What is the author’s purpose in writing this passage、

试卷相关题目

• 1What will agriculture be like in the 21st century

  A.It will go through radical changes

  B.It will supply more animal products

  C.It will abandon traditional farming practices

  D.It will cause zero damage to the environment

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• 2What does the author think of traditional farming practices、

  A.They have remained the same over the centuries

  B.They have not kept pace with population growth

  C.They are not necessarily sustainable

  D.They are environmentally friendly

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• 3Specialisation and the effort to increase yields have resulted in________.

  A.Localised pollution

  B.the shrinking of farmland

  C.competition from overseas

  D.the decrease of biodiversity

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• 4How do people often measure progress in agriculture、

  A.By its productivity

  B.By its sustainability

  C.By its impact on the environment

  D.By its contribution to economic growth

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• 5                                    Passage ThreeQuestions 32 to 35 are based on the passage you have just heard.

  A.Their performance may improve.

  B.Their immune system may be reinforced

  C.Their blood pressure may rise all of a sudden.

  D.Their physical development may be enhanced.

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• 6How were immigrants viewed by U.S. Congress in early days、

  A.They were of inferior races.

  B.They were a Source of political corruption.

  C.They were a threat to the nation’s security.

  D.They were part of the nation’s bloodstream.

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• 7What does the author think of the new immigrants、

  A.They will be a dynamic work force in the U.S.

  B.They can do just as well as their predecessors.

  C.They will be very disappointed on the new lan

  D.D.They may find it hard to fit into the mainstream.

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• 8What does Edward Telles’ research say about Mexican-Americans、

  A.They may slowly improve from generation to generation.

  B.They will do better in terms of educational attainment.

  C.They will melt into the African-American community.

  D.They may forever remain poor and underachieving.

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• 9What should be done to help the new immigrants、

  A.Rid them of their inferiority complex.

  B.Urge them to adopt American customs.

  C.Prevent them from being marginalize

  D.D.Teach them standard American English.

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• 10According to the author, the burning issue concerning immigration is_______.

  A.How to deal with people entering the U.S. without documents

  B.How to help immigrants to better fit into American society

  C.How to stop illegal immigrants from crossing the border

  D.How to limit the number of immigrants to enter the U.S.

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