They overcame all the difficulties and______(提前两个月完工).

usual

complicated

unique

common

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.

poverty,

extinction.

revolution.

evolution.

Dear Sally,

I write this report to give a brief account of German economy. Please read through it and make any comment as you like. Thanks!

Bob

Recovery in Germany will remain halting through the year. The economy barely grew in the first quarter after two quarters of (19) , and while export-oriented businesses are making headway, domestic demand remains (20) The economy will struggle to grow 1% this year.

Both consumer spending and business investment (21) in the first quarter, and neither is gaining (22) in the second. Retail sales in May fell for the second month in a row, as May unemployment posted the largest rise in five years. The jump resulted in (23) from new legislation, strike activity and holidays but it also (24) a large number of job losers and poorer (25) of finding a job. Economic growth won’t be strong enough to improve the labor market significantly until next year.

Business (26) is improving slowly. The closely watched (27) from the IFO institute dropped in June, and attitudes are mixed. Big exporters seem more (28) , but builders and retailers are more (29) On June 24, Germany’s retail trade association (30) its sales forecast for this year.

On the plus side, weak domestic demand and falling oil prices are (31) inflation and delaying the urgency for the European Central Bank to raise interest rates. The euro’s 12% rise vs. the dollar since February is an additional inflation dampener.

Eventually, rising exports will (32) capital spending, and consumers will benefit from rising pay -- helped by recent wage (33) -- along with low inflation and interest rates and planned tax cuts. But that is next year’s story.

Y

N

NG

research workers follow unexpected, interesting clues.

scientists make a discovery first, and then try to use it.

it is the man rather than the project who is given support.

results of practical value are to be achieved.