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1、课时作业27Poems.阅读理解A(吉林长春检测)Popular culture often shows alcohol as a big part of the college experience in the United States.Television programs and movies about American college life have images of wild parties with young people either drinking alcohol or holding a drink. Now, a new study of alcohol u
2、se suggests that some college students may be missing meals so they can have more drinks or get drunk faster. Researchers are calling this kind of behavior “drunkorexia”The study involved 1,184 college students between the ages of 18 and 26. Researchers found that 80 percent of those studied had dem
3、onstrated some kind of drunkorexia in the past three months. They had performed heavy physical exercise, eaten low calorie meals or even missed meals for up to a full day before drinking alcohol.Dipali Rinker organized the study and presented its findings to the Research Society on Alcoholism in Jun
4、e. She says students see drunkorexia as a way to keep their body weight down while drinking alcohol. And it causes them to feel the effects of alcohol quickly and with more intensity (强度). Rinker says unhealthy eating habits are only one of the reasons why this type of behavior is dangerous. Heavy d
5、rinking is linked to drunk driving, unprotected sex, and alcohol poisoning.George Koob, who directs a US governmental agency that studies alcohol related problems, says that the percent of students using alcohol has not increased in recent years. But what worries him is that the number of students d
6、rinking to the point of “blacking out” has increased. Blacking out is when a person drinks so much alcohol he has no memory of his actions when drunk.Koob notes that college students in Canada and Europe also face issues with alcohol. But he feels a big part of the problem is that Americans do not f
7、ully understand alcohols effects. Most people do not know the part of the brain where decisions are made is not fully developed until age 25 and that alcohol harms the development of that part of the brain, he adds.文章描述美国大学生饮酒过量的现象，以及饮酒过量所带来的后果。1What is the purpose of the behavior “drunkorexia”？ATo
8、get drunk.BTo drink more alcohol.CTo take exercise. DTo lose weight.答案：D解析：细节理解题。根据第四段内容She says students see drunkorexia as a way to keep their body weight down while drinking alcohol.可知，她说学生们喝酒时把drunkorexia作为一种减轻体重的方法。2What can heavy drinking result in?AUnhealthy eating habits.BDrunkorexia.CAlcoho
9、l poisoning.DQuick response.答案：C解析：细节理解题。根据第四段列出的过度饮酒所导致的结果Heavy drinking is linked to drunk driving, unprotected sex, and alcohol poisoning.可知选C。3Which of the following is the result of blacking out?AMissing meals.BForgetting something one did.CHaving unprotected sex.DOperating a vehicle when drunk
10、.答案：B解析：细节理解题。根据第五段中关于blacking out的说明Blacking out is when a person drinks so much alcohol he has no memory of his actions when drunk. 可知blacking out是一个人喝太多酒时，对他喝醉酒时的行为失去记忆。blacking out的结果是忘记一个人所做的事。故选B。4By writing the passage, the writer aims to _.Ashow heavy drinking and its harmBshow American coll
11、ege lifeCintroduce American cultureDexplain harmful behaviors答案：A解析：目的意图题。通读全文可看出，文章介绍了美国大学生过度饮酒的现象，以及过度饮酒所造成的伤害。故作者的写作目的就是展示过度饮酒现象和它的危害。B(东北师范大学附属中学模拟)Is it worth buying organic food?Organic food, grown without artificial chemicals, is increasingly popular nowadays. Consumers have been willing to p
12、ay up to twice as much for goods with organic labels (商标). However, if you think paying a little more for organic food gets you a more nutritious and safer product, you might want to save your money. A study led by researchers at Stanford University says that organic products arent necessarily more
13、nutritious, and theyre no less likely to suffer from diseasecausing bacteria, either.The latest results, published in the Annuals of Internal Medicine, suggest that buyers may be wasting their money. “We did not find strong evidence that organic food is more nutritious or healthier，” says Dr Crystal
14、 SmithSpangler from Stanford. “So consumers shouldnt assume that one type of food has a lower risk or is safer.”For their new study, SmithSpangler and her colleagues conducted a review of two categories of research, including 17 studies that compared health outcomes between consumers of organic agai
15、nst traditional food products, and 223 studies that analysed the nutritional content of the foods, including key vitamins, minerals and fats.While the researchers found little difference in nutritional content, they did find that organic fruit and vegetables were 20% less likely to have chemicals re
16、maining on the surfaces. Neither organic nor traditional foods showed levels of chemicals high enough to go beyond food safety standards. And both organic and traditional meats, such as chicken and pork, were equally likely to be harmed by bacteria at very low rates. The researchers did find that organic milk and chicken contained higher levels of omega3 fatty ac
