进度计划一般有（）几种。
A．总体进度计划
B．一般进度计划
C．年度进度计划
D．非关键工程进度计划
E．关键工程进度计划
参考答案：A, C, D
The visiting minister expressed his satisfaction with the talk, _________ that he had enjoyed his stay here.
A．having added
B．to add
C．adding
D．added
牙冠唇、颊、舌面突度的位置是（）
A.前牙在颈1／3；后牙在颈1／3
B.前牙在颈1／3；后牙颊面在颈1／3，舌面在中1／3
C.前牙在颈1／3；后牙颊面在中1／3，舌面在中1／3
D.前牙在中1／3；后牙颊面在颈1／3，舌面在中1／3
E.前牙在中1／3；舌面颊面在中1／3，舌面在中1／3
