A.[0,4]
B.[2,4]
C.[1,4]
D.[-3,5]
E.[0,2]
[单选题]A.[0,4]B.[2,4]C.[1,4]D.[-3,5]E.[0,2]
[单选题]A.B.牙体切割稍多C.急性牙髓炎D.基牙受力大E.食物嵌塞
[问答题]
[单选题]A.OB.1C.2D.3
[单选题]A.a>1B.a≤3C.a<1或a>3D.1<a≤3E.无解
[判断题]A.对B.错