2. 外语
  3. 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 n

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 n

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问题     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【C1】______enough food; basic needs in housing and clothing were not【C2】______. Many of these countries looked【C3】______the industrial processes of the developed nations for solution.
【C4】______, problems cannot always be solved by【C5】______the industrialized nations. Industry in the developed nations is highly automated and very【C6】______. It provides fewer jobs than labor-intensive industrial【C7】______, and highly skilled workers are needed to【C8】______and repair the equipment. These workers must be trained,【C9】______many nations do not have the necessary training institutions. Thus, the【C10】______of importing industry becomes higher.  Students must be sent abroad to receive vocational and【C11】______training.【C12】______, just to begin training, the students must【C13】______learn English, French, Germans, or Japanese. The students then spend many years abroad, and【C14】______do not return home.
    All nations agree that science and technology should be shared. The point is: countries【C15】______the  industrial processes of the developed nations need to look carefully【C16】______the costs, be cause ninny of these costs are【C17】______Students from these nations should【C18】______the problems of the industrialized countries closely.【C19】______care, they will take home not the problems of science and technology,【C20】______the benefits.
【C17】
选项 A、exposed
B、vague
C、uncovered
D、hidden
答案D
解析 语义衔接题。根据该句中的because可知，所题词正是这些国家需要look carefully at the costs的原因。如果many of these costs是exposed或uncovered，那这些国家就不需要仔细考虑了，因此排除选项A和C选项B虽然含有负面的含义，但它是指“(轮廓)模糊的；(描述或表达)含糊的”，不符合与costs的搭配，也被排除。
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大学英语四级

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