The authors of both studies stress that these risks are relatively small for healthy people and certainlymodest compared with other risk factors such as smoking and high blood pressure. However, it is important to be aware of these dangers because everyone is exposed to air pollution regardless of lifestyle choices. So stricter regulation by the EPA of pollutants may not only improve environmental air quality but could also become necessary to protect public health.

　　1. The text mainly discusses the relationship between　.　

　　A. heart problems and air quality B. heart problems and exercising

　　C. heart problems and smoking　D. heart problems and fatty food

　　2. The underlined word“modest”in Paragraph 3 most probably means　.　

　　A. relatively highB. extremely low

　　C. relatively low　D. extremely high

　　3. What can we learn from the text?

　　A. Eating fatty food has immediate effects on your heart.

　　B. The EPA conducted many studies on air quality.

　　C. Moderate air quality is more harmful than smoking.

　　D. Stricter regulations on pollutants should be made.

　　4. The author’s purpose of writing the text is most likely to　.　

　　A. inform　B. persuade　 C. describeD. entertain

　　【参考答案】16.ACDA　

【2017届高三英语一轮基础阅读理解训练（4）及答案】相关文章：

★ 安徽省淮南市2014高考英语一轮单项选择及文章训练（11）及答案

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ规范练：8（含解析）

★ 重庆市2014高考英语阅读理解一轮（精品）训练题（15）附答案

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (36)

★ 贵州省贵阳市2014高考英语（新人教版）一轮阅读训练（20）附答案

★ 浙江省湖州市2014高考英语阅读理解一轮（暑假）精炼（20）含答案

★ 重庆市2014高考英语阅读理解一轮（精品）训练题（20）附答案

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (6)

★ 2017届高考英语二轮复习大题冲关秘籍语法填空：考纲解读（含解析）

★ （全国通用）2014届高考英语一轮单元复习 限时强化训练十