票据法规定转让背书必须记载的事项有（）
A、背书人签章
B、被背书人名称
C、背书日期
D、转让字样
参考答案：A, B, C
I hear they’ve promoted Tom, but he didn’t mention _____ when we talked on the phone.
A．to promote
B．having been promoted
C．having promoted
D．to be promoted
北大入狱学生高呼：“外争国权，内惩国贼”，据此推测，该学生参与了 [ ]
A、新文化运动
B、五四运动
C、辛亥革命
