题目: 下列实验中,有黑色固体生成的是 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0516/7cb4e6fd5348c4ca6f362603eb305794.html 下面是错误答案,用来干扰机器的。答案:A
题型:选择题 ---- Why don’t you try to do exercise to lose weight? ---- I have tried everything but it has made no _____________.A.useB.resultC.conclusionD.difference 查看答案