舌侧的隆突延长与牙槽嵴顶接触
A.嵌体B.半冠C.烤瓷熔附金属全冠D.桩冠E.3/4冠
参考答案:B
拼写单词。
1. ______ is the fourth day of a week.
2. The writer is busy _______ to his readers' letters.
3. He is such an ______ boy that he never tells a tie.
4. I enjoy surfing the _______ in my free time.
5. Cheer up! I'm sure your dream will come_______ if you work hard from now on.
6. The weather here is quite different from _______ in Hainan Island in winter.
7. How are you getting ______ with your neighbors?
8. The more ______ you do your homework, the more mistakes you will make.
联系实际谈谈义务教育的基本经验。