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Alcohol use is the number one drug problem among young people. It's easy to understand why. For adults, alcohol is legal, widely 1 in American culture and easily 2 . Many kids can get a drink right in their own homes. 3 are drinking younger and more frequently than 4 , often beginning around age 13, according to studies. The average number of alcoholic drinks among college students is five on a single 5 , according to a recent survey. Among those younger 21, it is 5.5 drinks, and among 6 21 and older, it is 4.2 drinks. Young people almost always begin drinking because of 7 pressure, in an attempt to be accepted and 8 in the group. According to the U.S. Surgeon General, more than half of junior and senior high school students drink alcoholic 9 . More than 40 percent of those who drink admit to drinking when upset, 31 percent admit to drinking 10 , 25 percent admit to drinking when 11 and 25 percent admit to drinking to get ' 12 .' This is a 13 , serious problem 14 college campuses today. In 1997 Harvard University's School of Public Health surveyed students at 130 colleges for a college 15 study and found about two of every five college students 16 in binge drinking. 17 binge drinkers at college were 22 times more 18 than non-binge drinkers to have problems, 19 missed classes, falling behind in school work, getting in trouble or hurt and engaging in 20 sexual activity.
【答案解析】考查名词辨析。teenager“(13~19岁的)青少年”,grown-up“成年人”,children“小孩,儿童”,adult“成年人”。根据上下文,“成年人”显然不合适,A、C两个选项中,A项更加合适,因为这句话后面提到了around age 13,而13岁正好是teenagers的起始年龄。
【答案解析】考查代词辨析。which和whom是关系代词,引导定语从句,前面要有先行词,而空格前没有先行词,所以首先排除,作为指示代词,these和those在用法上的区别是those后面可以加上who引导的定语从句,修饰those,意思是“……的人们”,但these没有这种用法,所以选B项,among those 21 and older其实是“among those who are 21 and older”的省略形式。
【答案解析】考查形容词辨析。possible“可能的,有可能做到的”,lively“充满活力的,活泼的”,likely“可能的,有倾向的”,feasible“可行的,合理的”。lively和feasible可首先排除,possible最常用的结构是It is possible (for sb. ) to do sth. ,而这句话的主语是frequent college drinkers,所以选C项。