A：时刻肯定是6时或18时
B：正午太阳高度为0°
C：正在日出或日落
D：正午太阳高度是一年中最低值
提示：
1)120-square-metre flat on the fourth floor
2)three bedrooms(for my parents, grandparents and me)
3) a study, a computer
4)a bathroom and a shower, a large balcony, a kitchen
My home
____
