脊髓腰骶膨大以下变尖细的部分为()
A.终丝
B.终池
C.脊髓圆锥
D.齿状韧带
E.马尾
参考答案:C
时间序列分析法是利用过去的数据或资料来预测未来的状态。
it ______ that he is still on the way. [A] likely[B] looks [C] seems