畸形中央尖最多见于（）
A．上颌第三磨牙
B．上颌第二前磨牙
C．上颌第一前磨牙
D．下颌第二前磨牙
E．下颌第一前磨牙
参考答案：D
Wenzhou is ________ in natural resources, ________ sea foods and water resources, and is a good
place to live.[ ]
A．rich; specially
B．abundant; specially
C．plenty; especially
D．abundant; especially
气体循环风机轴承温度报警值95℃，跳车值为（）
