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

试卷相关题目

• 1Antarctic'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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• 2A 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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• 3Listening 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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• 4Because 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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• 5Poor listening can be attributed to

  A.faults within ourselves

  B.bad habits

  C.distracting outside influences

  D.all of the above

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• 6To a scientist the main reason for exploring the Antarctic is

  A.the fact that we know little about it

  B.the fact that it has many unusual features

  C.the benefits to mankind

  D.the opportunity to study the weather

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• 7For 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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• 8Which 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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• 9What 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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• 10What 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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