目前，降低冲裁力的主要方法有：（）。
A.斜刃口冲裁
B.直刃口冲裁
C.阶梯凸模冲裁
D.冷却冲裁
E.加热冲裁
参考答案：A, C, E
补全对话，根据上下文的意思在下面对话的横线上填上适当的句子，将对话补充完整。
A: Hello! 1. ?
B: This is Harry speaking. Is that Kate?
A: Yes!
B: I want to go to the library this afternoon. 2. ?
A: Yes, I can go with you. But 3. ?
B: Yes, it's very far.
A: 4. ?
B: We can go there by bus.
A: OK. See you at 3:00, this afternoon.
B: 5. .
加减竹叶石膏汤功效与作用
