复吹转炉不具备的功能是（）
A.复吹成渣速度快
B.还原期脱硫
C.复吹降低钢水中C含量
D.复吹烽低钢水中氧含量
参考答案：B
— Have you heard about that fire in the market?
— Yes, fortunately no one ________.[ ]
A. hurt
B. was hurt
C. has hurt
D. had been hurt
某患者，男，60岁，糖尿病，左上21和右上12缺失，前牙区牙较突出，组织倒凹大此患者如活动义齿修复
第Ⅱ亚类确定义齿就位道，模型应（）
A.向后倾斜
B.向左倾斜
C.平放
D.向前倾斜
E.向右倾斜
