夏代和西周宫殿是悬山式建筑。
参考答案：错
源皮距的英文缩写（）
A.SSD
B.SAD
C.SDD
D.STD
E.SDA
Who can ______ me a ball-pen ________?
A．save; to write
B．borrow; to be written
C．spare; to write with
D．spend; writing with
