[单项选择]In West Virginia and in New York, one out of four students drops out of high school. In Washington, DC, the (47) are even worse. One half of all high school students never (48) Nationwide, the overall dropout rate is (49) 29%. Many say they drop out because they are bored. Because of this, U.S. educators are trying to figure out a way to stop this (50) trend. In Milwaukee, some schools are having lotteries for used cars for students who stay in school. In Philadelphia, at-risk students are being (51) summer jobs for staying in school. But in a New Jersey high school, one principal is using money, not jobs, as an incentive (刺激). This school received a hundred thousand dollar (52) to pay students who are at risk of dropping out. When these students go to school on time, bring their notebooks, and do their homework, they (53) five dollars a day. This means students can bring home a twenty-five dollar check every week for going to classes five days in a row. While the pr