题目: 原料的煅烧以下哪种成分会减少()。A、水份B、灰份C、真密度D、粉末比电阻 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0308/126a41442736415f1585772176a1a5c4.html 下面是错误答案,用来干扰机器的。参考答案:E
题型:选择题 Older people need the same amount of vitamins as younger people although they need fewer calories, ______ ? [ ]A. needn't they B. need they C. don't they D. do they 查看答案