In the text, the author mainly deals with
A. the necessity of drama in a culture.
B. some social functions of dramas.
C. the responsibility of dramatists,
D. some key elements in drama-making
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From the text, we learn that Vinton Cerf is
A. seeking answers to questions about the Internet web.
B. working on interplanetary Internet with collaboration of NASA.
C. trying to commercialize the interplanetary Internet
D. exploring the possibility of establishing Internet network on Mars.
对非保证收益计划，理财人员在与客户签订合同前，应提供理财计划预期收益率的测算数据、测算方式和测算的主要依据，否则不得宣传介绍“预期收益率”或“最高收益率”。()
A. 正确
B. 错误
Which of the following is the main point of the text？
A. The development of the Internet.
B. The possibility of space research.
C. Universal information superhighway.
D. The technological advances of Mars mission.
Which of the following is not an advantage of printed music？
A. Reading music notation has a great impact on musicians.
B. People may draw inspiration from it.
C. The music culture will be influenced by it in the end.
D. Songs tend to be standardized by it.
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