At one time doctors discouraged taking multivitamins because they believed that multivitamins ________.

试卷相关题目

• 1                                       Passage ThreeQuestions 17 to 20 are based on the passage you have just heard.

  A.A visit to a prison.

  B.The influence of his father.

  C.A talk with some miserable slaves.

  D.His experience in the war between France and Austria.

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• 2                                      Passage TwoQuestions 14 to 16 are based on the passage you have just heard.

  A.Coca Cola.

  B.Sausage.

  C.Milk.

  D.Fried chicken.

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• 3Section BDirections:    In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D). Then mark the corresponding letter on the Answer Sheet with a single line through the centre.                                             Passage OneQuestions 11 to 13 are based on the passage you have just heard.

  A.They are delighted because they can enjoy the scenery while driving.

  B.They are frightened because traffic accidents are frequent.

  C.They are irritated because the bridge is jammed with cars.

  D.They are pleased because it saves them much tim

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• 4According to the author, clinical trials of vitamin supplements ________.

  A.often result in misleading conclusions

  B.take time and will not produce conclusive results

  C.should be conducted by scientists on a larger scale

  D.appear to be a sheer waste of time and resources

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• 5It has been found that vitamin E ________.

  A.should be taken by patients regularly and persistently

  B.can effectively reduce the recurrence of heart disease

  C.has a preventive but not curative effect on heart disease

  D.should be given to patients with heart disease as early as possible

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• 6It can be seen that large doses of multivitamins ________.

  A.may bring about serious side effects

  B.may help prevent excessive bleeding

  C.are likely to induce the blockage of arteries

  D.are advisable for those with vitamin deficiencies

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• 7The author concludes the passage with the advice that ________.

  A.the benefit of daily multivitamin intake outweighs that of exercise and a balanced diet

  B.it’s risky to take multivitamins without knowing their specific function

  C.the potential benefit of multivitamins can never be overestimated

  D.it’s reasonable to take a rational dose of multivitamins daily

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• 8The word “portend” (Line 2, Par

  A.1) is closest in meaning to “________”.A.defy

  B.signal

  C.suffer from

  D.result from

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