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题目内容
（西安石油大学大学英语二）
If it were as cheap and easy to get ________ here as in America, the British might double their time at the computer.(本题1.5分)
A、 off line
B、 online
C、 internet
D、 on line
A、 off line
B、 online
C、 internet
D、 on line
参考答案