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【单选题】
Which of the following statements about Facebook is INCORRECT?
A.
It's a popular social networking site with 800 million users.
B.
It requires all the users to use their real identities.
C.
Users who are younger than 13 can't use it.
D.
It encourages parents to help children to get online.
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参考答案:
举一反三
【单选题】定时器1和定时器3分别是( )位的定时器。
A.
16,16
B.
8,8
C.
16,8
D.
8,16
【单选题】蛋白质中的a-螺旋与β-折叠属于 ( )。
A.
一级结构
B.
二级结构
C.
三级结构
D.
四级结构
【单选题】蛋白质中的α-螺旋与β-折叠属于
A.
一级结构
B.
二级结构
C.
三级结构
D.
四级结构
E.
高级结构
【简答题】We are all busy talking about and using the Internet but how many of us know the history of the Internet? Many people are surprised when they find that the Internet was set up in the 1960s. At that ti...
【简答题】We are all busy taking about and using the Internet. But how many of us know the history of the Internet? Many people are surprised when they find that the Internet was set up in the 1960s. At that ti...
【单选题】Multipurpose Internet Mail Extension (MIME)is a(76)document messaging standard in the Internet environment. With MIME, users can send(77)E-mail messages that include audio, video, graphices, and text ...
A.
complete
B.
compound
C.
simple
D.
efficient
【单选题】采用分批法计算产品成本,若是小批生产,出现批内陆续完工的现象,并且批内完工数量较多时,完工产品和月末在产品成本的计算应采用( )。
A.
计划成本法
B.
定额成本法
C.
按年初固定数计算
D.
约当产量法
【单选题】定时器1和定时器3分别是( )位的定时器。
A.
8,16
B.
16,8
C.
16,16
D.
8,8
【单选题】定时器1和定时器3分别是( )位的定时器。
A.
16,8
B.
8,16
C.
16,16
D.
8,8
【简答题】Internet是指(__);而internet是指(__)。
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