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【单选题】
从网络安全威胁的承受对象看，下面哪个不属于电子商务安全的威胁（）A.
对www服务器的安全威胁
B.
对交易制度的安全威胁
C.
对通讯设备、线路的安全威胁
D.
对数据库的安全威胁
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【简答题】Han Lin is one of their friends here.Hah Lin is a friend ______ ______ here.
【简答题】3 A. Sami fell asleep in class, everyone laughed. B. Sami fell asleep in class everyone laughed. C. Sami fell asleep in class, and everyone laughed.
【简答题】完形填空。 Tom: Hello! Lin Tao. Lin Tao: 1 ! Tom. Tom: How are you? Lin Tao: 2 , 3 . 4 you? Tom: I'm fine, 5 . Lin Tao: Look! My teacher,Mr Chen is coming. Good morning! Mr Chen. Mr Chen: Good morning! Lin...
【简答题】补全对话。 Sam: Who's that, Mum? Mum: ______(1) Sam: Oh, it's Lin Tao. Hello, Lin Tao. Lin Tao: Hello, Sam. ______(2) Sam: Fine, thank you. And you? Lin Tao: I'm fine, too, thanks. Sam: ______(3) This way,...
【单选题】—Who likes apples very much? —________ [ ]
A.
Lin Tao is.
B.
Lin Tao do.
C.
Lin Tao can.
D.
Lin Tao does.
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