单选题：The government warned the people of being careful about this

题目内容：

The government warned the people of being careful about this kind of contagious disease. A．infectious
B．serious
C．fatal
D．worrying

参考答案：

答案解析：

That uniform makes the guards look absurd.

That uniform makes the guards look absurd.A．serious B．beautiful C．impressive D．r

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