that helps to cure certain diseases
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单项选择题
Initially his book did not receive much attention, but two weeks after the critic's review appeared in the newspapers, it climbed to the best sellers' list.
A．At first
B．First of all
C．At first sight
D．From the first
单项选择题
The foreign minister would reveal nothing about his recent tour of the Middle East beyond what had already been announced at the press conference.
A．as for
B．in addition to
C．along with
D．in relation to
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