单项选择题

According to the passage, the disadvantage of the high-tech revolution is that ______.

A．it brings many new and exiting things which may have a bad effect on society
B．it makes electronic products timeworn quickly and become junk
C．it wastes a lot of natural resources and causes environmental problems
D．it creates many new products which arouse people's desires
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单项选择题
What can we infer from the first sentence of the passage
A．Electronic products have become indispensable to people.
B．Electronic products have become a nuisance to people.
C．Only part of electronic products can bring benefits to people.
D．Some electronic products do harm to people.
单项选择题
Among the ways in dealing with the obsolete computer parts, which one is really troublesome
A．Being left in the basement.
B．Being neglected in a warehouse.
C．Being abandoned in landfills.
D．Being reused in new products.
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