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【单选题】
B细胞活化的第二信号是:
A.
CD28与B7结合
B.
CD40与CD40L结合
C.
BCR与抗原结合
D.
CD19与抗原结合
E.
TCR与抗原肽-MHC复合物结合
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【单选题】下列关于“图像大小”对话框的说法中,错误的是
A.
修改“像素大小”区域中的“宽度”数值后,“高度”数值将自动变化
B.
修改“像素大小”区域中的“宽度”数值后,“高度”数值不会自动变化
C.
修改“像素大小”区域中的“宽度”数值后,“文档大小”区域中的“宽度”数值不会自动变化
D.
修改“像素大小”区域中的“宽度”数值后,“文档大小”区域中的“高度”数值会自动变化
【单选题】One fundamental flaw of e-mail phones is that people cannot use it to ______.
A.
receive or send e-mails with attached files
B.
receive attached files with documents
C.
read attached files with graphics
D.
read only messages in the form. of simple text
【单选题】0Re fundamental flaw of e-mail phones is that people cannot use it to
A.
receive or send e-mails with attached files.
B.
receive attached files with documents.
C.
read attached files with graphics.
D.
read only messages in the form. of simple text.
【简答题】阅读理解:People in some countries cannot use their native language for Web addresses. Neither can Chinese speakers, who have to rely on pinyin. But last Friday, ICANN, the Web’s governing body, approved t...
【单选题】We can infer from the 2nd paragraph that:
A.
people in poor countries cannot use computer because of illiteracy.
B.
poor people cannot use computers.
C.
there would be no magic to cause a computer to appear in every household on earth.
D.
people in poor countries need more basic living conditions than computers.
【判断题】绸缎面料的画法,主要运用渲染的方法来表现
A.
正确
B.
错误
【判断题】The use of the passive voice cannot soften a request.()
A.
正确
B.
错误
【判断题】7420的第3引脚可以空置(悬空)。
A.
正确
B.
错误
【单选题】People cannot use mobile payment to pay in hospitals and on buses.
A.
True
B.
False
C.
Not mentioned
【单选题】What do some people use the Internet for?
A.
Some people need it for their job.
B.
They use it to find a job.
C.
Some people use it.
D.
They cannot use it at work.
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