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

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

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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.
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机构。
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