I hate people ____ talk much but do little. [ ]
A. whose
B. which
C. who
D. whom
答案:C
最易并发休克的骨折是()
A.骨盆骨折
B.桡骨骨折
C.锁骨骨折
D.跖骨骨折
E.双侧骨干骨折
设森林F对应的二叉树为B,它有m个结点,B的根为p,p的右子树上的结点个数为 n,森林F中第一棵树的结点个数是________。
A.m-n-1
B.n+1
C.m-n
D.m-n+1