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自考《英语(二)》试题练习:填句补文(8.26)

2016年08月26日    来源:自考365   字体:   打印

  单选题

  [填句补文]The smoke that comes from a lit cigarette contains many different poisonous chemicals. In the past, scientists did not think that these chemicals could harm a nonsmoker‘s health. ________. They discovered that even nonsmokers had unhealthy amounts of these toxic (有毒的) chemicals in their bodies.

  A、The Gilsons have been married for 35 years.

  B、Recently, though, scientists changed their opinion after they studied a large group of nonsmokers.

  C、We cannot avoid secondhand smoke in restaurants.

  D、In the United States, nine million children under the age of five live in homes with at least one smoker.

  
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