The word plagiarize in Paragraph 3 can be replaced by______.
A. employ
B. learn
C. appreciate
D. re-patent
查看答案
Which of the following statements is NOT true？
A. Possessing information used to be a privilege.
B. Public libraries have replaced private libraries.
Communication means more than transmission.
D. Information influences ways of life and thinking.
What problem does the man have？
A. He found the computer center closed early.
B. He has not finished his paper yet.
C. He had to stay up late typing his paper.
D. His computer is not working.
According to the passage, why has migration been called the greatest challenge of the coming century？
A. Because of the change of population.
Because of the coming of the new century.
C. Because of economic and political effects.
D. Because of human beings" conflicts.
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