问题
选择题
在实数2、0、﹣1、﹣2中,最小的实数是( )
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答案
D
根据正数大于0,0大于负数,正数大于负数;即可解答.
解答:解:∵-2<-1<0<2,
∴最小的实数是-2.
故选D.
点评:本题主要考查了实数大小的比较:正实数都大于0,负实数都小于0,正实数大于一切负实数,两个负实数绝对值大的反而小.
在实数2、0、﹣1、﹣2中,最小的实数是( )
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解答:解:∵-2<-1<0<2,
∴最小的实数是-2.
故选D.
点评:本题主要考查了实数大小的比较:正实数都大于0,负实数都小于0,正实数大于一切负实数,两个负实数绝对值大的反而小.
从方框中选出合适的句子,补全对话。 | |
A: What are you doing, Lucy? B: 1 A: Oh. How about me wearing a shirt and tie? B: Where are you going? A: To Mary's birthday party. 2 B: If I were you, I would not wear a shirt and tie. 3 A: Maybe you are right. B: 4 A: Oh, no. B: Really? 5 A: OK! Let's go to buy a present. Be quick!
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