刘向受命校理群书，为一些电击写了叙录，其中最著名的是（）。
参考答案：战国策叙录
He is walking unsteadily as if he _______drunk. You’d better support him so that he won’t fall over his
own feet. [ ]
A. were
B. was
C. is
D. has been
下列关于栈的描述中错误的是( )。
A) 栈是先进先出的线性表B) 栈只能顺序存储C) 栈具有记忆作用D) 对栈的插入与删除操作中，不需要改变栈底指针
g unsteadily as if he _______drunk. You’d better support him so that he won’t fall over his