下列哪项不属于牙髓变性 A．牙髓坏死 B．成牙本质细胞空泡性变_爱下问搜题

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问题单项选择题

下列哪项不属于牙髓变性

A．牙髓坏死

B．成牙本质细胞空泡性变

C．牙髓网状萎缩

D．纤维性变

E．牙髓钙化

答案

参考答案：A

选择题

I could have arrived much earlier, but I ____ in the traffic.

A．would be caught

B．was caught

C．has been caught

D．had been caught

问答题简答题

公路零担如何计算体积重量？