During the 1980s, unemployment (失业人数) and underemployment (不充分就业) in some countries was so high as 90 per cent. Some countries did not 【B1】 enough food; basic needs in housing and clothing were not 【B2】 . Many of these countries looked 【B3】 the industrial processes of the developed nations for solution. 【B4】 , problems cannot always be solved by 【B5】 the industrialized nations. Industry in the developed nations is highly automated and very 【B6】 . It provides fewer jobs than labor-intensive industrial 【B7】 , and highly skilled workers are needed to 【B8】 and repair the equipment. These workers must be trained, 【B9】 many nations do not have the necessary training institutions. Thus, the 【B10】 of importing industry becomes higher. Students must be sent abroad to receive vocational and 【B11】 training. 【B12】 , just to begin training, the students must 【B13】 learn English, French, Germans, or Japanese. The students then spend many years abroad, and 【B14】 do not return home. All nations agree that science and technology should be shared. The point is: countries 【B15】 the industrial processes of the developed nations need to look carefully 【B16】 the costs, be cause ninny of these costs are 【B17】 Students from these nations should 【B18】 the problems of the industrialized countries closely. 【B19】 care, they will take home not the problems of science and technology, 【B20】 the benefits.
A．Frequently
B．Gradually
C．Presumably
D．Eventually
参考答案：A
解析：语义衔接题。从选项可以看出，此处要求填入一个副词修饰全句。这就要求结合上下文语境做出判断。第二段倒数第三句是说“必须把学生送到国外接受职业培训”。第二段最后两句是说把学生送到国外后的情况。选项[A] Frequently表示某种情况发生的频率很高，符合文章的语境要求。[B] Gradually表示事态的发展；[C] Presumably表示推测；[D] Eventually表示某事的结果。