两端点在圆上的线段叫做直径。 []

题型:判断题

问题:

两端点在圆上的线段叫做直径。  

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考点:圆的定义(认识)和圆周率
题型:判断题

阅读下文并回答问题。

Ben is now fifteen years old. He is interested in collecting coins. He has been collecting them for three years. He can still remember how he started to collect them.

Two years ago, on a Saturday morning, Ben was bored.  He didn’t have anything to do. He wasn’t interested in doing anything. He didn’t want to watch TV or listen to the radio. He didn’t want to play sports or read books. “I’m bored,” Ben said. “What can I do? I want to do something interesting.” Ben’s father had an idea. “I have an idea,” his father said. “Why don’t you collect coins? Coins are fun to collect. And coins are everywhere. You see coins every day. Some coins are valuable. They will make you rich.” Since then, he has been collecting them from his parents.

Now Ben has a big piggy bank (存钱罐) which is filled with coins. Sometimes he can take some of them to buy some snacks with his parents’ permission. In March, 2012, there was an earthquake in Yunnan, and Ben donated many of his coins to help the homeless children in Yunnan. He said he was happy to help others who are in trouble.

小题1:What is Ben interested in?

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小题2:Did Ben’s father advise Ben to collect coins?

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小题3:How did Ben feel when he helped others in trouble?

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题型:判断题

请介绍全球通上网58套餐资费标准.

题型:判断题

为防止交叉感染,哪位病人应首先换药( )。

A.脓肿切开引流
B.下肢慢性溃疡
C.冻疮溃烂
D.清创缝合后拆线
E.褥疮

题型:判断题


第16~25小题,要求判断每题给出的条件(1)和(2)能否充分支持题干所陈述的结论.A、B、C、D、E五个选项为判断结果,请选择一项符合试题要求的判断.
A.条件(1)充分,但条件(2)不充分.
B.条件(2)充分,但条件(1)不充分.
C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.
D.条件(1)充分,条件(2)也充分.
E.条件(1)和(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.

实数a,b满足:|a|(a+b)>a|a+b|. (1) a<0 (2) b>-a

题型:判断题

“程序保护开关“是钥匙开关,用于防止()内存程序。

A.干扰

B.叠加

C.破坏

D.加密

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