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共用题干 The Dangers of Second-hand SmokeMo

资格题库2022-08-02  27
问题 共用题干The Dangers of Second-hand Smoke
Most people know that cigarette smoking is harmful to their health.Scientific research shows that it causes many kinds of diseases.In fact,many people who smoke get lung cancer.However,Edward Gilson has lung cancer,and he has never smoked cigarettes.He lives with his wife Evelyn,who has smoked about a pack of cigarettes a day throughout their marriage.______(46) No one knows for sure why Mr.Gilson has lung cancer.Nevertheless,doctors believe that second-hand smoke may cause lung cancer in people who do not smoke because nonsmokers often breathe in the smoke from other people's cigarettes.______(47) The US Environmental Protection Agency reports that about 53,000 people die in the United States each year as a result of exposure to second-hand smoke.
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._______（48)They discovered that even nonsmokers had unhealthy amounts of these toxic chemicals in their bodies.As a matter of fact,almost all of us breathe tobacco smoke at times,whether we realize it or not.For example,we can not avoid second-hand smoke in restaurants,hotels and other public places.Even though many public places have nonsmoking areas,smoke flows in from the areas where smoking is permitted.
It is even harder for children to avoid second-hand smoke______（49)Research shows that children who are exposed to second-hand smoke are sick more often than children who live in homes where no one smokes and that the children of smokers are more than twice as likely to develop lung cancer when they are adults as are children of nonsmokers.The risk is even higher for children who live in homes where both parents smoke.
People are becoming very aware of the dangers of second-hand smoke.______(50)______（50)A:Recently,though,scientists changed their opinion after they studied a large group of nonsmokers.B:The Gilsons have been married for 35 years.C:This smoke is called second-hand smoke.D:However,second-hand smoke is dangerous to all people,old or young.E:As a result,they have passed laws which prohibit people from smoking in many public places.F:In the United States,nine million children under the age of five live in homes with at least one smoker.
选项 ______（50)
A:Recently,though,scientists changed their opinion after they studied a large group of nonsmokers.
B:The Gilsons have been married for 35 years.
C:This smoke is called second-hand smoke.
D:However,second-hand smoke is dangerous to all people,old or young.
E:As a result,they have passed laws which prohibit people from smoking in many public places.
F:In the United States,nine million children under the age of five live in homes with at least one smoker.
答案 E
解析 前面一句主要讲的是，Gilson先生与妻子Evelyn生活在一起，而Evelyn自他们结婚以来一直是每天差不多抽一包烟。接下来显然应选表示他们结婚年限的句子。再者，只有B项提到了Gilsons，并与上文紧密相关。故选B。
前面一句提到，不吸烟者时常会吸人吸烟者吸烟时呼出的烟。看选项后，联系上下文可知，只有C项（这种烟被称为二手烟）符合语境。故选C。
前面一句讲的是过去科学家们认为这些化学物质不会伤害一个不吸烟者的健康。后面一句讲的是研究发现甚至是不吸烟者体内也有大量的有毒物质。此处应表示他们改变了看法并对此做了研究调查。故选A。
本段讲述了二手烟对儿童的影响，此处的句子自然应与儿童有关。故选F。
前面一句讲的是人们逐渐意识到二手烟的危害，因此接下来的句子应表示人们采取措施来减少二手烟的危害。故选E。
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