已知圆的半径是r，圆的周长是（）。

首页 / 小学数学 / 试题详细

已知圆的半径是r，圆的周长是（）。

登录免费查看答案和解析

相关试题

----Whose is that book?
----It _________ belong to Lucy. Her name is on it.

A．must

B．mustn't

C．might

D．can't

收藏答案/解析

----He is ____________ the cleverest student I've ever taught.
---- Yap! And he is always patient and kind-hearted.

A．all of a sudden	B．without doubt
C．at the same time	D．in that case

收藏答案/解析

----Smoking should not ____________ in school.
----I agree. It’s bad for our health.

A．be allowed

B．allow

C．be required

D．require

收藏答案/解析

----Martin Murray used to be afraid of being __________.
----But now he realizes that his mother is always there for him.

A．proud

B．absent

C．alone

D．active

收藏答案/解析

----I __________ whether June is a good time to visit Hong Kong.
----Well, it’s believable that the weather then in Hong Kong is satisfying.

A．wonder

B．regret

C．warn

D．expect

收藏答案/解析

热门套卷

粤ICP备20024846号

声明：本网站部分内容由互联网用户自发贡献自行上传，本网站不拥有所有权，也不承担相关法律责任。
如果您发现有涉嫌版权的内容，欢迎发送邮件至：service@youtike.com 或联系QQ：267757 进行举报，一经查实，本站将立刻删除涉嫌侵权内容。