问题
单项选择题 A1/A2型题
以下不是覆盖义齿的缺点的是()
A.覆盖的基牙易龋坏
B.覆盖基牙易发生牙龈炎症
C.覆盖的牙槽嵴易发生骨质吸收
D.义齿制作困难
E.在基牙上安放附着体费用较高
答案
参考答案:C
以下不是覆盖义齿的缺点的是()
A.覆盖的基牙易龋坏
B.覆盖基牙易发生牙龈炎症
C.覆盖的牙槽嵴易发生骨质吸收
D.义齿制作困难
E.在基牙上安放附着体费用较高
参考答案:C
用下列短语的适当形式填空。 | |
2. Tom studied late at night pass the exam. 3. I believe people could travel in space . 4. Who said we couldn't play with toys when we ? 5. The math problem is very difficult, so she fails to the right answer. 6. This planet is 303,297,200 kilometres, and we can't see it with our eyes. 7. Remembering these words is hard, but it . 8. The carriage (马车) is used in most cities nowadays. 9. A new film will be on tomorrow morning, and Jack was thinking about it this afternoon. 10. In 2008, you will see people gather in Beijing to join the Olympic Games. |