单项选择题

Fossil fuels cause all of the following EXCEPT

A．acid rain.
B．metal rusting.
C．dying goods.
D．greenhouse effect.
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单项选择题
According to the author, which of the following statements is true
A．The Internet provides a lot of reading materials only.
B．The Internet defies the international boundaries.
C．The Internet will equalize the technical differences.
D．The Internet will affect our modem life by no means.
单项选择题
The Internet is improving by leaps and bounds every day because it
A．is easier to learn than merely face-to-face.
B．provides an excellent and powerful resource.
C．is increasingly equal and affordable.
D．is an increasing supply of millions of URLs.
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