有机磷中毒选用
A．小剂量亚甲蓝(美蓝)B．大剂量亚甲蓝(美蓝)C．依地酸二钠钙D．二硫基丙醇E．亚硝酸盐一硫代硫酸钠
参考答案：D
Generally, there may be several different ______ to the same issue.
A．methods
B．means
C．approaches
D．ways
以下介质中声速最慢的是
A．0℃B．空气C．血液D．肝脏E．肌肉
