All of the following are true about Nylander except

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• 1Which of the following is not true、

  A.Nylander accepted his colleagues′ theories on the composition of lichens.

  B.Eighty percent of lichens bear Nylander′s name.

  C.Today lichens are used to detect atmospheric pollution.

  D.Most botanists consider lichens to be a compound species.

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• 2Internationally 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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• 3The dog saw his _____ in the pool of water.

  A.reflect

  B.reflection

  C.bone

  D.imagination

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• 4Exchanges of language and culture were a direct result of _____ .

  A.commence

  B.commerce

  C.comment

  D.commentary

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• 5When 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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• 6According 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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• 7How could William Nylander best be described、

  A.degenerate

  B.domineering

  C.ingenious

  D.anxious

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• 8Given 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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• 9The 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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• 10Each year,the world′s food reserves reduce by

  A.10 million tons.

  B.20 million tons.

  C.30 million tons.

  D.40 million tons.

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