[外语类试卷]大学英语四级模拟试卷74及答案与解析.doc
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1、大学英语四级模拟试卷 74及答案与解析 一、 Part I Writing (30 minutes) 1 For this part, you are allowed thirty minutes to write a composition on the topic: Should College Students Take Part-time Jobs. You should write at least 120 words following the outline given in Chinese. 1. 现在很多大学生打工赚钱 2. 人们对大学生打工持不同看法 3. 大学生是否应该打
2、工 二、 Part II Reading Comprehension (Skimming and Scanning) (15 minutes) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions attached to the passage. For questions 1-7, mark: Y (for YES) if the statement agrees with the information given in the p
3、assage; N (for NO) if the statement contradicts the information given in the passage; NG (for NOT GIVEN) if the information is not given in the passage. 2 Is America losing the battle against teen drug abuse? Despite years of anti-drug campaigns, drug use among American teens is increasing dramatica
4、lly. Consider the statistics. The PRIDE(ParentsResource for Drug Education) survey of more than 140,000 students shows that drug use among 11-to-14-year-old children is on the rise, with 11.4 percent of junior middle school and high school students reporting monthly use of marijuana, cocaine, or oth
5、er illegal drugs. In a study issued last year by the National Center on Addiction and Substance Abuse(CASA) at Columbia University, researchers found that drugs are more readily available and used by youth at a younger age than ever before. The findings have sounded a national alarm and ongoing deba
6、te about how to counter the disturbing trend. Last year, President Clinton called the dramatic increase in drug use among Americas youth “the ultimate threat to the future of our country.“ Ironically, todays teenagers are exposed to more drug education than any previous generation the federal govern
7、ment has required public schools to teach drug prevention since 1987. The fact that drug use is still on the rise has caused policymakers, school officials, and parents to reexamine current drug prevention efforts. While many parents call for more governmental and school intervention to tackle the d
8、rug problem, the PRIDE survey revealed that parental involvement plays a key role in teenage use. According to the survey, only 31 percent of parents are warning their children often about the dangers of drugs, and these parental warnings can have a dramatic effect. Students who are given a clear se
9、t of rules reported 57 percent less drug use. “Just by talking to your kids you can decrease drug use probably by about a third,“ said Thomas Gleaton, Jr., president and cofounder of PRIDE. Some schools and parents are tackling the problem on two fronts: talking and testing. In a school in Texas, st
10、udents have taken drug tests voluntarily. Those who passed were given cards entitling them to discounts at 150 local businesses. The discounts served as incentives to keep teens off drugs. And the possibility of random drug tests has helped some youth ward off peer pressure to experiment with drugs
11、in the first place. Modest experiments are under way in other communities across the nation as well. Parents who worry about the possibility of their childs drug abuse are also turning to testing in an effort to help. Drug testing is not a novel concept in todays society. Routine drug testing is par
12、t of the entrance requirement for millions of job applicants nationwide. Most of the Fortune 200 companies require their, employees or job applicants to submit to some form of drug testing. Faced with the uncertainty whether their child is using drugs, parents are taking responsibility for, and cont
13、rol of, their teenagers by administering in-home drug tests. There are two types of over-the- counter drug tests urine or hair analysis. The urine or hair analysis is currently the most widely used method of drug testing, but hair testing is gaining in popularity and support. A principal difference
14、between the two tests is that urinalysis typically reveals drug use during the previous three to four days. Hair analysis, on the other hand, can detect usage for the previous 90 days. When drugs are ingested, they circulate in a persons blood. The circulating blood nourishes the hair follicle so th
15、at trace amounts of the drugs become entrapped in the core of the hair shaft. While people have “beat“ the urine test by abstaining for a few days before testing, drug residues in the hair cannot be washed, bleached, or dyed out. The patent for the hair-drug analysis process has been held by Psychem
16、edics Corporation since 1987 Until last year, Psychemedics which serves a client list that includes General Motors, Harvard Medical School, and the Chicago Police Department, to name a few had no plans to expand into the consumer market. But when requests from concerned parents became overwhelming,
17、the Boston-based Psychemedics began offering its in-home hair sample collection product under the name PDT-90 for personal use. For the test, an inch and one-half snippet of about 50 hairs is collected, put into a plastic bag, and then sent to the companys lab for analysis. Using a technique called
18、radioimmunoassay of hair(RIAH), the company can confirm if illegal drugs marijuana, cocaine, opiates(heroin), methamphetamine, or PCP have been used during the past three months. Parents access the confidential and anonymous test results only through code numbers: TM names are never used. For most p
19、arents and teenagers, hair analysis is less intrusive and embarrassing than urinalysis. “Its probably the friendliest drug test a person will ever take,“ said one business executive who plans on using the test in his family. While some protest the test as an invasion of privacy, others argue that th
20、e non-intrusive test actually empowers a family by tackling the issue before it becomes a problem, or by allowing parents to intervene in a constructive way when their children are using drugs. Families have established drug-free policies in their homes, beginning drug tests would be part of their r
21、ites of passage. To reward drug-free status, these families have initiated incentivescollege savings programs, car insurance premiums, or other positive reinforcements. By bringing the message of the dangers of drugs home, parents are taking an active part in redressing the problem of drug abuse hea
22、d-on. 2 There is a trend that drugs are more readily available and used by youth at a younger age than ever before. ( A) Y ( B) N ( C) NG 3 The author suggests that drug prevention efforts are ineffective. ( A) Y ( B) N ( C) NG 4 Parental involvement plays a limited role in preventing teenage use of
23、 drug. ( A) Y ( B) N ( C) NG 5 By talking to the kids about the danger of taking drugs, drug use among teenagers can be decreased by about a third. ( A) Y ( B) N ( C) NG 6 The urine or hair analysis is currently the most widely used method of drug testing. ( A) Y ( B) N ( C) NG 7 Blood testing is an
24、other widely accepted method of drug testing. ( A) Y ( B) N ( C) NG 8 Using the RIAH technique, it can be confirmed whether a person have used illegal drugs during the past four months. ( A) Y ( B) N ( C) NG 9 _ drug testing is part of the entrance requirement for millions of job applicants nationwi
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- 外语类 试卷 大学 英语四 模拟 74 答案 解析 DOC
