问题
单项选择题 A3/A4型题
男，55岁，
缺失，拟以
为基牙，行塑料基托可摘局部义齿修复。
基牙，其上应设计的卡环为（）
A.三臂卡
B.隙卡
C.联合卡环
D.双臂卡
E.对半卡环
答案
参考答案：B
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男，55岁，缺失，拟以为基牙，行塑料基托可摘局部义齿修复。
基牙，其上应设计的卡环为（）
A.三臂卡
B.隙卡
C.联合卡环
D.双臂卡
E.对半卡环
参考答案：B
| 完形填空。 |
| One day, an old lady wanted to go to London to see her daughter. She 1 early and reached the small station 2 nine o'clock in the morning. 3 this was her first trip to London, she didn't know the train time. She was worried. At that moment, she 4 a little boy running to her. She stopped him and asked him what time the train would 5 the station and when the train would leave 6 London. The boy looked at the old woman and said, "Tu, Tu, Tu, Tu, Tu, Tu," just firing a gun. Then he ran 7 . The old lady was very surprised and got 8 . She sat in a chair and thought the boy's 9 . Then she began to 10 . She could not help crying out, "What a clever boy! He tells me the time in such a way." Do you know the time? |
| ( ) 1. A. get up ( ) 2. A. at ( ) 3. A. So ( ) 4. A. heard ( ) 5. A. arrive ( ) 6. A. to ( ) 7. A. away ( ) 8. A. happy ( ) 9. A. face ( ) 10. A. cry | B. gets up B. on B. Then B. listened B. get B. for B. off B. happily B. words B. sleep | C. got up C. in C. And C. looked C. arrive in C. in C. out C. angry C. mouth C. smile | D. look up D. of D. Because D. watched D. get to D. at D. back D. angrily D. toys D. wake |