患者，女，13岁，上下牙拥挤Ⅲ°，安氏Ⅱ类上颌前突，骨性高角患者，ANB8°，下颌向前方的生长发育已相当有限。
何时进行方丝弓矫正（）
A.拔除
和
之后，即可以
B.拔
和一个月后
C.根据患者自己时间而定
D.拔除
后即可以开始方丝弓矫正
E.拔除后，使用口外弓推磨牙向远中移动，磨牙达到Ⅰ类关系后，拔除和后，方进入方丝弓矫治
参考答案：E
Sam Kaye is only 12 years old. But he is a famous photographer (摄影师) not only in the UK, but also in＿countries. He is even the youngest member of the Royal Photographic Society (RPS,皇家摄影协会) of the UK. It was＿in 1853 and it has a long history. It was the＿photographic society in the world. About one third of its members are famous photographers all over the world. Sam Kays started taking photos＿the age of six. Last year, the UK schoolboy went on a trip to Africa with his parents. He took lots of photos of African ＿such as lions, elephants, foxes and birds. He＿these photos to the Royal Photographic Society of the UK. People at the RPS were＿to see Sam’s photos. They said the photos were so great. Sam likes photography and his dream is to be a＿in the future. Sam’s parents are＿of their son. They encourage him to＿his dream. They say his dream can come true one day.
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