To a scientist the main reason for exploring the Antarctic is

试卷相关题目

• 1As a spot where radar antennae might be effective, Antarctic is important because

  A.there is plenty of fuel to make the elecuicity needed to operate radar

  B.in the cold, clear air, metal would not rust

  C.a scanning station at the South Pole could cover the whole southern hemisphere

  D.the cold clear air would help radar see clearly

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• 2Antarctic's mineral resources are best described as

  A.of low quniity

  B.uncertain but potentially important

  C.vital to world energy needs

  D.non-existent

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• 3A laboratory at McMurdo Sound is making a study of

  A.the common cold

  B.plant life in the Antarctic

  C.man's adaptability to extreme cold

  D.sea life

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• 4Listening is often difficult when

  A.the speaker argues against your pet ideas

  B.the speaker's voice is poor

  C.you do not watch the speaker

  D.the room is poorly ventilated

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• 5Because thought is faster than speech

  A.we know what the speaker will say

  B.we have time to formulate arguments

  C.we should avoid letting our minds wander aimlessly ahead

  D.it is best to have a speaker who talks very fast

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• 6For whom is both information and notice intended、

  A.Potential customers

  B.Suppliers of industrial tools

  C.Manufacturers of electronic components

  D.Purchasers of industrial devices

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• 7Which kind of coverage is NOT provided、

  A.Use of the machine tools in conjunction with competitor products

  B.Failure due to design specifications of the manufacturer

  C.Use of the tools in extraordinary production environments

  D.Failure m notify the manufacturer of a flaw within 90 days

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• 8What is one of the reasons for issuing the supplementary notice、

  A.Ryerson is offering newer versions of an existing model.

  B.New customers may advance order a new product online.

  C.Ryerson has decided to end sales of the CV211 precision cutting tool.

  D.All customers will receive 15% discounts for a certain period.

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• 9What will happen to users of the CV210 in the future、

  A.They may not have access to Ryerson technical and industrial informatiol

  B.They will not be able to use the tool because of its frequent failures.

  C.They may not receive information about further upgrades.

  D.They may continue to have it serviced for payments.

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• 10We may conclude, in regard to the author's development as a writer, father

  A.opposed his becoming a writer

  B.made an important contribution

  C.insisted that he choose writing as a career

  D.insisted that he read Hamlet in order to learn how to be a writer

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