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【单选题】
下列关于一侧急性颞下颌关节前脱位临床表现的描述．正确的是A.
耳屏前、颧弓下不能触及髁突
B.
下颌中线偏向患侧
C.
下颌中线偏向侧
D.
下颌中线不偏
E.
双侧后牙早接触
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【简答题】设有关系R、S和T如下。关系T是由R和S经过什么操作得到的?
【简答题】Cities usually have a good reason for being where they are, like a nearby port or river. People settle in these places because they are easy to get to and naturally suited to communications and trade....
【简答题】设有关系R、S和T如下。关系T是由R和S经过什么操作得到的?
【简答题】完型填空。 Bruce likes playing 1 a river. But there 2 a river near his new house. He is not very happy. One day, he asks 3 mother,' 4 a river near here?''No, there 5 ',his mother says, 'But 6 new house has...
【单选题】在管壳式换热器中，粘度大的液体或流量较小的流体宜走（），因流体在有折流挡板的壳程流动时，由于流速和流向的不断改变，在低Re值（Re＞100）下即可达到湍流，以提高对流传热系数。
A.
管内
B.
管间
C.
管径
D.
管轴
【简答题】Cities usually have a good reason for being where they are, like a nearby port or river. People settle in these places because they are easy to get to and naturally suited to communications and trade....
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