问题
单项选择题
Begg技术把整个矫治过程分为三期，第一期的矫治目标是（）。
A.打开前牙咬合，解除前牙拥挤，排齐前牙，矫正磨牙反
和锁
B.关闭后牙间隙，矫正扭转的前磨牙，调整磨牙关系至Ⅰ类关系
C.获得所穷牙齿理想的倾斜度和轴倾角
D.拉尖牙向远中
E.牙位及接触关系的进一步调整
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
Begg技术把整个矫治过程分为三期，第一期的矫治目标是（）。
A.打开前牙咬合，解除前牙拥挤，排齐前牙，矫正磨牙反和锁
B.关闭后牙间隙，矫正扭转的前磨牙，调整磨牙关系至Ⅰ类关系
C.获得所穷牙齿理想的倾斜度和轴倾角
D.拉尖牙向远中
E.牙位及接触关系的进一步调整
参考答案：A
| 阅读理解。 | ||||
| ||||
| 1. If you work as a driver in the restaurant, you may ________. | ||||
| A. never pay for meals B. pay a little for meals C. work in the morning D. work in the afternoon | ||||
| 2. If you buy the house, you ________. | ||||
| A. may pay ~ 150,000 for it B. must have breakfast in the kitchen C. may have 4 bedrooms D. may live in the south of Qinzhou | ||||
| 3. Everybody with a Qinzhou Daily of June 1, 2011 will get a small present from ________. | ||||
| A. every supermarket B. Yongfu Road C. Qinzhou Daily D. Lewanjia Supermarket | ||||
| 4. When will Rose's Special Concert be? | ||||
| A. July 1, 2011 B. June 8, 2011 C. July 2, 2011 D. June 25, 2011 | ||||
| 5. If two adults and two students want to go to the concert, the tickets will cost RMB ________. | ||||
| A. 220 yuan B. 440 yuan C. 270 yuan D. 370 yuan |