题目

选择与对话内容相符的答案。 （1） How was the weather on weekends? A . Snowy. B . Rainy. C . Sunny. D . Windy. （2） What did the boy do during the day? A . Played games. B . Played snowballs. C . Watched TV. D . Slept. （3） What time did the girl go to bed? A . 10:00 p.m. B . 10:30 p.m. C . 11:00 p.m. D . 11:30 p.m. （4） What didn't the girl do? A . Visited her grandparents. B . Helped her sister. C . Did her homework. D . Played outside. （5） Which of the following about the girl is true? A . She had anice 下列离子方程式正确的是A．硫酸铝溶液中加入过量氨水：Al3＋＋3OH－＝Al（OH）3↓ B．向明矾溶液中滴加Ba(OH)2溶液至Al3+ 刚好沉淀完全：2Al3+ + 3SO42- + 3Ba2+ + 6OH-= 3BaSO4↓ + 2Al(OH)3↓ C．NH4HCO3溶于过量的NaOH溶液中：HCO3-+OH-=CO32-+H2O D．稀硫酸中加入铁粉：2Fe＋6H＋＝2Fe3＋＋3H2↑