患者女，23岁。凹面型，面下1／3正常，前牙反牙合，磨牙中性关系，上颌尖牙唇向高位，拥挤9mm。上下前牙唇倾度正常，下牙列无拥挤。侧位片测量显示上颌骨发育不足，ANB-2°。4个第三磨牙牙胚存在 。

治疗时加强支抗需采取的措施是 （）

A.不需加强支抗

B.上颌腭杠

C.上颌Nance

D.口外弓

E.以上都不是

用所给词的正确形式填空（每空一分，共10分）

小题1:I’m very          (interest) in that           (interest) story.

小题2:You are        (suppose) to shake hands when you meet a Chinese friend.

小题3:A knife is used for         (cut) things.

小题4:The Yellow River is the second         (long) river in China.

小题5:Look! Many girls ________ (play) games over there.

小题6:My father usually _______(go) swimming in summer.

小题7:She said she _______(can) speak three languages.

小题8:He was _______ (bear) in 1983.

小题9:Are you ________ (interest) in reading books?

小题10:Don’t make her        (cry ) anymore.