问题
单项选择题 A1/A2型题
牙龈因失去食物按摩失用性萎缩是因为（）。
A.牙冠牙合外展隙不明显
B.牙冠轴面突度过大
C.牙冠轴面无突度
D.牙冠轴面突度过小
E.牙冠邻间隙不明显
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
牙龈因失去食物按摩失用性萎缩是因为（）。
A.牙冠牙合外展隙不明显
B.牙冠轴面突度过大
C.牙冠轴面无突度
D.牙冠轴面突度过小
E.牙冠邻间隙不明显
参考答案：B
| 根据对话内容，从方框中的选项中选出能填入空白处的最佳选项。选项中有两项是多余选项。 | |
| A: Morning, Jack. You don't look well. 1._________ B: Well, I have got a cold. But it's not serious. Hey, Tom, did you see the movie on CCTV 6 last night. A: No, I didn't. 2._________ B: Harry Potter Ⅲ. It was so exciting. So, what were you doing at that time? A: 3._________ I'm not good at English, yon know. B: But English is not very hard to learn. 4._________ A: Thank you for your advice. 5._________ B: It's nearly 7:50. Hurry up, or we'll be late for school.
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