下列哪一项是希腊城邦公民政治的前提条件?()
A.山多地少
B.三面环水,港湾众多
C.小国寡民,各邦长期独立自治
D.殖民扩张
参考答案:C
My friend Martin was very sick with a strange fever;_____,he could neither eat nor sleep.
A.in a word
B.after all
C.as a result
D.otherwise
脑脊液是如何形成?如何吸收?