单项选择题

Traditional Chinese Medicine is a great （）for our nation.

A．treasure
B．resolution
C．pleasure
D．standard

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单项选择题

In face of （）failure，it is the most important to keep up（）good state of mind.

A.不填；a
B.a；不填
C.the；a
D.不填；the

单项选择题

It was only with the help of the local guide（）.

A.was the mountain climber rescued
B.that the mountain climber was rescued
C.when the mountain climber was rescued
D.then the mountain climber was rescued