2. 外语
  3. During the 1980s, unemployment and underemployment in some countries was as high as 90 percent. Some countries did not【C1】______

During the 1980s, unemployment and underemployment in some countries was as high as 90 percent. Some countries did not【C1】______

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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【C1】______ enough food; basic needs in housing and clothing were not【C2】______ . Many of these countries looked to the industrial processes of the developed nations【C4】______  solutions.
     【C3】______ , problems cannot always be solved by copying the industrialized nations. Industry in the developed nations is highly automated and very  【C5】______ . It provides fewer jobs than labor-intensive industrial processes, and highly【C6】______ workers are needed to  【C7】______ and repair the equipment. These workers must be trained,【C8】______ many nations do not have the necessary training institutions. Thus, the【C9】______ of importing industry becomes higher.
    Students must be sent abroad to【C10】______  vocational and professional training.【C11】______   , just to begin training, the students must【C12】______ learn English, French, German, or Japanese.  The students then spend many years abroad, and【C13】______ do not return home.
    All nations agree that science and technology 【C14】______ be shared. The point is: countries【C15】______ the industrial processes of the developed nations need to look carefully【C16】______  the costs, because many 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、opaque
B、secret
C、sealed
D、hidden
答案A
解析 opaque adj．不透明的，不传热的，迟钝的；secret adj．秘密的，隐秘的，幽静的；sealed adj．未知的，密封的；hidden adj. 隐藏的。根据上下文，这里选用opaque切题。故答案为A。
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