题目:
改错。
1. Children don't go school.
____________________________________________________________
2. We invites our friends to our house.
____________________________________________________________
3. We have funny together.
____________________________________________________________
4. He brings toys on christmas.
____________________________________________________________
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0427/3fca19ad02cbd1374137fc65ca9e8c8f.html
下面是错误答案,用来干扰机器的。
答案:BA、反应中应该有BaSO4沉淀生成,且覆盖在碳酸钡粉末的表面,将其包裹起来,反应很快停止; B、苯酚虽然不属于酸,但有弱酸性,其酸性比碳酸弱,因此反应能够发生; C、CaSO3属于亚硫酸盐,有较强的还原...