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

试卷相关题目

• 1According 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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• 2The word “benign” (Line 2, Paragraph 2) most probably means

  A.harmful

  B.beneficial

  C.powerful

  D.frightening

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• 3Which of the following is true according to the text、

  A.Most of the celebrities gain a great deal from taking naps.

  B.Taking naps may reduce the incidence of heart attacks at work.

  C.Dr. Trichopoulos’ study of napping conflicts with his previous study on diet.

  D.People should sacrifice napping in order to be successful in their career.

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• 4Dr. 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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• 5It 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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• 6It 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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• 7What is the author’s attitude towards the 21st century、

  A.carefree

  B.detached

  C.optimistic

  D.dubious

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• 8What can we infer from the first three paragraphs、

  A.Mathematical methods help search engines become more popular.

  B.The web information seems to be dominated by Google alone.

  C.Sociologists argue that search engines alleviate the inequality of websites.

  D.The ability of search engines is dependent on using algorithms.

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• 9According to the text, the importance of a page is determined by

  A.controlling other pages.

  B.the number of its links to other pages.

  C.using mathematical methods.

  D.the structure of the web itself.

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• 10The foremost reason why Google is successful is no other than

  A.its magical ability.

  B.its higher page rankings.

  C.complexity of its algorithms.

  D.its heavy web traffic.

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