According to the report, smoking three or four cigars a day In the passage how many cancers are mentioned in relation to smokin

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问题 According to the report, smoking three or four cigars a day
In the passage how many cancers are mentioned in relation to smoking cigars daily?

选项 A、Six.
B、Seven.
C、Eight.
D、Nine.

答案B

解析 第一段中提到lip,tongue,mouth,throat四种,第二段中提到lung,esophagus,larynx三种,共七种,第三段中的oral是对lip,tongue,mouth等的统称,不应再算做一种。
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