单项选择题

Workers had to work under terrible（）in the preliberation days.

A．situation
B．conditions
C．circumstances
D．environment

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单项选择题
We must try our best to protect some of the（）cultural treasures.

A．rare
B．precious
C．valuable
D．worthy
单项选择题
Six months after the accident, Tom（）

A．went to blind
B．went blind
C．went for blind
D．went to be blind
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