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下列句子的语序排列正确的一项是[ ]

①殊不知在大自然面前，人类永远只是一个天真幼稚的孩童。

②虽然这个水滴也映照着大海，但毕竟不是大海。

③他只是大自然机体上普通的一部分，正像一株小草只是她的普通一部分一样。

④人们常常把人与自然对立起来，宣称要征服自然。

⑤如果说自然的智慧是大海，那么，人类的智慧就只是大海中的一个小水滴。

⑥可是，人们竟然不自量力地宣称要用滴水来代替大海。

A．①④③⑤②⑥

B．③④⑤⑥①②

C．④①③⑤②⑥

D．④①③②⑤⑥

答案

答案：C

单项选择题

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.

7（）

A.treat

B.cure

C.diagnose

D.test
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组合钢模板应如何拆除？
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