From the text, we learn that Vinton Cerf is _____.

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• 1According to Cerf, the purpose to design interplanetary internet is to _____.

  A.send real-time science data

  B.communicate with astronauts

  C.lay foundation for future technological advances

  D.commercialize the technology

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• 2The author develops his writing mainly by means of _____.

  A.reasoning

  B.examples

  C.comparisons

  D.quotations

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• 3Which of the following did the author probably suggest、

  A.Support not the most supported.

  B.Deny everything others believe.

  C.Throw all tradition into trashcan.

  D.B.Deny everything others believ

  E.C.Throw all tradition into trashcan.D.Keep your eyes open all the time.

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• 4Which of the following is closest in meaning to the statement "There are various... to do so" (Line 17-20)、

  A.Principles of history and philosophy are hard to deal with.

  B.People like to see what other people do for their own model.

  C.The educated are more susceptible to errors in their daily life.

  D.That everyone does the same may not prove they are all right.

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• 5By "But to...it is not so"(Line 7) the author implies that _____.

  A.most people are just followers of new ideas

  B.even sound minds may commit silly errors

  C.the popularly supported may be erroneous

  D.nobody is immune to the influence of errors

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• 6It can be inferred from the last paragraph that _____.

  A.the dream to build interplanetary Internet can be fulfilled in the future

  B.interplanetary Internet will be commercialized in 100 years

  C.the research of Internet took 50 years

  D.it will take a long time to build interplanetary Internet

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• 7We know from the text that the Mars mission is _____.

  A.one of NASA's internet projects

  B.an expedition to Mars

  C.the infrastructure of the interplanetary Internet

  D.to create an architecture on Mars

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• 8Which 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 the Mars mission.

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• 9From the text, we know that the Great Lakes _____.

  A.are equally located between Canada and the U.S

  B.contain a small part of the world's fresh water

  C.are governed neither by Canada nor by the U.S

  D.have water not as fresh as before

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• 10In the first two paragraphs, the author suggests that _____.

  A.a commission was established to coordinate mutual activities of the governments

  B.the Boundary Waters Treaty of 1909 has become out-of-date

  C.the huge drainage schemes are to blame for land run-offs

  D.the economic change has contributed to environmental improvement

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