填空题

Many big cities in the world__________( 正面临着淡水资源短缺的问题).

【参考答案】

are facing the problem of lack/shortage of water resources
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单项选择题
People who are to be unhappy______.
A．always consider things differently from others
B．usually are influenced by the results of certain things
C．usually have a fault-finding habit
D．can discover the unpleasant part of certain things
填空题
__________(给我印象最深的)were her liveliness and sense of humor.
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