A lens designer in the past _____ .

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• 1Compared 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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• 2In 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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• 3In 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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• 4According 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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• 5The 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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• 6The 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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• 7If 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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• 8The 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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• 9Legislation to set up a standard for organically grown produce _____ ．

  A.is being debated in the Congress

  B.has come into effect

  C.is in the charge of the U．S. Department of Agriculture

  D.is delayed due to disagreement in Congress

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• 10Angyal explained the boy's fantasy as _____ ．

  A.his wish to kill his father

  B.his eagerness to be loved

  C.resulting from lack of love

  D.his confused feeling towards his father

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