脊髓灰质炎瘫痪前期表现应除外()
A.双峰热
B.头痛呕吐、多汗、全身皮肤潮红
C.肢体及颈背肌疼痛,感觉过敏
D.脑脊液常规、生化结果正常
E.年长儿可见“三角架”征
参考答案:D
__________, he had no money, but later he became quite rich.
A.To begin with
B.Beginning with
C.Begin with
D.Begun with
稀疏矩阵一般的压缩存储方式有两种,即()。
A.二维数组和三维数组
B.三元组和散列
C.三元组和十字链表
D.散列和十字链表