如图,△ABC为钝角三角形,将△ABC绕点A按逆时针方向旋转120°得到△AB′C′,连接BB′,若AC′∥BB′,则∠CAB′的度数为( )
A:45°
B:60°
C:70°
D:90°
读一读,给下列句子排序,在括号里写阿拉伯数字即可。
____It's green.
____I like Nancy's home.
____Why?
____What colour is it?
____Do you like Nancy's home or Danny's home?
____Because' the dining room is so big. I like the colour too.
北半球夏季南半球什么季节 ( )