问题
单项选择题
固定义齿固位体设计，不正确的是
A．固定义齿固位力应高于个别牙修复
B．双端固定桥两端基牙固位体的固位力应基本相等
C．各固位体之间有共同就位道
D．基牙有缺损或畸形者，设计固位体时分开修复
E．简单桩冠一般不作为固位体
答案
参考答案：D
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固定义齿固位体设计，不正确的是
A．固定义齿固位力应高于个别牙修复
B．双端固定桥两端基牙固位体的固位力应基本相等
C．各固位体之间有共同就位道
D．基牙有缺损或畸形者，设计固位体时分开修复
E．简单桩冠一般不作为固位体
参考答案：D
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| Our neighborhood used to be very quiet. However,these days, 1 things are happening in our neighborhood and everyone is unhappy. Zhao Jun, the local school teacher is extremely 2 . When he was interviewed by the local newspaper, he said, "Every night we hear strange noises 3 our window. My wife thinks that is could be an 4 , but my friends and I think it must be teenagers having 5 . My parents called the police, but they can't 6 anything strange. They think it might be the 7 . I don't think so!" Zhao Jun's next door neighbor Xiang Dan is 8 , too. "At first, I thought it might bea cat, but I can't see a cat, and I still hear the noises outside." Everyone in our neighborhood is worried, and everyone has his or her own 9 . There must be somthing 10 the homes in our neighborhood, but what is it? | ||||
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