Which of the following statements is true according to the passage、

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• 1Which of the following is the similar problem as that of living in outer space、

  A.We are short of oxygen.

  B.We are not familiar with the underwater surrounding.

  C.We may die of weightlessness.

  D.We can finds new joys.

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• 2In what ways could ocean living be helpful for man、

  A.People can swim freely as much as possible.

  B.People can be interested in the new pleasure there isn't anywhere else.

  C.The sea can supply people with enough foods and other things,,so people needn't work.

  D.People can go boating and go to the park as often as possibl

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• 3Why do some people hope to leave cities to live in the sea、 Because_________.

  A.people think they can live crowdedly in the sea

  B.people wish to go the quiet seafloor to travel for several days

  C.people want to break away from the crowded and noisy cities where they live now

  D.only in this way can people get rid of noise pollution

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• 4What can we do if we live in the ocean、

  A.We can have plenty of oxygen.

  B.We can be fit to live in the water very well.

  C.We needn't worry about things like weightlessness.

  D.We can travel and work in the sea.

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• 5—Thank you for your CD-ROM. I'll return it as soon as I can.—__________. I've got another one to spare.

  A.No problem

  B.No hurry

  C.With pleasure

  D.Nothing much

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• 6Doherty and his team of scientists did an experiment to evaluate_____________.

  A.children's and adults' eye-sight

  B.people's ability to see accurately

  C.children's and adults' brains

  D.the influence of people's age

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• 7When asked to find the larger circle,_____________.

  A.children at 6 got it wrong 79 % of the time with no gray ones around

  B.only adults over 18 got it right 95% of the time with gray ones around

  C.children at 4 got it right about 79 % of the time with gray ones around

  D.adults got it right most of the time with gray ones around

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• 8According to the passage, we can know that_____________.

  A.a smaller orange circle appears bigger on a white background

  B.an orange circle appears bigger than a gray one of the same size

  C.a circle surrounded by other circles looks bigger than its real size

  D.a circle surrounded by bigger ones looks smaller than its real size

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• 9Visual context may work when children get older than

  A.4

  B.6

  C.10

  D.18

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• 10Why are younger children not fooled、_____________.

  A.Because they are smarter than older children and adults.

  B.Because older people are influenced by their experience.

  C.Because people's eyes become weaker as they grow older.

  D.Because their brain can hardly notice related things together.

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