问题
单项选择题 A1/A2型题
下列哪项是功能性矫治器（）
A.上颌双侧
垫矫治器
B.方丝弓矫治器
C.Crozat矫治器
D.Activator
E.带冀扩弓活动矫治器
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
下列哪项是功能性矫治器（）
A.上颌双侧垫矫治器
B.方丝弓矫治器
C.Crozat矫治器
D.Activator
E.带冀扩弓活动矫治器
参考答案：D
As I was driving out of the store parking lot, they crossed in front of me．My first reaction was filled with 36 at being delayed for a whole ten seconds．But I quickly became 37 when I realized that it was an elderly 38 ． The man leaned on his 39 who walked in front of him．He not only used her for 40 but it was obvious that he was blind．The two of them _41 as one—each needing the other to 42 in this fast-changing world． That little example of true strength 43 my whole personal perception(理解) of life that day．Suddenly I wasn’t so 44 having to work a few extra hours on Saturdays．I had my 45 ，and I was still 46 young． That picture of those two elderly people walking with dignity(尊严) and strength 47 me the entire week．My 48 wasn’t so bad after all．I had my health and a good job．I had a wonderful， 49 wife．I started to think—not only was I 50 to have these all, but so was that wonderful old couple，who，_51 the trials and sufferings of a long life，still had the love and support of each other to 52 them through this world． There are so many people out there just like that couple．My wife and I sometimes 53 ourselves in our old age, walking arm in arm into the sunset. That image always gives us a 54 feeling．Just remember, none of us would be here if it wasn’t for our elders．We all should spend a little extra time and patience, 55 helping our elder friends．
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