单项选择题

Disease can be______, if not more so, to the well-being and progress of a nation than wars or economic depressions.

A．as harmful as
B．harmful
C．as harmful
D．harmful as
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单项选择题
Although, some students graduate from high school, they are virtually illiterate______ writing a business letter.
A．in the event of
B．in the light of
C．in case of
D．in terms of
单项选择题
For years she suffered from the______ that her daughter who had died might come back to her.
A．idea
B．fancy
C．imagination
D．illusion
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