单选题：Theydidn'trealizehowserioustheproblemwas.

题目内容：

Theydidn'trealizehowserioustheproblemwas. A．know
B．forget
C．doubt
D．remember

参考答案：

答案解析：

Thefrighteningnewsisspreadacrossthewholecountry.

Thefrighteningnewsisspreadacrossthewholecountry. A．surprising B．boring C．happy

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回答(12)题 A．curve B．line C．axis D．table

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回答(10)题 A．race B．gender C．education D．income

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回答(59)题 A．groups B．divisions C．samples D．categories

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Directions：Study the following cartoon carefully and write an essay at least 10

分类：卫生类题型：单选题