【单选题】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 schoo...
【单选题】The rising rate of house prices is usually faster than that of inflation and so the American government sometimes adjusts the property taxes to make it exceed the rate of inflation.