常可引起败血症的细菌有()
A.白喉杆菌
B.破伤风梭菌
C.铜绿假单胞菌
D.百日咳鲍特菌
E.肉毒梭菌
参考答案:C
解析:铜绿假单胞菌是临床上引起败血症的常见致病菌。
---Please _______ us in the discussion.
---I'd like to, but I'm ______ busy at the moment.
A.join in; much too
B.join; far too
C.take part in; rather too
D.play a part in; too much
有一杯食盐水,若上部的密度是b g/cm3,则下部的密度是[ ]
A.大于bg/cm3
B.等于bg/cm3
C.小于bg/cm3
D.无法判断