What conclusion can be drawn from the passage、

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• 1The first and most important thing parents should do to help their children is_______.

  A.to provide them with a safer environment

  B.to lower their, expectations for them

  C.to get them more involved socially

  D.to set a good model for them to follow

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• 2According to an analysis, compared with normal children today, children treated as mentally ill 50 years ago_______.

  A.were less isolated physically

  B.were probably less self-centered

  C.probably suffered less from anxiety

  D.were considered less individualistic

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• 3What does the author mean when he says, "we can't turn the clock back"、

  A.It's impossible to slow down the pace of change.

  B.The social reality children are facing cannot be changed.

  C.Lessons learned from the past should not be forgotten.

  D.It's impossible to forget the past.

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• 4The author thinks that the conclusions of any research about people's state of mind are_______.

  A.surprising

  B.confusing

  C.illogical

  D.questionable

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• 5Which of the following statements is NOT true of the Barbie doll、

  A.She does not attract young men.

  B.She has undergone many changes over the years.

  C.She is 11.5 inches tall.

  D.She has managed to keep up with fashion.

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• 6Which statement is the best description of the new era of factory farming according to the first paragraph、

  A.Eggs are all genetically engineered.

  B.Thousands of eggs are produced every hour,

  C.Cloned chickens are bulk-produced with the same growth rate, weight and taste.

  D.B.Thousands of eggs are produced every hour,C.Cloned chickens are bulk-produced with the same growth rate, weight and tast

  E.D.Identical eggs can be hatched on the production lines.

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• 7Which institution has offered USD 4. 7 million to fund the research、

  A.The US's National Institute of Science and Technology.

  B.Origen Therapeutics of Burlingame, California.

  C.Embrex of North Carolina.

  D.Animal welfare groups.

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• 8In the third paragraph, by saying " Producers would like the same meat quantity but to use reduced inputs to get there" Mike Fitzgerald means that he wishes

  A.chickens' quality could be maintained but with less investment

  B.chickens' taste could be improved but at less costs

  C.chickens' growth rate could be quickened but with less inputs

  D.chickens could grow to the same weight but with less feed

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• 9Which of the following statements about Origen and Embrex is correct according to the fifth paragraph、

  A.Origen and Embrex will jointly invent machines to increase production.

  B.Origen wants to purchase an efficient donor cell-injecting machine.

  C.Origen has joined hands with Embrex in producing cell-injecting machines.

  D.Origen is the leading company in producing embryo-locating machines.

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• 10The technology of freezing stem cells from different strains of chicken can do all the following EXCEPT that

  A.farmers can order certain strains of chicken only

  B.Origen can supply all the strains of chicken the market might need

  C.chicken farmers order certain strains of chicken for economic reasons

  D.chicken farmers can be supplied with whatever they need

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