混合支持式义齿受力后,力由()
A.基牙承载
B.支托承载
C.基牙和基托下黏膜、牙槽骨承载
D.基托承载
E.基托下的黏膜、牙槽骨承载
参考答案:C
句型转换。(每空一词)
1. It's an English map.(变一般疑问句)
____ ____ an English map?
2. Is that her computer?(作否定回答)
____, it _____.
3. It's a pen.(对画线部分提问)
_____ _____ it?
4. C-A-S-E,case.(对画线部分提问)
_____ _____ you spell case?
5. My name is John.(该为同义句)
____ ____ John.
货币性项目包括的内容?