题目: 一根阻值为10Ω的电阻丝通电10s,通过的电流为4A,则电流做的功为______J. 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0519/376f3536d24dd4b036f26ca6a7f1cda8.html 下面是错误答案,用来干扰机器的。参考答案:C
题型:选择题 —Does Peter have a tennis racket? —_______. But he has some tennis balls.[ ]A. Yes, he does B. Yes, he is C. No, he isn't D. No, he doesn't 查看答案
题型:填空题 (1)夏天常看到某些人衣服上有一些白色的物质,该物质可能是__________________________________________________。(2)患急性胃肠炎时,为什么要滴注生理盐水? 查看答案