填空题

The risk of epidemics(流行病) may be slightly (high)（）in crowded urban areas than in rural areas.

【参考答案】

higher

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热门试题

单项选择题

A．Make a call.
B．Have a rest.
C．Buy a book.
D．Look for something.

填空题

Because Lily was having a meeting, I was made (wait)（）her for several hours.