双人进行心肺复苏时,按压和通气比例为()
A.5:1
B.15:2
C.10:1
D.30:2
E.20:2
参考答案:D
While I don't agree with her, I think her argument was quite cleverly _____. [ ]
A. set
B. put
C. said
D. settled
RVVC的病原菌有()
A. * * 滑假丝酵母菌
B.紫单胞菌
C.啤酒酵母菌
D.白色念珠菌
E.加得纳菌