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　　思南中学2015——2016学年度第一学期期中考试
　　高三年级英语学科试题
　　本试卷分为第一卷（选择题）和第二卷（非选择题）两部分，满分120分，时间100分钟
　　第Ｉ卷（选择题 共85分）
　　第一部分： 阅读理解（共两节， 满分40分）
　　第一节（共15小题；每小题2分，满分30分）
　　A
　　Eating too much fatty food, exercising too little and smoking can raise your future risk of heart disease. But there is another factor that can cause your heart problems more immediately: the air you breathe.
　　Previous studies have linked high exposure (暴露）to environmental pollution to an increased risk of heart problem, but two analyses now show that poor air quality can lead to heart attack or stroke (中风）within as little as a few hours after exposure. In one review of the research, scientists found that people exposed to high levels of pollutants (污染物）were up to 5% more likely to suffer a heart attack within days of exposure than those with lower exposure. A separate study of stroke patients showed that even air that the U. S. Environmental Protection Agency (EPA) considers to be of “moderate” (良好）quality and relatively safe for our health can raise the risk of stroch as 34% within 12 to 14 hours of exposure.
　　The authors of both studies stress that these risks are relatively small for healthy people and certainly modest 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 exercising        B． heart problems and air quality
　　C．heart problems and smoking          D．heart problems and fatty food
　　2. The underlined word “modest” in Paragraph 3 most probably means.
　　A． relatively low         B．extremely low    C．relatively high        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．Stricter regulations on pollutants should be made
　　D．Moderate air quality is more harmful than smoking
　　4. The auther’s purpose of writing the text is most likely to             
　　A. entertain          B. persuade       C. describe       D. Inform
　　B
　　Friendly doctors are“bad for their patients’health”，researchers have warned as a new study revealed two thirds of young doctors struggle to be truthful with patients they like．
　　Blurring(使…模糊)the lines between social and professional relationships can affect the
　　level of care offered and prevent patients from being honest about important side effects．
　　“Doctors should avoid adding patients as friends on Facebook they should not hug or allow
　　patients to call them by their first names”．regulators have warned．“Those who break the
　　boundaries will face some punishment．”
　　It comes as a survey of 338 oncologists(肿瘤科医生)under the age of 40，found 59 per cent
　　said they found it difficult to tell the truth