The main idea for this passage is:

试卷相关题目

• 1The two major developments have promoted the office revolution.They are _____ .

  A.paperless work and technical skills

  B.computers and telecommunications systems and products

  C.automatic factories and industrial states

  D.automation and the reduction of lowskilled and semiskilled workers

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• 2Which of the following is not true、

  A.There is a tendency that people shift from formationtype jobs to informationtype jobs.

  B.There will be enough office and service jobs.

  C.Office work has begun to become paperless.

  D.Farmwork will be done by computers instead of unskilled laborers.

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• 3According to the passage,“informationtype jobs”refer to jobs _____ .

  A.which result in the actual information of a material product

  B.which provide information for people who type with a typewriter

  C.which focus on the electronic processing of information

  D.which are taken by bluecollar workers automatically

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• 4The main idea of the last paragraph is _____ .

  A.the population explosion is the result of amazing imbalance between biotic potenital and environmental resistance.

  B.the rapid increase of the population is known as the population explosion

  C.humans have to destroy natural ecosystem in order to support themselves

  D.human habitations and agriculture are activities to support the rapidly growing population

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• 5Humans can practically do anything because _____ .

  A.they have evolved into a specialized role in balance with natural enemies

  B.they are able to move into every environment on Earth and even in Space

  C.they are so evolved that they can control other natural enemies as well as disease

  D.their intelligence and ability to produce and use tools are developed greatly

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• 6In the first paragraph,the phrase“counted on” means _____ .

  A.hoped

  B.wished

  C.expected

  D.accounted

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• 7The“Greenhouse effect”is so called because _____ .

  A.fossil fuels are burnt in green houses

  B.a carbon dioxide is causing the Earth to warm up

  C.the world′s climate has become tropical by the penetration of the sunlight

  D.the sun′s rays are trapped by the glass in the greenhouse

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• 8The two major consequences of a warmer climate for the world are _____ .

  A.the automobile and heavy industry would speed up the release of carbon dioxide and dangers would take place throughout the world

  B.many port cities would look as beautiful as Venice and some areas would become too hot to grow plants

  C.the ice caps would melt swiftly and the desert Sahel area would get more rain

  D.coastal cities would be flooded due to the rise of oceans and ways of drought and rainfall would be changed on a global basis

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• 9Some scientists rank the greenhouse effect with nuclear war and the population explosion because _____ .

  A.it is the global environment issue of the century

  B.it will have potential aftermath on human beings

  C.people will both gain and lose from it in different areas

  D.we need to learn a good deal more about the degree of greenhouse effect before we carry out costly plans

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