花色热菜又称为______。
A．拼摆热菜
B．观赏热菜
C．展示热菜
D．造型热菜
参考答案：D
In order to know those who really need help as well as how to help them, ________ to help others.
A．going
B．to go
C．gone
D．go
为防止舌头无意识或有意识的前伸动作及为去除伸舌、吐舌等不良习惯常使用（）
A.上颌双侧垫矫治器
B.带环
C.Nance弓
D.箭头卡环
E.舌习惯矫治器
垫矫治器