可复性牙髓炎的诊断要点是()。
A.主诉对温度刺激一过性敏感
B.无自发痛史
C.有能引起牙髓病变的牙体病损或牙周组织损害
D.对牙髓活力测验的反应域值降低
E.以上均是
参考答案:E
It was the training _______ he had at school _______ made him good jumper.
A.what;what
B.that;that
C.what;that
D.that;had
按挡水面板的形式支墩坝可分为:()。
A、平板坝
B、连拱坝
C、大头坝
D、浆砌石坝