大跨越路径应结合全线路径进行多方案综合技术经济比较后提出推荐方案.

Drug use is rising dramatically among the nation’ s youth after a decade of decline. From 1993 to 1994, marijuana use among young people (1) from 12 to 17 jumped 50 percent. One in five high school seniors (2) marijuana daily. Monitoring the Future, which (3) student drug use annually, reports that negative attitudes about drugs have declined for the fourth year in a row. (4) young people see great risk in using drugs. Mood-altering pharmaceutical drugs are (5) new popularity among young people. Ritalin, (6) as a diet pill in the 1970s and now used to (7) hyperactive children, has become a (8) drug on college campuses. A central nervous system (9) , Ritalin can cause strokes, hypertension, and seizures. Rohypnol, produced in Europe as a (10) tranquilizer, lowers inhibitions and suppresses short-term memory, which has led to some women being raped by men they are going out with. (11) taken with alcohol, its effects are greatly (12) . Rock singer Kurt Cobain collapsed from an (13) of Rohypnol and champagne a month before he committed (14) in 1994. In Florida and Texas, Rohypnol has become widely abused among teens, who see the drug as a less expensive (15) for marijuana and LSD. Alcohol and tobacco use is increasing among teenagers, (16) younger adolescents. Each year, more than one million teens become regular smokers, (17) they cannot legally purchase tobacco. By 12th grade, one in three students smokes. In 1995, one in five 14-year-olds reported smoking regularly, a 33 percent jump (18) 1991. Drinking among 14-year-olds climbed 50 percent from 1992 to 1994,and all teens reported substantial increases in (19) drinking. In 1995, one in five 10th graders reported having been drunk in the past 30 days. Two-thirds of high school seniors say they know a (20) with a drinking problem.

Read the following text. Choose the best word (s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1.9（）

A．stimulus

B．stimulant

C．excitement

D．encouragement

咳嗽是呼吸道受到刺激的结果。（）

在国内1425个电子图书网站中，原创网站仅占4.49%。严重的盗版问题，导致国内电子图书市场迟迟不能进入迅速发展阶段，其销售收入也远不能同传统纸质图书市场相比。 由此可以推出( )。

A．解决了盗版问题，国内电子图书市场就可以迅速发展

B．原创网站也存在盗版问题

C．必须减少电子图书网站的数量才能促使电子图书市场的发展

D．国内电子图书市场远未发育成熟

转动诺兰达炉使风口在熔池面上，就可有效控制熔炼过程，降低熔炼反映速度

关于EAD安全检查中的可控软件组检查，以下说法正确的是（）。

A.配置软件安装检查时，软件名称必须与添加删除程序中显示的软件名称完全一致

B.配置Windows服务检查时，服务名称必须与Window服务管理器中，服务的属性中显示的服务名称一致

C.当可控软件组的策略是禁止类型时，只要可控软件组中有一项检查不通过则认为可控软件组检查不通过

D.当可控软件组的策略是允许类型时，可控软件组中的所有检查项必须都通过才认为可控软件组检查通过