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  3. Around one in a hundred deaths worldwide is due to passive smoking, which kills an estimated 600,000 people a year, World Health

Around one in a hundred deaths worldwide is due to passive smoking, which kills an estimated 600,000 people a year, World Health

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问题     Around one in a hundred deaths worldwide is due to passive smoking, which kills an estimated 600,000 people a year, World Health Organization(WHO)researchers said recently.
    In the first study to(1)______ the global impact of second-hand smoke, WHO experts found that children are more(2)______ exposed to second-hand smoke than any other age-group, and around 165, 000 of them a year die of it.
    " Two-thirds of these deaths (3)______ in Africa and South Asia," the researchers wrote in their study.(4)______ exposure to second-hand smoke, the double blow of (5)______ diseases and tobacco seems to be a deadly(6)______ for children in these regions.
    Commenting(7)______ the findings, researchers said policymakers try to(8)______families to stop smoking in the home. In some countries, smoke-free homes are becoming the norm, but(9)______universally.
    To get(10)______data from all 192, WHO researchers had to go back to 2004. Worldwide,40 percent of children were exposed to second-hand smoke in 2004. This exposure was (11)______to have caused 379,000 deaths from heart disease, 165,000 from lower(12)______ infections, and 21,400 from lung cancer. For the full impact of smoking, these deaths should be(13)______to the estimated 5. 1 million deaths a year(14)______to active tobacco use, the researchers said.
     (15)______ deaths due to passive smoking in children were (16)______ toward poor and middle-income countries, deaths in adults were spread across countries (17)______all income levels.
    In Europe’s high-income countries , only 71 child deaths occurred, while 35,388 deaths were in adults. (18)______ in the countries assessed in Africa, an estimated 43,375 deaths(19)______ passive smoking were in children(20)______9,514 in adults.
(12)
选项 A、bacteria
B、respiratory
C、neurological
D、digestive
答案B
解析 形容词辨析题。因为上面提到了这些死亡的病例都是由于受到二手烟的影响，因此，下面的句子中所出现的病情应该和“呼吸系统”有关，[B]respiratory意为“呼吸的”，故选[B]。[A]bacteria意为“细菌”，[C]neurological意为“神经病学的”，[D]digestive意为“消化系统的”，上述三项均与二手烟所造成的影响联系不大，因此排除。
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