To those individuals who may be thinking about smoking cigars, our advice isdont. To those currently smoking cigars, quitting is the only way to eliminate completely the cancer, heart and lung disease risks, warned Klausner.

　　According to National Cancer Institute press release, there havent been any studies on the health effects on nonsmokers at cigar social events , but . . . a significant body of evidence clearly demonstrates and increased lung cancer risk from secondhand smoke.

　　1. According to the report, smoking three or four cigars a day

　　A. increases the risk of oral cancer for non-smokers.

　　B. greatly increases the risk of oral cancer for smokers.

　　C. increases the risk of more than one cancer for non-smokers.

　　D. greatly increases the risk of more than one cancer for smokers.

　　2. In the passage how many cancers are mentioned in relation to smoking cigars daily?

　　A. Six. B. Seven. C. Eight. D. Nine.

　　3. What is the main idea of the article Cigars: Health Effects and Trends ?

　　A. When it comes to cancer, cigars are not any safer than cigarettes.

　　B. Cigars may be addictive while cigarettes are not easily so.

　　C. Cigars contain less harmful substances than cigarettes.

　　D. Increase in cigar-smoking does not affect public health much.

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