官园原是大庙朝天宫后院的________，后被人雅称“官园”。
参考答案：瓜园
（14分）已知蓝铜矿的主要成分是2CuCO3·Cu(OH)2，受热易分解。铝土矿的主要成分是Al2O3、Fe2O3、SiO2。已知NaAlO2+CO2+H2O=Al(OH)3↓+NaHCO3，根据下列框图转化回答问题：
(1) 写出②的离子方程式：______________________、_____________________。
(2) 沉淀a、c化学成分分别是： ___ ___、__ ____。
(3)请写出检验沉淀b中所含有阳离子的实验方法_______________________________
(4)洗涤沉淀c的实验操作方法是____________________________________________
加热沉淀c应放在___________容器中进行。
(5) 经过④、⑤步反应得到铜和金属铝，写出反应的化学方程式：______________________、_________ ___________________________________。
用适当的词填空。
1. I don't know _____ I can do for you.
2. — Could you tell me _____ the film begins, please?
— About six o,clock.
3. He doesn't know _____ his father is so worried about him ?
4. — Do you know _____ he gets off the bus?
— At the next stop.
5. Could you tell me _____ is the man standing over there?
6. Can you tell me _____ that's a fast train or not?
