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问题 单项选择题

火灾发生时，不宜采用的逃生方式是( )。

A．及时报警

B．按理行李

C．用湿毛巾捂住鼻子

D．浓烟中在地上爬行

答案

参考答案：B

选择题
— Jane wasn't in when Jack came, was she?
— _______, but she left a few minutes later.

A. No, she was
B. Yes, she was
C. Yes, she wasn't
D. No, she wasn't
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单项选择题 B型题

断口呈贝壳状，暗红色，具树脂样光泽的药材是（）

A．石膏

B．信石

C．朱砂

D．赭石

E．雄黄
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