1、.阅读理解Companies can save millions in healthcare costs simply by encouraging their employees to exercise a little bit.Researchers report that obese employees have higher healthcare costs, but they can lower those expenses by exercising just a couple of times a weekwithout even losing any weight.Feifei
2、 Wang and his colleagues at the University of Michigan studied 23,500 workers at General Motors.They estimated that getting the most obese workers to exercise would have saved about $790,000 a year, or about 1.5 percent of healthcare costs for the whole group.Companywide, the potential savings could
3、 reach $7.1 million per year, according to their report published in Journal of Occupational and Environmental Medicine.Of the whole group of workers, about 30 percent were of normal weight, 45 percent were overweight, and 25 percent were obese.Annual healthcare costs averaged $2,200 for normal weig
4、ht, $2,400 for the overweight, and $2,700 for obese employees.But among workers who did no exercise, healthcare costs went up by at least $100 a year, and were $3,000 a year for obese employees who were sedentary(久坐的)But adding two or more days of light exerciseat least 20 minutes of exercise or wor
5、k hard enough to increase heart rate and breathinglowered costs by on average $500 per employee a year, the researchers found.“This indicates that physical activity behavior could lessen at least some of the negative effects of excess body fat, and in consequence, help lower the increasing healthcar
6、e costs，” Wang and his colleagues wrote.本文是一篇说明文。公司要降低保健方面的费用，那就应该大力提倡员工多花时间锻炼身体。1The researchers believe companies can spend far less on healthcare costs _.Aby encouraging employees to lose weightBby limiting the number of obese employeesCby persuading employees to do physical activitiesDby limitin
7、g the employment of sedentary workers答案：C解析：细节理解题。根据第一段第一句“Companies can save millions in healthcare costs simply by encouraging their employees to exercise a little bit.”可知，公司要想在保健方面减少支出，就得鼓励员工多锻炼。故C项正确。2What does the underlined word “obese” in Paragraph 2 mean?AToo strong.BToo tall.CToo big. DToo
8、fat.答案：D解析：词义猜测题。根据第一段第二句“Researchers report that obese employees have higher healthcare costs, but they can lower those expenses by exercising just a couple of times a weekwithout even losing any weight.”以及第二段第二句“They estimated that getting the most obese workers to exercise would have saved about
9、$790,000 a year, or about 1.5 percent of healthcare costs for the whole group.”可知，obese意为“臃肿的，肥胖的”。故D项正确。3Who were those that the researchers studied?ASome workers from a carmaking company.BSome students from the University of Michigan.CA group of obese patients in a Michigan hospital.DThe most obes
10、e group of workers at General Motors.答案：A解析：细节理解题。根据第二段第一句“Feifei Wang and his colleagues at the University of Michigan studied 23,500 workers at General Motors.”可知，研究对象是一家汽车制造公司的员工。故A项正确。4How much could General Motors save according to Wangs study?A$790,000 a year. B$7.1 million a year.C$52.67 mill
11、ion a year. D$11.75 million a year.答案：B解析：细节理解题。根据第二段最后一句“Companywide, the potential savings could reach $7.1 million per year, according to their report.”可知，B项正确。.七选五We think the tomato is a vegetable，but it is actually a fruit.Because it is not sweet and is used for providing flavour to food，we th
12、ink of it as a vegetable.The tomato is originally from Mexico._1_Spanish explorers who went to South America about 500 years ago，brought back the tomato to Europe.The French called them love apples，while the British called them apples of gold.Young men made necklaces of tomato seeds and presented th
13、em to their loved ones._2_As far back as 500 years ago，the joy of eating fried tomato with salt and pepper，was known to them.They discovered that tomatoes made a very good companion to pasta and cheese dishes.In other countries like England，tomatoes were thought to have poison in them._3_But people
14、grew them in their gardens because of their attractive colour and look.They even thought that tomatoes caused fatal diseases._4_It is believed that the British brought the tomato to India._5_Gradually，the people of Bengal started discovering that the tomato gave a good flavour to their curries.Today
15、，the whole world is crazy about the tomato，whether it is in the form of ketchup，soup or curry flavour.AThis was about 300 years ago.BDo you know what a tomato consists of?CThe first people in Europe to eat tomatoes were Italians.DThat was because tomatoes were related to poisonous plants called the belladonna.EThe name comes from the Mexican tomato.FBut they soon got over their fear of the trait.GThe first man to eat tomato is unknown.答案1E2.C3.D4.F5.A
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