只重视进度计划的编制，不重视进度计划必要的调整，则( )。
A．进度无法完成
B．进度需要调整
C．进度同样可以得到控制
D．进度无法得到控制
参考答案：D
在活动矫治器中，哪种部件既可起固位作用，又可以起加力及连接作用（）
A.箭头卡环
B.塑料基托
C.唇弓
D.连续卡环
E.双曲簧
用所给词的适当形式填空
1. Kate and Jim come from America. They are not__________( China).
2. This is the__________(twin) room.
3. When is__________(he) birthday?
4. I'm twelve__________(year) old.
5. —When is the school trip?
—It's November__________(twelve).
6. The students have a one-day school__________ ( trip) in Hangzhou.
7. Do you know_________ (us) school trip.
8. I Know the date of his__________(birthday).
9. There is an__________(old) man in the room.
10. Tom is the__________(two) son of the family.
