The second sentence in the first paragraph intends to render the idea that _____ .

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• 1This passage is mainly concerned with _____ .

  A.the communcation between a speaker and the audience

  B.the use of body language in addressing an audience

  C.various distractions of a speaker from the speech

  D.the appropriate use of voice level in public speech

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• 2Unsought goods _____ .

  A.have to be new

  B.have to be standardized

  C.have to be promoted

  D.have to be sent to consumers'ｓ homes

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• 3Shopping goods that are considered as basically the same are those _____ .

  A.that satisfy similar needs of the consumer

  B.that consumers don't care where to buy them

  C.that consumers spend much time to look for

  D.that can be found in nearly every shop

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• 4Staples(in the third paragraph) are commodities _____ .

  A.that people are in constant need of

  B.that people do not really want

  C.that people want but don't need

  D.that are convenient to purchase

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• 5A word processor can be looked on as satisfying a need rather than a want if _____ .

  A.it is used at home to do paper work

  B.it is used by a writer to type a novel

  C.it becomes the only means to an end

  D.a writer does not want to use it

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• 6The second paragraph points out that it is important for a speaker _____ .

  A.to speak in an ordinary conversational tone

  B.to use electronic amplification in a large room

  C.to speak in a loud voice as in conversation

  D.to adapt voice level to the size of the room

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• 7According to the passage, in the course of speaking, a speaker should _____ .

  A.use overhead projectors to help him

  B.pay enough attention to the audience's reaction

  C.raise voice level to create special effect

  D.ignore any distraction from the environment

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• 8In what way does lens design resemble chess、

  A.In the number of steps each takes towards the goal.

  B.In the designs of the two activities.

  C.The steps to the goals and the goal itself are known.

  D.Each has a doer and a competitor.

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• 9In lens design, _____ .

  A.it is completely impossible to preset the best steps along the way

  B.it is always very hard to solve any problems

  C.one can work out a best solution to problems in each step

  D.there are countless steps towards the final goal

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• 10Compared with a chess player,lens designer _____ .

  A.can put his design to massproduction.

  B.can draw on various sources in his work

  C.can reduce the cost of lens production

  D.has no one to train him before taking up the work

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