可进行静脉、气管内注射的心肺复苏药是()
A.肾上腺素
B.乳酸钠
C.碳酸氢钠
D.50%葡萄糖
E.利多卡因
参考答案:A, E
— Hi, Peter.Long time no see.
— Oh, it's you, Jack.I'm sorry I didn't ________you at first. [ ]
A. know
B. recognize
C. remember
D. realize
用两瓶法测定溶解氧含量,适用于测定溶解氧含量大于()的水样。
A、20ug/L
B、l0ug/L
C、5ug/L
D、25ug/L