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问题 选择题

在有理数-3，-（-3），|-3|，-32，（-3）2，（-3）3，-33中，负数的个数是（　　）

A．3

B．4

C．5

D．6

答案

-（-3）=3，|-3|=3，-32=-9，（-3）2=9，（-3）3=-27，-33=-27，

故负数有：-3，-32，（-3）3，-33共有4个．

故选B．

连词成句

连词成句

1. told, him, I, I, would, to, beijing, go, that

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2. people, bargain, don’t, America, in

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3. told, me, that, he, he, would, pay, one, hundred, yuan

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4. said, that, he, he, would, go, to, see, his, grandfather

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5. said, that, he, he, would, buy, a, new, bike

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单项选择题

疠气致病，“无论老少强弱，触之者即病”的情况，是下列哪项起着主导作用

A．正气旺盛

B．邪气致病

C．正气虚衰

D．正胜邪负

E．正邪两者
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