问题
单项选择题
患者男，66岁，
缺失，拟行可摘局部义齿修复，但患者对塑料严重过敏，余牙及缺牙间隙正常
若对该患者基牙设计正型卡环，其固位力多少为宜（）
A.200～300g
B.300～400g
C.400～500g
D.500～600g
E.600～700g
答案
参考答案：D
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患者男，66岁，缺失，拟行可摘局部义齿修复，但患者对塑料严重过敏，余牙及缺牙间隙正常
若对该患者基牙设计正型卡环，其固位力多少为宜（）
A.200～300g
B.300～400g
C.400～500g
D.500～600g
E.600～700g
参考答案：D
| 选择方框中单词的适当形式补全短文内容，每词限用一次。 | |
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| I am Zhang Yu. I am a student in Yuxin Middle School. My 1 is very big. There are about 3, 000 2 in our school, and we have lessons (上课) in different 3 . There is a tall building near the school gate. The 4 and the teachers' offices are in the same building. There is a 5 behind the building. We can borrow (借) 6 from it. Next to the library is our science lab. We have 7 lessons in it. We have a gym 8 our school, and it is behind the science lab. There are 9 trees and flowers in our school. Our school 10 nice. We like it very much. |