炼钢脱氧剂中铝脱氧能力较强,型材多用()和()作为脱氧剂。
A、锰
B、硅
C、钙
参考答案:A, B
Jane plays football the best in our class, so if Jane were a boy, she ______ a member of our school
football team. [ ]
A. had been
B. has been
C. would be
D. would have been
哪项不能体现医疗机构从业人员“优质服务、医患和谐”的行为规范()
A.自觉遵守国家法律法规,遵守医疗卫生行业规章和纪律
B.加强与患者的交流与沟通
C.积极带头控烟,自觉维护行业形象
D.言语文明,举止端庄