为了减轻地震造成的损失,日本传统民居具有的特点是( )
A:窗户小
B:墙体高
C:建筑材料轻
D:屋顶坡度大
Cheng Long and Li Lianjie have much _______. And they often play similar roles in the movies.
如图,在△ABC中,∠A=70°,AC=BC,以点B为旋转中心把△ABC按顺时针旋转α度,得到△A′B′C,点A′恰好落在AC上,连接CC′,则∠ACC′= ____.