问题
选择题
—How are you getting along with your classmates?
—Very well. They are all _____ me. [ ]
A. afraid of
B. angry with
C. tired of
D. friendly to
答案
答案：D
搜题请搜索小程序“爱下问搜题”
—How are you getting along with your classmates?
—Very well. They are all _____ me. [ ]
A. afraid of
B. angry with
C. tired of
D. friendly to
答案：D
从烧碱、锌粒、生石灰、食盐、纯碱、硝酸铵六种固体物质中选出三种物质分别加入到水和稀盐酸中，产生的现象如表所示：
| 固体A | 固体B | 固体C | |
| 水 | 固体不溶解 | 形成白色浑浊，并放出大量的热 | 白色固体逐渐消失，温度降低 |
| 稀盐酸 | 固体溶解，有大量气泡产生 | 白色固体逐渐溶解，无气泡产生，放出大量的热 | 白色固体逐渐消失，温度降低 |
②写出化学方程式：固体A与盐酸反应______，固体B与水反应______．