The researchers discussed in the passage were mainly concerned with _____ .

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• 1The theories based on the concepts of Darwin assume that fish population is controlled mainly by the _____ .

  A.size of the fish caught within a species

  B.amount of fishing pressure of the species

  C.racial characteristics of the species

  D.life expectancy within the species

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• 2The author indicates the main difference between the theories of Darwin and Nikolskii is the _____ .

  A.effect of food supply on the size of the fish

  B.the amount of fish that can be harvested

  C.methods used to catch fish

  D.cause of population variation in fish

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• 3Nikolskill theorizes that fish population is controlled mainly by the _____ .

  A.size of the fish caught within a species

  B.racial characteristics of the species

  C.amount of food available to the species

  D.death rate within a species

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• 4The portion of the total income of China's railways which comes from carrying cargo is _____ 80 percent.

  A.consequently

  B.roughly

  C.comparatively

  D.incidentally

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• 5Before the committee started its work,the _____ of the last meeting were read out.

  A.minutes

  B.records

  C.copies

  D.manuscripts

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• 6The passage is mainly concerned with _____ .

  A.the different tastes of people for sports

  B.the different characteristics of sports

  C.the attraction of football

  D.the attraction of baseball

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• 7Those who don't like baseball may complain that _____ .

  A.it is only to the taste of the old

  B.it involves fewer players than football

  C.it is not exciting enough

  D.it is pretentious and looks funny

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• 8The author admits that _____ .

  A.baseball is too peaceful for the young

  B.baseball may seem boring when watched on TV

  C.football is more attracting than baseball

  D.baseball is more interesting than football

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• 9We can safely conclude that the author _____ ．

  A.likes football

  B.hates football

  C.hates baseball

  D.likes baseball

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• 10Through the doctrine of “true will”,Crowley encouraged people to _____ .

  A.ignore the normal morality

  B.find freedom through selfworship

  C.control everything by will power

  D.invent a new unconventional religion

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