【单选题】Contrary to what the Heckscher-Ohlin theory would predict, the United States has been a primary importer rather than an exporter of capital goods. This phenomenon is referred to as the _____ paradox.
【简答题】Drinking is not unusual among high-school students. There are numerous __1__ in our society urging people to drink, not the least of which is advertising. Alcohol ads appear with high __2__ in magazin...