属固定矫治器的有
A.Begg矫治器
B.Frankel矫治器
C.Crozat矫治器
D.Edgewise矫治器
E.Headgear-Activator矫治器
参考答案:A,D,E
—Tom, if it doesn't rain, we can go climbing and have a picnic there.
—________. I like climbing.[ ]
A. Well done
B. That's great
C. No problem
D. That's it
啊
治疗时在食物选择上应选()。
A.牛肉、猪肝、绿叶菜
B.面包、扁豆、鲤鱼
C.鱼、猪肉、菜花
D.鸡蛋、精白米、卷心菜
E.酸奶、羊肉、鱼