什么叫磁铁、磁场、磁路？
参考答案：带有磁性的物体，且能吸引铁、钴等金属物质的物体称磁铁。磁铁周围产生磁性的范围叫磁场。在磁场中磁力作用的通路叫磁路。
用所给词的适当形式填空
1.Norman Bethune invented new ________(treat)to help soldiers.
2.He wasn’t Chinese. He was ________(Canada).
3.My teacher worked so hard without ________(stop) to rest.
4.She jumped into the river ________(brave) so that she could save the boy’s life.
5.My dream is to be a winner at the Olympic Games. What about ________(you)?
企业对出差人员基于出差补助，属于（）
A.津贴
B.福利
C.基本薪酬
D.激励薪资
