半圆的面积是整圆面积的一半,半圆的周长就是整圆周长的一半。[ ]

题型:判断题

问题:

半圆的面积是整圆面积的一半,半圆的周长就是整圆周长的一半。  [ ]

考点:圆的面积圆的周长
题型:判断题

     Mark Twain was an American writer.One day he went to a city by train.He wanted to see one

of his friends there.He was a very busy man.He usually forgot something.When he was in the train,

the conductor(列车员)asked him for his  ticket.Mark Twain looked for the ticket here and there,

but he couldn't find it.The conductor knew Mark Twain.She said,"Show me your ticket on your

way back.And if you can't find it,it doesn't matter." "Oh,but it does," said Mark Twain."I must find

the ticket.if I can't find it,how can I know where I'm going?"

1.One day Mark Twain went to ________ by train.

A.see a film

B.see one of his friends

C.see the writers

2.Mark Twain usually forgot something because ________.

A.he was usually ill

B.he couldn't remember anything

C.he was very busy

3.The conductor ________ Mark Twain.

A.knew

B.didn't know

C.wanted to know

4.When he was in the train,the conductor wanted to ________.

A.talk with him

B.know his name

C.see his ticket

5.If Mark Twain couldn't find his ticket,________.

A.he had to buy another one

B.he had to get off the train

C.he couldn't know where he was going

题型:判断题

下列关于网桥的描述中,错误的是( )。

A.网桥的标准有两个

B.网桥是数据链路层上实现互联的设备

C.网桥可以提供物理层和数据链路层协议不同的局域网的互联,但更上层的协议必须相同

D.网桥不能连接两个传输速率不同的网络

题型:判断题

12岁女性,自10岁起下肢青紫,逐渐加重。体检:胸骨左缘第2肋间闻及2/6级收缩期杂音,P2亢进。血气分析提示:右桡动脉血氧饱和度96%,股动脉血氧饱和度80%。最可能的诊断是()

A.房间隔缺损

B.室间隔缺损

C.动脉导管未闭

D.法洛四联症

E.肺动脉狭窄

题型:判断题

电子分色机是()的设备。

A.图像输入

B.文字输入

C.图文输出

D.印版制作

题型:判断题

账务处理模块中各种正式会计账簿中的数据都来源于( )。

A.刚录入凭证

B.已审核的凭证

C.已查询的凭证

D.已记账的凭证

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