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

发布时间:2024-07-12

A.biological technology

B.physical technology

C.computers and the internet

D.modern transport links

试卷相关题目

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

    A.harmful

    B.beneficial

    C.powerful

    D.frightening

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  • 2Which 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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  • 3Dr. 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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  • 4It 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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  • 5Dr. 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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  • 6According 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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  • 7It 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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  • 8What is the author’s attitude towards the 21st century、

    A.carefree

    B.detached

    C.optimistic

    D.dubious

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  • 9What 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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  • 10According 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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