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问题 选择题

读“我国东部某地区局部示意图”，回答1—2题。

1．若图示地区位于东北平原中部，下列说法正确的是 [     ]

A．①地以种植冬小麦为主

B．②地利于发展蔬菜种植

C．③地最适宜种植苹果树

D．④地应大力发展乳畜业

2．若图示地区位于南部沿海地区，下列说法错误的是 [     ]

A．①地以种植水稻为主

B．②③两地发展城郊农业条件优越

C．④地可以因地制宜发展立体农业

D．耕作制度为两年三熟或一年两熟

答案

1、B

2、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．for

B．at

C．on

D．about
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单项选择题

下面关于催化剂说法不正确的是（）。

A.影响催化剂寿命的因素主要有催化剂的老化和中毒

B.活性和选择性是催化剂最基本的性能指标

C.催化剂的稳定性包括物理稳定性、化学稳定性和生物稳定性

D.工业催化剂多数是由多种元素组成的复杂体系
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