What does the underlined word “juggle” in Paragraph 2 most probably mean、

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• 1What does Paul Davies think of human existence on Mars、

  A.Humans will have to bring all they need from the Earth.

  B.Humans will find Mars totally unsuitable for living.

  C.Humans can produce everything they nee

  D.D.Humans can live longer in the colony on Mars.

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• 2Paul Davies points out that _____.

  A.humans need only a one-way ticket to Mars.

  B.two-way trips to Mars will be made safe soon

  C.it is easy to reduce the danger and cost of flights to Mars

  D.it is cheap to build an everlasting human settlement on Mars

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• 3Which of the following best states Donal Trollop’s idea、

  A.There is a plan to send humans to Mars.

  B.There are many reasons for going to Mars.

  C.Scientists become famous by doing research on Mars.

  D.It is possible to build an Earth-like environment on Mars.

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• 4The main purpose of Steve Minear’s writing is _____.

  A.to report his classmates’ discussion

  B.to invite an answer to his question

  C.to explain the natural state of Mars

  D.to show his agreement on going to Mars

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• 5Which of the following would be the best title for the passage、

  A.A Quilt Show

  B.Mother’s Home

  C.A Monday Dinner

  D.Grandmother’s Quilt

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• 6In Paragraph 3, the author points out that _____.

  A.family members do not cat at the family table

  B.family member do not greet each other

  C.young people live happily in their families

  D.young people seldom talk with their family members

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• 7What is the main idea of the last paragraph、

  A.Multitasking is harmful to young people’s development.

  B.Young people benefit a lot from modern gadgets

  C.Multitasking is an important skill to young people.

  D.Young people must learn skills for future jobs.

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• 8The author develops the passage mainly by _____.

  A.providing typical examples

  B.following the natural time order

  C.comparing opinions from different fields

  D.presenting a cause and analyzing its effects

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• 9What is the main purpose of this passage、

  A.To attract tourists to Pacaya.

  B.To describe the beauty of Pacaya.

  C.To introduce guided tours to Pacaya.

  D.To explain the power of nature at Pacaya.

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• 10Antigua is a city _____.

  A.where people can enjoy cultural festivals

  B.where the daring Pacaya tour starts

  C.that gives a close-up view of Paraya

  D.that is famous for its tour companies

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