阐述CRH380A统型动车组制动方式？
参考答案：
常用制动、停放制动、快速制动、辅助制动、耐雪制动、紧急制动。
--This is no-smoking zone. Can't you see the sign?
----Oh, sorry. I ______ it.
A．haven't seen
B．won't see
C．don't see
D．didn't see
制汤时不需要选择新鲜的原料。
