单项选择题

(Over) (the past) few years, medical researchers (are searching) for a means (to control) AIDS virus

A．Over
B．the past
C．are searching
D．to control

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单项选择题

(A general hospital) is one (which) patients (with) all kinds of diseases (are treated).

A．A general hospital
B．which
C．with
D．are treated

单项选择题

______ he told us was the news ______ China had won 32 gold medals in the Athens Olympic Games, ______ , of course, made us feel very excited.

A．What; which; which
B．That; that; which
C．What; that; which
D．That; that; what

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