问题
单项选择题 A1型题
下列选项中不属于固定桥冠内固位体的是（）
A.双面嵌体
B.三面嵌体
C.多面嵌体
D.针型固位高嵌体
E.桩冠
答案
参考答案：E
解析：固定桥固位体包括冠内固位体、冠外固位体、根内固位体。桩冠属于根内固位体。冠内固位体包括双面嵌体、多面嵌体和高嵌体。针型固位高嵌体也属于冠内固位体。
搜题请搜索小程序“爱下问搜题”
下列选项中不属于固定桥冠内固位体的是（）
A.双面嵌体
B.三面嵌体
C.多面嵌体
D.针型固位高嵌体
E.桩冠
参考答案：E
解析：固定桥固位体包括冠内固位体、冠外固位体、根内固位体。桩冠属于根内固位体。冠内固位体包括双面嵌体、多面嵌体和高嵌体。针型固位高嵌体也属于冠内固位体。
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| Professor Green, known to the world as a scientist, is not only absent-minded but short-sighted as well. His mind is always busy 1 scientific problems and seldom notices what is going on 2 him. One fine day recently, he went 3 a walk in the countryside, but as 4 he has a book in his hand. When he went out , he began to read his book . He hadn't gone far 5 he run into a big cow and fell down. In the fall, he had lost his glasses, without which he couldn't see anything. He thought he had hit his head 6 a fat lady. "I'm sorry, Madam." He said politely 7 searching for his glasses. As soon as he had 8 , he realized his mistake. Soon he was fixing his mind on his book 9 and paid no attention to anything else. He had scarcely been walking for five minutes when he fell over again, _10 both his book and his glasses. This time he got very angry, seizing his umbrella, he gave the "cow" a wild blow. Then, after finding his glasses, he realized with horror that he made a second mistake. A large fat woman was fleeing from him in a horror. | ||||
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