第5题:[多选题]第 465 题, 本小题 1 分 (____)会导致配电变压器着火。 A. 严重过负荷 B. 绕组层间短路 C. 铁芯及穿心螺栓绝缘损坏 D. 变压器油质变坏 参考答案:ABC
第6题: [多项选择]Some people learn by reading about things. Others learn by doing things. Which of these methods of learning is better for you Use specific reasons and examples to support your choice. 参考答案:In the introduction, the writer restates the question and states the thesis of the essay.