问题
选择题
The UK government claims that the economy is improving, but this survey suggests __ .[ ]
A. otherwise
B. therefore
C. moreover
D. meanwhile
答案
答案:A
The UK government claims that the economy is improving, but this survey suggests __ .[ ]
A. otherwise
B. therefore
C. moreover
D. meanwhile
答案:A
在下列各题的A)、B)、C)、D)四个选项中,只有一个选项是正确的。
设森林9中有3棵树,其第一、第二和第三棵树的节点个数分别是n1、n2和n3,则与森林F对应的二叉树根节点的右子树上的节点个数是
A.n1
B.n1+n2
C.n3
D.n2+n3