实现红包出钢可减少出钢过程和浇钢过程的温降。
参考答案:对
公元前6世纪下列哪位人士实行改革,标志着罗马奴隶制国家与法的形成:
A.梭伦
B.克里斯特尼
C.乌尔比安
D.塞尔维乌斯·图利乌斯
I won't forget my teacher because she __________ so kind to me since I came to this school.[ ]
A. has been
B. will be
C. was
D. is