− 2 的倒数是{"A":"2","B":"12","C":"\u221212","D":"\u2212\u200a\u200a2\u200a "}_刷题宝

题干

− 2 的倒数是（）

A： $2$

B： $\frac{1}{2}$

C： $- \frac{1}{2}$

D： $- 2$

上一题下一题 0.0难度选择题更新时间:2018-04-28 10:06:15

答案(点此获取答案解析）

C

同类题1

如图所示，在斜面底端的正上方h处水平越出一个物体，飞行一段时间后，垂直地撞在倾角为45°的斜面上．可知物体完成这段飞行的时间是（）

同类题2

执行如图所示的伪代码，输出i的值为____．

同类题3

中东地区跨亚非两洲的国家是（）

同类题4

----Why are the housing prices in big cities going up all the time?
----One reason is that people are__________ into overcrowded cities in great numbers.

同类题5

读—读，填上适当的句子完成对话，每句限用—次

A. I ride my bicycle.

B. I live near the school.

C. Me too.

D. About twenty minutes.

E. I walk to school.

F. I come to school by bus.

Mr. Wang: How do you come to school, Alice?

Alice: I come to school on foot. ____

Mr. Wang: Do you come to school on foot, Jack?

Jack: No, I don't. ____

Mr. Wang: How long do you stay on the bus?

Jack: ____

Danny: Oh, you're tired. ____

Peter: ____

Danny: Let's ride together tomorrow.

Peter: OK.

小学学科试题库

初中学科试题库

高中学科试题库