Cigarette smoking is so widespread and significant as a risk factor that the Surgeon General has called it “the leading preventable cause of disease and deaths in the United States.” Cigarette smoking increases the risk of coronary heart disease by itself.When it acts with other factors, it greatly increases risk.Smoking increases blood pressure, decreases exercise tolerance and increases the tendency for boold to clot.Smoking also increases the risk of coronary heart disease after bypass surgery.

　　Cigarette smoking is the most important risk factor for young men and women.It produces a greater relative risk in persons under age 50 than in those over 50.

　　Women who smoke greatly increase their risk of coronary heart disease and stroke compared with nonsmoking women.Cigarette smoking combined with a family history of heart disease also seems to greatly increase the risk.

　　Studies show that cigarette smoking is an important risk factor for stroke.Cigarette smoke produces several effects that damage the cerebrovascular system.

　　Notes：

　　①chronic adj.慢性的　②artery n．动脉　③coronary adj.冠状的　④clot vi.凝结　⑤cerebrovascular adj.脑血管的

　　5．What does the underlined phrase “account for”in the first paragraph mean?

　　A．Have effect on.

　　B．Make up.

　　C．Reduce by.

【2016届高考英语二轮复习专用习题：Module 2 No Drugs（外研版必修2）】相关文章：

★ 湖南省长沙县实验中学2016届高三英语二轮复习书面表达复习重点话题指导专题02 报道评论话题指导（学生版）

★ 湖南省长沙县实验中学2016届高三英语二轮复习书面表达复习重点话题指导专题12 人物类话题指导（学生版）

★ 北京市2014高考英语一轮复习 练习手册（19）必修4 Unit 4 Body language（含解析）新人教版

★ （安徽专用）2014届高考英语一轮复习方案 作业手册（4）模块2 《Unit 4 Cyberspac》（含解析） 北师大版必修1

★ 四川省2016届高考英语一轮复习课时作业（38） Module 2 Highlights of My Senior Year 外研版选修8

★ 2017年高考英语二轮复习精品资料：专题14 阅读理解（教学案）（原卷版）

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ题型重组训练：第10组（含解析）

★ 2017届高考英语二轮复习书面表达限时测验：4（含解析）

★ 2017届高考英语二轮复习书面表达限时测验：5（含解析）

★ 四川省2016届高考英语一轮复习课时作业（32） Module 2 Fantasy Literature 外研版选修6