设a="Yang□","b=zhou",□表示一个空格,则a-b的值为().A、"Yangzhou"B、"□Yangzhou"C、"Yangzhou□"D、"Yang□zhou"

题目

设a="Yang□","b=zhou",□表示一个空格,则a-b的值为().

  • A、"Yangzhou"
  • B、"□Yangzhou"
  • C、"Yangzhou□"
  • D、"Yang□zhou"
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相似问题和答案

第1题:

Yangzhou pork balls is one of the popular dishes of()

A.Sichuan cuisine

B.Guangdong cuisine

C.Huaiyang cuisine

D.northern cuisine


参考答案:C

第2题:

This is the _____ house in which Mr.Zhou once lived.

A.certain

B.sure

C.real

D.very


答案:D 

第3题:

C)书面表达(10分)

Zhou Hui和Ge Bin是“一帮一”活动中结成的一对学习伙伴。 Zhou Hui在Ge Bin的帮助下有了明显的进步。请根据下表信息写一篇60字左右的短文。(开头已写出,不计入总词数)

Zhou Hui

In the past

didn’t listen carefully in his claslike to play computer games every day

Ge Bin

Now

study hard

get on well with his classmates

Make Zhou Hui be interested in his study

Help Zhou Hui with his study


正确答案:
One possible version
We are very glad that Zhou Hui has made great progress. But in the past he didn’t listen carefully in class. He also liked to play computer games every day. Ge Bin is Zhou Hui’s classmate and friend. He tried his best to make Zhou Hui be interested in his study and help him with his study after school. With his help, Zhou Hui studies very hard and gets on well with his classmates now.(65词)

第4题:

在RHEL系统中,执行“userdel yang”命令后将在系统中完成()操作。

A.删除用户账号yang

B.删除用户yang的宿主目录

C.删除属主为yang的所有文件

D.删除yang所属的附加组账号


参考答案A

第5题:

I ______ in Guang Zhou for six years by this October.

A、have lived

B、was living

C、will be living

D、shall have lived


正确答案:D

第6题:

Does Yang Yang eat healthy food?(作肯定回答)

_________,_________ _________


正确答案:
 50. Yes ;he/she does

第7题:

以下哪些属于合法的NETBIOS名称()

A.JAMWSWANG

B.YANJIAN410

C.23YANG


参考答案:A, B

第8题:

下列合法的电子邮件地址是( )。

A hou-em.Hxing.com.cn

B em.hxing.com, cn-zhou

C zhou@em.Hxing.com.cn

D zhou, Em.hxing.com.cn@zhou


参考答案:C

第9题:

设∪表示集合的并运算,∩表示集合的交运算,表示集合A的绝对补, A-B表示集合A与B的差,则A-B=(55)。

A.A∪(A∩B)

B.A∪

C.A∩(A∪B)

D.A∩


正确答案:D
解析:设任意两个集合A和B,所有属于A而不属于B的一切元素组成的集合S,称做B对于A的差集(或相对补),记作S=A-B。设E为全集,对任一集合A关于E的补E-A,称为A的绝对补。根据这个定义,显然A-B=A∩。

第10题:

在考生文件夹下MAO文件夹中建立一个新文件夹YANG。


正确答案:
新建文件夹①打开考生文件夹下的MAO文件夹;②选择【文件】l【新建】|【文件夹】命令,或右击,弹出快捷菜单,选择【新建】l【文件夹】命令,即可生成新的文件夹,此时文件(文件夹)的名字处呈现蓝色可编辑状态。编辑名称为题目指定的名称YANG。