Which of the following is true according to the text、

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• 1Dr. Trichopoulos firmly denies the advantages of the Mediterranean diet in his study because

  A.the Mediterranean diet does more harm than good to people’s health.

  B.he has done some studies to refute the benefits of Mediterranean diet.

  C.the benefits of the Mediterranean diet are still waiting to be prove

  D.D.he has controlled such a related viable as diet in his research.

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• 2It can be inferred from the second paragraph that

  A.those taking naps regularly are less likely to die from heart diseases.

  B.men are sure to survive heart attacks better than women.

  C.the retired can enjoy a happier life than the employe

  D.D.people in Central America don’t sleep at all during the day.

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• 3Dr. Naska and Dr. Trichopoulos have concluded in their study that siestas

  A.make scientists more brilliant.

  B.may prolong people’s life.

  C.help people become professionally successful.

  D.can cure patients of some fatal diseases.

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• 4The word “siesta” (Line 5, Paragraph 1) most probably denotes

  A.laziness

  B.silence

  C.nap

  D.labor

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• 5The word “benign” (Line 2, Paragraph 2) most probably means

  A.harmful

  B.beneficial

  C.powerful

  D.frightening

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• 6According to the author, what distinguishes the 21st century from the 20th century、

  A.biological technology

  B.physical technology

  C.computers and the internet

  D.modern transport links

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• 7According to the author, biological technology in the 21st century will

  A.speed up the aging population.

  B.aggravate the climate change.

  C.keep new fatal infections in check.

  D.understand the vast univers

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• 8It can be inferred from the ending paragraph that

  A.Biotechnology will find fuel that is dug up from underground.

  B.Understanding of cells succeeded in preventing humans from aging.

  C.The vaccines have been developed to curb pandemic infections.

  D.B.Understanding of cells succeeded in preventing humans from aging.C.The vaccines have been developed to curb pandemic infections.D.There still lacks adequate technology to handle climate chang

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• 9What is the author’s attitude towards the 21st century、

  A.carefree

  B.detached

  C.optimistic

  D.dubious

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