问题
单项选择题
下述二尖瓣型心脏的影像特点，错误的是()
A．心腰隆起
B．右心缘较突出
C．形态近于梨形
D．主动脉结影增宽
E．常见于二尖瓣病变、房间隔缺损和肺源性心脏病
答案
参考答案：D
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下述二尖瓣型心脏的影像特点，错误的是()
A．心腰隆起
B．右心缘较突出
C．形态近于梨形
D．主动脉结影增宽
E．常见于二尖瓣病变、房间隔缺损和肺源性心脏病
参考答案：D
When a rather dirty, poorly dressed person kneels at your feet and puts out his hands to beg a few coins, do you hurry on, not what to do, or do you feel sad and hurriedly some money? What should our attitude beggars be? There can be no question that the world is full of terribly sad stories. It be terrible to have no idea where our next meal is going to come from. It seems not to give some money to beggars. , most of the world's great religions order us to be open-hearted and what we have with those less lucky than ourselves. But has the world changed? Maybe what was morally right in the old days, one knew exactly who in the village had suffered misfortune and needed help, is no longer the best idea. Quite a few people will not give to beggars. Let us look at their . First, some believe that many city beggars dress up to look pitiable and actually make a good from begging. Giving to beggars only encourages this sort of evil. , there is the worry that the money you give will be spent on beer, wine or drugs. Thirdly, there is the opinion there is no real excuse for begging. One might be poor, but that is no reason for losing one's sense of and self-dependence. There is an opinion that the problem should be handled by the government ordinary people. Some people think beggars should go to the local government department and help. It is hard to come to any final conclusion: there are various and we must them differently. A few coins can save a life in some situations, and even if the money is wasted, that does not take away the moral goodness of the .
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