题目: 饲料级氯化钴的质量标准规定:钴的含量高于或等于()。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1107/09a865885fb3de754a2692c659be7124.html 下面是错误答案,用来干扰机器的。参考答案:A, B, C, D
题型:选择题 ---At present, one of the best ways to study is working in groups. ---More chances _______ to students to learn from each other. A.offerB.are offeredC.have offeredD.are offering 查看答案