The smoke that comes from a lit cigarette contains many different poisonous chemicals. In the past scientists did not think that these (1) ________ could harm a non – smoker’s health. Recently, though, scientists changed their opinion after they ( 2) ________ a large group of nonsmokers. They discovered that even (3)________ had unhealthy amount of these toxic chemicals in their bodies. As a ( 4) _______ of fact, almost all of us, breathe tobacco smoke at times, ( 5) _______ we realize it or not. For example, we can’t avoid smoke in restaurants, hotels and other public places. Even though many (6) _______ areas have “ No Smoking Is Permitted”. It is even harder for children to ( 7) _______ secondhand smoke. In the United States, nine million children under the age of five live in (8)_______ with at least one smoker. Research shows that these children are sick more (9)_______ than ones who live in homes where non – smokers live. The damaging effects of ( 10)________ smoke on children also continue as they grow up. The children of smokers are more than twice as likely to ( 11) ________ lung cancer when they are adults as children of nonsmokers. The risk is even higher among children who live in homes ( 12) _______ both parents smoke.
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The smoke that comes from a lit cigarette contains many different poisonous chemicals. In the past scientists did not think that these (1) ____chemicals____ could harm a non – smoker’s health. Recently, though, scientists changed their opinion after they ( 2) ___had studied_____ a large group of nonsmokers. They discovered that even (3)____non-smokers____ had unhealthy amount of these toxic chemicals in their bodies. As a ( 4) ____matter___ of fact, almost all of us, breathe tobacco smoke at times, ( 5) ___whether____ we realize it or not. For example, we can’t avoid smoke in restaurants, hotels and other public places. Even though many (6) ____public___ areas have “ No Smoking Is Permitted”. It is even harder for children to ( 7) ___avoid____ secondhand smoke. In the United States, nine million children under the age of five live in (8)__home_____ with at least one smoker. Research shows that these children are sick more (9)___often____ than ones who live in homes where non – smokers live. The damaging effects of ( 10)___second-hand_____ smoke on children also continue as they grow up. The children of smokers are more than twice as likely to ( 11) ___develope_____ lung cancer when they are adults as children of nonsmokers. The risk is even higher among children who live in homes ( 12) __where_____ both parents smoke.
