单项选择题

(Few of the people) in that area realize (the importance of) protecting the environment, (either do they know how) to do (so).

A. Few of the people
B. the importance of
C. either do they know how
D. so
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The purpose of this passage is to ______.
A．explain how to use the Internet
B．describe the writer’s joy of keeping up with the latest technology
C．tell the merits and usefulness of the Internet
D．introduce the reader to basic .knowledge about personal computers and the Internet
单项选择题
Which of the following peoples will tell a story to express what they have in mind
A．Americans.
B．Africans.
C．Japanese.
D．Chines
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