【判断题】【消耗次数：1】
一台上网的电脑只能使用一个E-Mail账号。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
下面格式正确的E-mail地址是( )。
①
bill-gates@microsoft
②
boozhang@ustc.edu.Cn
③
yongli.inpme.com@
④
@bill-clinton.whitehouse.gov
【单选题】
E-Mail系统一般由（ ）构成。
①
邮件服务器、邮件主机、邮件中继
②
邮件服务器、邮件主机、邮件网关
③
邮件主机、邮件中继、邮件网关
④
邮件服务器、邮件主机、邮件中继、邮件网关
【单选题】
下列关于检查E-mail地址合法性的说法正确的是（ ）
①
虚如果第一个及最后一个是“.”，则E-mail非法
②
把用户填写的E-mail地址利用@进行分割，然后赋值给names数组
③
如果@的数量不等于1，即names数组包括两个元素，则则E-mail地址非法
④
以上都正确
⑤
判断一个数据元素，如果长度小于等于0，或不包含字母、数字及“_-.”中的其一，则E-mail非法
随机题目
【单选题】
―______?―Id like to send this parcel to one of my friends.
①
What are you doing here
②
Whats your name
③
Where are you from
④
How may I help you
【单选题】
Not until the pretty woman opened her mouth and spoke, ______she was a foreigner.
①
did I realize
②
had I realized
③
I had realized
④
I realized
【单选题】
Many passengers for a plane journey would like to reserve a ______ seat or aisle seat.
①
vision
②
view
③
glass
④
window
【单选题】
I have lost my white hat. I______ it somewhere.
①
must be dropping
②
must have dropped
③
must have been dropped
④
must drop
【单选题】
Only when we landed______ how badly the plane had been damaged.
①
we realized
②
did we realize
③
had we realized
④
we had realized
【单选题】
InIndiamorethanthree hundredlanguagesarespoken,______whichonlyfourteenarerecognizedasofficial.
①
of
②
in
③
with
④
within
【单选题】
HelenKeller,whowasbothblindand______,overcameherinabilitywiththehelpofherteacher,AnnSullivan.
①
deafness
②
deafening
③
deaf
④
deafened
【单选题】
How much do you ______for this package tour? Can I get a discount?
①
charge
②
change
③
choose
④
chase
【单选题】
IlikewatchingTV_______tothecinema.
①
more than to go
②
more than going
③
than going
④
rather than to go