2. 外语
  3. During the 1980s, unemployment and underemployment in some countries was as high as 90 percent. Some countries did not 【21】____

During the 1980s, unemployment and underemployment in some countries was as high as 90 percent. Some countries did not 【21】____

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问题      During the 1980s, unemployment and underemployment in some countries was as high as 90 percent. Some countries did not  【21】______   enough food; basic needs in housing and clothing were not  【22】______   . Many of these countries looked to the industrial processes of the developed countries  【23】______   solutions.
     【24】______   , problems cannot always be solved by copying the industrialized countries. Industry in the developed countries is highly automated and very  【25】______   . It provides fewer jobs than labor-intensive industrial processes, and highly  【26】______   workers are needed to  【27】______   and repair the equipment. These workers must be trained  【28】______   many countries do not have the necessary training institutions. Thus, the  【29】______   of importing industry becomes higher. Students must be sent abroad to  【30】______   vocational and professional training.  【31】______   , just to begin training, the students must  【32】______   learn English, French, German, or Japanese. The students then spend many years abroad, and  【33】______   do not return home.
     All countries agree that science and technology  【34】______   be shared. The point is: countries  【35】______   the industrial processes of the developed countries need to look carefully  【36】______   the costs, because many of these costs are  【37】______   . Students from these countries should  【38】______   the problems of the developed countries closely.  【39】______   care, they will take home not the problems of science and technology,  【40】______   the benefits.  
【28】
选项 A、since
B、so
C、and
D、yet
答案D
解析 yet最常用的是副词形式相当于already“已经”，用于疑问句和否定句中，如：Has John arrived yet?约翰来了吗?但是在这里却是用做连词，表示“但是，然而”。本句意为这些工人必须培训，然而，那些国家却没有必须的培训费。
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