固定大桅用的绳索称为:()
A.动索
B.静索
C.稳定索
D.固定索
参考答案:B
如果说“五德终始说”体现的是邹衍的时间观念,那么“()”则体现了他的空间观念。
When he moved to Germany in ______, he was already in _________.
A.the fifties; his sixties
B.fifties ; his sixties
C.his fifties; his sixties
D.fifty; sixty