关于磁感线，下列说法正确的是[ ] A．磁感线是磁场中实际存_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

关于磁感线，下列说法正确的是[ ]

A．磁感线是磁场中实际存在的曲线

B．磁体周围的磁感线都是从磁体的北极出发，回到磁体南极

C．小磁针南极在某处受到磁场力的方向跟该处磁感线方向相同

D．指南针静止时北极所指的方向是地理的南极

答案

答案：B

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书面表达。

假设你是Mary，你的朋友Rose想从北京到你居住的海滨城市来旅游。下面是一张示意图和你给她
发的E-mail（电子邮件），告诉她怎样到你家，并且告诉她每天都能步行去海滨玩请把邮件补充完整。

Dear Rose, 　　
      I'm very glad you are coming to visit me. Now I will tell you how to get to my  1  After you
get off the  2  at the station, you can  3  a number 8 bus to Yingbin Road. The bus stop is near my home. Or you can take a taxi (出租车) if you like. That's much easier. 　　
     By the way, it's not very far  4 my home to the beach (海滨). So we can go there  5 every
day. I hope you will have a good time here. Write to me soon. 　　
                                                                                                                   Best wishes, 　　                                                                                                                         Mary

问答题简答题

论述运用马克思主义（恩格斯）国家起源理论评价非马克思主义关于国家起源的主要观点？