Drug use is rising dramatically among the

题型:单项选择题

问题:

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.

2()

A.tastes

B.smokes

C.injects

D.takes

考点:普通考研西医综合西医综合
题型:单项选择题

在市场调研的问卷设计中,‘运用多项选择题设计问卷时,可能遇到的主要问题是()。

A.设计时间过长

B.设计成本较高

C.回答时间不容易控制

D.选项没有涵盖所有可能的内容

题型:单项选择题

呈碱性的肽链是()

A.甘-缬-谷-天-苯丙

B.赖-组-精-甘-赖

C.天-谷-甘-缬-丙

D.半-天-苯丙-甘-丝

E.缬-甘-天-谷-苯丙

题型:单项选择题

如图3-342所示对于相同材料的等截面轴心受压杆件,在以下几种不同情况下,其承载力比较的结果为:()

A.P1=P2<P3

B.P1=P2>P3

C.P1<P2<P3

D.P3<P1<P2

题型:单项选择题

《档案法》规定乡、镇人民政府档案工作人员的职责是什么?

题型:单项选择题

以下选项中,不是交谈的禁忌是()。

A、以迎合对方

B、忌纠正对方

C、忌质疑对方

D、忌打断对方

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