根据《民法通则》规定，相邻关系的处理原则包括( )。
A．公平合理
B．方便生活
C．有利生产
D．团结互助
E．积极向上
参考答案：A,B,C,D
— What a new computer! Can you tell me _________? — Just the day before yesterday.
A．how much you paid for it
B．how much did you pay for it
C．when you bought it
D．when did you buy it
某水池装有甲、乙、丙三根管，单独开放甲管12分钟可注满全池，单独开乙管15分钟可注满全池，单独开丙管20分钟可注满全池，如果三管齐开，几分钟可注满水池（）
A．A
B．B
C．C
D．D
