问题
单项选择题 B1型题
为最大开颌时各结构正常的位置关系的是（）
A.髁突位于下颌窝中央，前、后、上间隙基本相等
B.颞肌后束、二腹肌前腹、下颌舌骨肌和颏舌骨肌等舌骨上肌收缩
C.髁突的横嵴、关节盘中带、关节结节顶三者相对
D.工作侧同名牙尖及非工作侧异名牙尖相对
E.上下颌牙列之间保持息止
间隙
答案
参考答案：C
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为最大开颌时各结构正常的位置关系的是（）
A.髁突位于下颌窝中央，前、后、上间隙基本相等
B.颞肌后束、二腹肌前腹、下颌舌骨肌和颏舌骨肌等舌骨上肌收缩
C.髁突的横嵴、关节盘中带、关节结节顶三者相对
D.工作侧同名牙尖及非工作侧异名牙尖相对
E.上下颌牙列之间保持息止间隙
参考答案：C
| |
| 根据表格内容，选择最佳答案。 | |
| 1. You cannot stay in Sun Hotel in _____. | |
| A. February. B. January. C. March. D. April. | |
| 2. During what time is the price of the hotels most expensive? | |
| A. 1 Oct.~21 Dec. B. 1 Jan. ~31 Mar. C. 1 May~31 May. D. 1 Jun.~30Sep. | |
| 3. Mr. Brown likes swimming very much. Which hotel is better for him? | |
| A. Sun Hotel B. Rose Hotel C. Sun Hotel and Rose Hotel D. I don't know. | |
| 4. If you choose the cheaper hotel to stay in August, you can save _____each night. | |
| A. ￥180 B. ￥150 C. ￥120 D. ￥100 | |
| 5. The word "position" means_____. | |
| A. name B. address C. age D. place |