下列各种金属磁性强度正确的是：（）
A.铁>镍>钴>铜
B.镍>铁>钴>铜
C.钴>镍>铁>铜
D.铜>钴>镍>铁
参考答案：A
_________ he took plane, he was frightened to cry.
A．First time
B．At the first time
C．For the first
D．The first time
不属于火制的是
A．煅B．炙C．煮D．炒E．炮
