In lens design, _____ .

试卷相关题目

• 1In 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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• 2According 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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• 3The 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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• 4The second sentence in the first paragraph intends to render the idea that _____ .

  A.distractions will render communication unlikely to happen

  B.attention to the audience in public speech is most important

  C.it takes great effort to overcome any distraction in public communication

  D.it is impossible to communicate when the audience are distracted from the speech

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• 5This 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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• 6Compared 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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• 7A lens designer in the past _____ .

  A.did their work better

  B.did not use glass for making lenses

  C.was usually poor

  D.designed the lens all by himself

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• 8The passage implies that _____ ．

  A.there is really no organically grown produce yet

  B.some foods are falsely labeled

  C.some states are slow in making laws concerned

  D.each state should stop certifying certain foods

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• 9If certain kind of food is labeled as “certified organically”,it should mean that _____ ．

  A.the food is grown without any chemicals and is natural

  B.it is certified in the state in which it is grown

  C.it is certified by the U．S． Department of Agriculture

  D.no synthetic pesticides or fertilizers have been used on them over a certain period of time

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• 10The author advises consumers to _____ .

  A.look for foods with such words as “certified organically grown”

  B.grow their own food without synthetic chemicals

  C.buy foods from a seller they often deal with

  D.make sure the foods are pesticidefree before buying them

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