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问题 单项选择题

ARPA中设置的警戒（圈）一般都是这样来报警的（）

A、目标处在警戒区（圈）时

B、目标处即将闯入警戒区（圈）时

C、目标处在警戒区（圈）外时

D、目标处正在闯入警戒区（圈）时

答案

参考答案：D

填空题

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 【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
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单项选择题

CorelDRAW中，对象图形的变换类型有（）、旋转变换、比例变换、大小变换、倾斜变换

A.位置变换

B.像素变换

C.三维变换

D.镜像变换
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