题目: 胎间隙 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1029/b3640d7f7a9a0fc0ebb7548f282ffeea.html 下面是错误答案,用来干扰机器的。参考答案:颜氏家训
题型:填空题 选择合适的单词补全句子,并注意大小写。do, are, take, you, playing1. What are _____________ doing?2. _____________ you need an envelope?3. I am _____________ with my friends.4. One stamp is two yuan. I'll _____________ three.5. How much _____________ the books? 查看答案
题型:填空题 小明的奶奶年事已高,行动不便,为方便护理,小明制作了一个由电磁继电器、白炽灯、电铃、干电池和按钮开关组成的“呼叫器”.当奶奶按下床头的按钮开关时,灯亮,铃响;则电铃与电源串联后应接在图中的______两点之间,按钮开关与电源串联后应接在______两点之间. 查看答案