单项选择题

A．Her car is being repaired.
B．She wants to help reduce pollution.
C．Parking is difficult in the city.
D．The cost of fuel has increased.
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单项选择题
A．Compare her own paper with others.B．Watch out for the usual typing mistakes.C．Have someone else type her paper.D．Ask another person to check her work.
A．Compare her own paper with others.
B．Watch out for the usual typing mistakes.
C．Have someone else type her paper.
D．Ask another person to check her work.
单项选择题
By saying ... owners of well over half of all World Wide Web sites have set up home without fitting locks to their doors ( Line 3, Para. 2), the author means that ________.
A．many sites are not well-protected
B．those happy times appear still to be with us
C．there simply wasn’’t any crime to worry about
D．hackers try out tricks on an Internet site without actually breaking in
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