2. 计算机
  3. ______ has become a fact of modem life, with millions of people now shopping on-line. A．E-mail B．E-commerce C．E-learning D．E-com

______ has become a fact of modem life, with millions of people now shopping on-line. A．E-mail B．E-commerce C．E-learning D．E-com

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问题 ______ has become a fact of modem life, with millions of people now shopping on-line.
A．E-mail
B．E-commerce
C．E-learning
D．E-communication
选项 A、 
B、 
C、 
D、 
答案B
解析
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