They have a quarrel and John stonned out.[ ]
A. violent
B. cruel
C. strong
D. harmful
A
The stadium _________ by workers now will be finished by the end of 2010.
A.to build
B.built
C.to be built
D.being built
8层完全二叉树至少有 (52) 个结点,拥有100个结点的完全二叉树的最大层数为 (53) 。
(52)处填()。
A.127
B.128
C.256
D.257