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问题 单项选择题

关于非阵发性房室交界区性心动过速错误的是（）

A.最常见的原因是洋地黄中毒

B.发作时突发突止

C.发生与房室交界区组织的自律性增高或触发活动有关

D.心律通常规则，Q阳波群正常

E.通常能自行消失

答案

参考答案：B

选择题

《中华人民共和国物权法》明确了国有财产、私有财产和集体财产平等保护的原则，规定公民的合法财产不容侵犯。这一规定
A．意味着各类不同权属的财产对社会发展具有同等的作用

B．体现了国家运用经济手段和法律手段促进财政收支平衡
C．有利于调动人们的创业热情，让创造财富的源泉充分涌流
D．有利于确立个体、私营等非公有制企业的市场主体地位
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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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