According to Newton's principle, _____ .

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• 1The nearer a planet is to the sun, _____ .

  A.the lighter it is

  B.the greater gravity it exerts

  C.the heavier it is

  D.the faster it orbits

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• 2In astronomical terms, a cluster _____ .

  A.consists of galaxies

  B.consists of groups

  C.makes up superclusters

  D.makes up a group

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• 3Which of the following is TRUE according to the passage、

  A.Ninety percent of all the matter in the universe is invisible.

  B.Dark matter causes visible matter to behave in a strange way.

  C.Galaxies in a cluster sometimes behave in an unusual manner.

  D.invisible matter keeps galaxies together with gravity.

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• 4Why is the size of the hip and leg joints imortant in establishing the human habit of bipedalism、

  A.they support human body in an upright position.

  B.they are the only observable evidence in australopithecines study.

  C.the evolution of the joints is the fastest in animals.

  D.they mark the major difference between humans and humanlike animals.

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• 5Which of the following is TRUE about Lucy according to Junger、

  A.Lucy walked more like apes than like human beings.

  B.Lucy moved her steps in the same manner as people.

  C.Lucy might walk quite differently from modern man.

  D.Lucy had hip and leg joints like people's.

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• 6The author considers that a fairy story is more effective when it is _____ .

  A.repeated without variation

  B.treated with correct attitude

  C.adapted by the parent

  D.suited to the age of the child

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• 7Some people dislike fairy stories because they feel that they _____ .

  A.tempt people to be cruel to children

  B.show the primitive cruelty in children

  C.lend themselves to undesirable experiments with children

  D.increase the tendency to be aggressive in children

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• 8The author thinks that fairy stories are a means by which children's impulses may be _____ .

  A.beneficially channelled

  B.given a destructive tendency

  C.held back until maturity

  D.effectively suppressed

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• 9According to the author, fairy tales _____ in a child.

  A.create no fear at all

  B.create no confused feeling

  C.create too many fantasies

  D.create a sense of guiltiness

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• 10In the second sentence,“the oustanding example of success”here refers to the improvement on _____ .

  A.the quality of gasoline

  B.street conditions

  C.the speed of the car

  D.the design of the car engine

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