Which of the following is not true、

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• 1Internationally renowned scientists sent lichen samples to Nylander because

  A.he considered them to be simple plants.

  B.he used reagents to determine their use.

  C.he analyzed and classified them.

  D.he collected and preserved them.

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• 2The dog saw his _____ in the pool of water.

  A.reflect

  B.reflection

  C.bone

  D.imagination

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• 3Exchanges of language and culture were a direct result of _____ .

  A.commence

  B.commerce

  C.comment

  D.commentary

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• 4When he was director of the company his first _____ was to bring about better working conditions.

  A.accomplishment

  B.defeat

  C.accumulation

  D.accompany

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• 5Lyndon Johnson _____ John Kennedy as president of the United States.

  A.succeeded in

  B.succeeded

  C.assisted

  D.followed by

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• 6All of the following are true about Nylander except

  A.he was the first to use chemical reagents in the taxonomy of lichens.

  B.he believed that lichens were simple plants.

  C.he was an esteemed lichenologist.

  D.he taught botany at the University of Paris.

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• 7According to accepted nineteenthcentury theories,which two elements form the composition of lichens、

  A.iodine and chemical reagents

  B.algae and fungi

  C.hypochlorite and iodine

  D.chemical reagents and atmospheric chemicals

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• 8How could William Nylander best be described、

  A.degenerate

  B.domineering

  C.ingenious

  D.anxious

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• 9Given the present growth rate of the world′s population and our ability to produce food,

  A.the United States will be able to feed half the world by 2025.

  B.the future will see no more hunger.

  C.the developed nations will change their eating habits.

  D.we will encounter very serious problems in the near futur

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• 10The term“Green Revolution”refers to

  A.the political situation in Greenland

  B.the increased use of scientific methods in agriculture.

  C.the upheavals in the underdeveloped nations.

  D.the crop shortages experienced in 1972.

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