关于腭小凹，叙述错误的一项是
A．位于硬、软腭连接处
B．在腭中缝两侧对称的两个或几个小凹
C．是黏液导管的开口
D．是前颤动线的定位标志
E．上颌全口义齿基托的后缘应终止于此
参考答案：E
解析： 从专业知识判断，腭小凹是位于软硬腭连接处、腭中缝两侧对称的两个或几个小凹，是黏液腺导管的开口。上颌全口义齿的后缘应盖过腭小凹后2mm处。由此推断，叙述错误的一项是E，故选E。
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| Joe Brown had a shop where he 1 meat. One day a woman 2 into the shop at five to one. "I'm sorry. I'm late," she said. "I 3 some more meat for my dinner tonight." Joe had only one 4 of meat in his shop. He took it 5 the fridge and said, "This is $6.50." "That piece is too 6 ," the woman said. "Haven't you got anything bigger?" Joe 7 into the room behind his shop, put the meat into the fridge, took it out again and closed the door 8 a lot of noise. Then he brought the piece of meat to the woman and said, "This piece of meat is bigger and 9 expensive. It's $8.75." "Good," the woman said with a smile. "Give me 10 of them, please." | ||||
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