代谢性碱中毒时,氧合血红蛋白高解曲线()。
A.右移
B.左移
C.上移
D.下移
E.固定不动
参考答案:B
列入国家药品标准的药品名称为药品()?
A.通用名称
B.商品名称
C.专利名称
D.非专利名称
I was about to leave the office ______ the telephone rang. So I stopped ______ it. [ ]
A. when; to answer
B. when; to reply
C. while; answering
D. as; replying