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【单选题】
下面的协议中,用于电子邮件E-mail传输控制的是( )。A.
SNMP
B.
SMTP
C.
HTTP
D.
HTML
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【简答题】short conversations
【简答题】A．X线穿透性 B．X线荧光效应 C．X线摄影效应 D．X线电离效应 E．X线生物效应 X线照像的基础是( )
【单选题】short conversations
A.
It was better than expected
B.
It was a complete success
C.
It didn’t turn out as expected
D.
It was canceled
【单选题】Short Conversations
A.
He has to sit at the computer for half an hour.
B.
He will stop to enjoy a coffee break.
C.
He will finish his report soon.
D.
He cannot afford to have a coffee break.
【简答题】A．x线穿透性 B．x线荧光效应 C．x线摄影效应 D．x线电离效应 E．x线生物效应 x线照像的基础是( )
【单选题】Short Conversations .
A.
She can’t understand the man’s point of view .
B.
The man should earn the bread.
C.
The man is responsible for the family.
D.
She can’t agree more with the man.
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