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保安考试

必做英语六级阅读训练312

1、 The phrase “emanate from” in Paragraph 1 most probably means “________”.

  • A) thrive on
  • B) account for
  • C) originate from
  • D) descend from

2、 Which of the following is mentioned as one of the causes of bad breath?

  • A) Tooth trouble.
  • B) Sulfur rich food.
  • C) Too much exercise.
  • D) Mental strain.

3、 According to the passage, alcohol has something to do with bad breath mainly because ________.

  • A) it keeps offending bacteria from reproducing
  • B) its smell adds to bad breath
  • C) it kills some helpful bacteria
  • D) it affects the normal flow of saliva

4、 Mouthwashes are not an effective cure for bad breath mainly because ________.

  • A) they can’t mask the bad odor long enough
  • B) they can’t get to all the offending bacteria
  • C) their strong smell mixes with bad breath and makes it worse
  • D) they can’t cover the thick layers of mucus

5、 We can infer from this passage that ________.

  • A) offensive breath can’t easily be cured
  • B) elderly people are less offended by bad breath
  • C) heavy drinkers are less affected by bad breath
  • D) offensive breath is less affected by alcohol