问题
多项选择题
下列磁性材料中，属于软磁性材料的有（）。
A.铸铁
B.碳钢
C.硅钢
D.坡莫合金
E.钴钢
答案
参考答案：A, C, D
搜题请搜索小程序“爱下问搜题”
下列磁性材料中，属于软磁性材料的有（）。
A.铸铁
B.碳钢
C.硅钢
D.坡莫合金
E.钴钢
参考答案：A, C, D
| 阅读理解。 | ||||
| ||||
| 1. If you lost your backpack, you may call _______. | ||||
| A. Linda B. Karen C. Nick D. Tim | ||||
| 2. Who lost his school ID card? | ||||
| A. Tony B. Nick C. Linda D. Karen | ||||
| 3. If you want to find your set of keys, Please call _______. | ||||
| A. Karen B. Nick C. Tim D. Tony | ||||
| 4. Tony's school ID card is lost, his telephone number is _______. | ||||
| A. 8793568 B. 8572360 C. 8973658 D. 8973568 |