[外语类试卷]专业英语八级(阅读)练习试卷24及答案与解析.doc
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1、专业英语八级(阅读)练习试卷 24及答案与解析 0 Make That a Double A few years ago, it dawned on Zach Thomas that coffee didnt have enough caffeine. At the time, he was pulling all-nighters as a student at the United States Military Academy at West Point. By the time he became an instructor at the U.S. Army Ranger School
2、 in Fort Benning, Ga., he lived by a common saying at his school: “Sleep is a crutch.“ “I used to just drink a pot of coffee, but then you have to go to the bathroom 100 times during the day. If you could just get more caffeine in one cup, then that would be the best of both worlds,“ he says. In 200
3、5 Thomas, now 30, founded Ranger Coffee, with a “hypercaffeinated“ blend that contains double the caffeine of regular coffee, or about 300 milligrams per 12-ounce serving the equivalent of six Diet Cokes. The small, Rockmart, Ga.-based company sells 1,700 bags of coffee a year, nearly half of them t
4、o troops stationed in Iraq. These days you dont have to be a war hero to be a caffeine addict. Everywhere you look, people are wired on caffeine or touting its benefits or both. Tabloids run images of celebrities sipping Red Bull or toting Starbucks venti lattes; Dunkin Donuts ads feature a coffee-s
5、willing Rachael Ray, who moves so fast that she leaves tread marks on the floor. Theres no shortage of ways to get your caffeine fix. Sales of energy drinks like Red Bull and Full Throttle have grown tenfold since 2001, and new ones enter the market weekly. Products that already have caffeine are ad
6、ding more in the past few months Diet Pepsi, Jolt and Mountain Dew have all rolled out extra-caffeinated versions. Novelty items, like caffeinated lip balm, caffeinated sunflower seeds, caffeinated beer and even caffeinated soap (“Tired of waking up and having to wait for your morning java to brew?“
7、) are also popping up in retail stores and nightclubs. In a spoof on this caffeine arms race, the site E launched a “death by caffeine calculator“ that shows a 180-pound adult would have to down 44 tall cups of Starbucks coffee before checking in to the big java house in the sky. Why do we need or w
8、ant so much energy? Conventional wisdom says its because were sleeping less and working more. But government figures show that adults have averaged eight hours of sleep per night since the 1960s. Working hours, at least for men, have also remained constant: men with children have averaged about 43 h
9、ours of paid work per week for the past half century. Of course, that doesnt mean we dont feel more stressed. University of Maryland sociologist Suzanne Bianchi says working mothers entry into the labor force means theres less downtime for families as a whole, with errands, housework and outings pac
10、ked into a tight two-day weekend. As for the young and unattached, they may be getting plenty of sleep, but at irregular hours. They have more options than ever for 24/7 entertainment, from TV to the Internet to video-games. In fact, many of the novelty caffeine products are aimed at computer games
11、who stage weekend-long “LAN parties“ where no one sleeps. But for the general public, the trend is more about getting a legal high. “Caffeine is the worlds most popular mood-altering drug,“ says David Schardt, senior nutritionist at the Center for science in the Public Interest. And companies have b
12、een banking on its addictive properties to bring repeat business. Caffeine can lift your mood, improve concentration, boost physical stamina and, as an active ingredient in Excedrin, help cure headaches. More than 50 percent of caffeine drinkers experience withdrawal symptoms when they stop. By most
13、 accounts, though, the stimulant is fairly safe. “Theres nothing inherently wrong with being dependent on caffeine,“ says Roland Griffiths, a neuroscientist at the Johns Hopkins University School of Medicine, as long as you dont overdose. For those accustomed to caffeine, a moderate intake is 200 to
14、 300 milligrams per day the equivalent of two to three cups of brewed coffee, one Starbucks tall coffee or 3.5 Red Bulls. Exceed 500 to 600 milligrams, and anxiety, nausea and heart palpitations can set in. Griffiths does worry about teenagers, who are drinking more caffeinated beverages: “Im concer
15、ned that impressionable adolescents are exposed to marketing messages that promote caffeine as a performance enhancer will later turn to stronger drugs, like steroids or Ritalin or cocaine.“ More worrisome still is the glamorization of the 24/7 caffeine high. Even Rachael Ray occasionally needs her
16、rest. 1 According to the passage, the following are the effects of caffeine with the EXCEPTION of _. ( A) It can cure diseases. ( B) It can change peoples mood. ( C) It can increase physical strength. ( D) It can make people more concentrate 2 According to the passage, the following are the adverse
17、effects of overdose of caffeine with the EXCEPTION of _. ( A) anxiety ( B) sickness ( C) heart beating ( D) obesity 3 According to the passage, which of the following statements is NOT true about caffeine? ( A) It makes people awake. ( B) It helps alter peoples mood. ( C) Drinking drinks with caffei
18、ne is legal. ( D) Drinks with caffeine are dangerous to peoples healt 4 According to the passage, which of the following statements is NOT true? ( A) People are not supposed to be dependent on caffeine. ( B) People need more energy because they feel more stressed. ( C) Peoples desire for caffeinated
19、 energy products is soaring. ( D) People tend to drink the highest amount of caffeine that is legal. 5 Which of the following suggests the real cause for the high need of caffeine? ( A) It is harmless. ( B) It can enhance performance. ( C) It helps with peoples way of feeling. ( D) People are sleepi
20、ng less and working mor 5 The World Banks Real Problem The World Bank is undeniably in crisis. But not because its president, Paul Wolfowitz, got his girlfriend a raise. It is the Wolfowitz saga that has been grabbing all the headlines, of course. The Iraq- war architect was plucked from the Defense
21、 Department and deposited by President George W. Bush at the World Bank in 2005 (by tradition, the U.S. President picks the banks chief). At the time, Wolfowitz informed the banks ethics committee that he was seeing Shaha Riza, a communication adviser at the bank, and the in-house ethicists told him
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