指南针能够指南北是受到______作用的结果.当指南针静止时,指向南的一端是磁体 发布时间:2017-06-17 22:54 │ 来源:www.tikuol.com 题型:问答题 问题: 指南针能够指南北是受到______作用的结果.当指南针静止时,指向南的一端是磁体的______极;指向北的一端是磁体的______极.
题型:问答题 Questions 15~18A. A major earthquake took place somewhere northwest of the capital. B. An instrument that could record the occurrence of an earthquake was invented. C. The invention of the seismoscope was approved by the central government. D. The earthquake damaged more than 400 houses in the capital city. 查看答案