问题
单项选择题
缺失，余留牙正常口底至舌侧龈缘的距离为10mm。设计铸造支架义齿，采用RPI卡环组
如果大连接体采用舌杆，间接固位体可选（）。
A．
舌支托
B．切支托
C．附加卡环
D．前牙舌隆突上的连续卡环
E．以上均可
答案
参考答案：D
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缺失，余留牙正常口底至舌侧龈缘的距离为10mm。设计铸造支架义齿，采用RPI卡环组
如果大连接体采用舌杆，间接固位体可选（）。
A．舌支托
B．切支托
C．附加卡环
D．前牙舌隆突上的连续卡环
E．以上均可
参考答案：D
| Read and choose. 阅读短文,选择正确的答案。 |
| Yesterday I walked to the park and played with my sister Jing. We saw many people playing happily. Some were talking, some were walking, some were flying kites. And some were laughing loudly. Jing and I were flying a kite. It was high in the sky. We had a good time. We also helped a little girl. She cried because she fell and hurt her knee. |
| 1. Yesterday we went to the . |
[ ] |
| A. zoo B. park C. restaurant |
| 2. Jing is my . |
[ ] |
| A. friend B. sister C. classmates |
| 3. Jing and I were in the park. |
[ ] |
| A. talking B. flying a kite C. playing |
| 4. They helped . |
[ ] |
| A. a little girl B. a boy C. a baby |
| 5. They to the park. |
[ ] |
| A. run B. walked C. ride |