按照支付票款的方式不同，支票分为 ______ 、 ______ 和 ______ 三种。
参考答案：现金支票，转账支票，普通支票。(本题考点是支票的分类)
The play had already been on for quite some time when we _____ at the New Theatre. [ ]
A. have arrived
B. arrived
C. had arrived
D. arrive
回火索氏体比淬火索氏体韧性好。（）
