加工高锰钢应选择()刀具材料。
A.硬度低
B.有一定韧性,导热系数小
C.硬度高
D.高温性能差
参考答案:C
—Excuse me. Could you tell me ________?
— Sorry, I am new here.
A.where the hospital is
B.where is the hospital
C.where the hospital was
D.where was the hospital
未经医师(士)亲自诊查病人或亲自接产,医疗机构不得出具以下证明文件,除了()
A.疾病诊断书
B.健康证明书
C.死产报告书
D.死亡证明书
E.医疗纠纷分析证言