富铝化过程

“鱼米之乡”和“天府之国”分别指的是[ ]

A．长江中下游平原、华北平原

B．东北平原、华北平原

C．长江中下游平原、成都平原

D．四川盆地、东北平原

如果客人是房金含早或者免费送早，由（）。

《继电保护和电网安全自动装置检验规程》规定，操作箱检验时应注意：对分相操作断路器，应逐相传动（）回路。

动水压力是地下水在流动过程中所施加于岩体颗粒上的力，它是一种体积力，对于动水压力的说法，下列不正确的是（）。

A.动水压力的方向和水流方向平行，在近似计算中，多假定与地下水面或滑面平行

B.在边坡实际计算中，由于渗流方向不是定值，水力梯度不易精确确定，一般采用不同的滑体容重将动水压力的影响计入

C.在地下水位以下、静水位以上有渗流活动的滑体，计算下滑力时，采用浮容重，计算抗滑力时，采用饱和容重

D.如动水压力方向和滑体滑动方向不一致，则应分解为垂直和平行于滑面的两个分量参与计算

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.

12（）

A.enlarged

B.confirmed

C.exaggerated

D.magnified