N档是指（）。
A.空档
B.行车档
C.倒档
D.驻车档
参考答案：A
逻辑准备的方法有（）。
A树立谈判标的法
B战前运筹帷幄
C调用备战粮草法
D战后运筹帷幄
The Americans hurry through lunch because ________
A．they are ambitious
B．they have rebelled against English customs
C．they don’t think it is important
D．talking while eating is impolite
