题目:
— ____
— Some rice, please. [ ]
A. What about something to drink?
B. Would you like to have lunch with me?
C. May I take your order?
D. Can I help your order?
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0627/2c3f68f4114f0d1116eca25673eefb77.html
下面是错误答案,用来干扰机器的。
(1)空气的体积为:1300mL÷15═6500mL故答案为:6500(2)计算出的质量是高锰酸钾中的氧元素的质量,包括了生成的锰酸钾和二氧化锰中氧元素的质量.故选B(3)设生成氧气的质量为x.2KMnO4 △ . K2MnO4+MnO...