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问题 单项选择题

无产阶级革命取得胜利的根本保证是

A．无产阶级政党的正确领导

B．建立革命的统一战线

C．人民群众革命积极性的极大提高

D．非常成熟的革命形势

答案

参考答案：A

解析： 这是马克思列宁主义的无产阶级革命理论。马克思列宁主义认为，无产阶级革命要取得胜利，革命的主客观条件必须成熟，除了具备D“非常成熟的革命形势”之外，A“无产阶级政党的正确领导”是革命成功的根本保证。

单项选择题

上颌骨骨折后骨折片移位方向一般是

A．向后上

B．向后内

C．向后下

D．向后外

E．向内前
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填空题

Today’s lecture is about the mass (1) of the world’s population. There are two major (2) why people are moving to cities. The first reason is (3) . People are moving to the cities because that’s where they can find (4) and earn money. The second reason for the move to cities has to do with (5) of life issues: comfort and (6) . Cities often offer better (7) . And then for many, city life is just more (8) . An interesting consequence of urbanization is that the average (9) of people in the countryside is increasing, while that of the cities is (10) .
Three key (11) can be identified in our cities. First of all, they’re getting bigger. Most cities are bigger now than ever before. Cities are also changing shape. They’re getting (12) , because land is getting more and more expensive. (13) have become a symbol of modern cities.
Cities are also changing shape in other ways. The (14) Model and the (15) Nuclei Model are probably more typical of the cities we know today. They show the urban (16) that’s occurring in contemporary cities.
The third change is that our cities are breaking up into (17) communities, often by (18) group or (19) level. This often means that people stay within their community and do not come into contact with others from different (20) .
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