垃圾中转站应重点消杀,防止蚊蝇孳生,消杀频次参照《()管理标准》执行。
A.清洁
B.消杀
C.绿化
D.以上三项都是
参考答案:D
No sooner __________ these words than the warden hit him on the head with the soup spoon.
A.did he say
B.has he said
C.had he said
D.does he say
高血钙危象的临床表现中,不包括()
A.严重呕吐、脱水、高热
B.嗜睡、意识不清
C.碱中毒
D.迅速出现肾衰竭,心律失常甚至心搏骤停
E.血清钙增高达4~5mmol/L时,即有生命危险