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
I didn't write it. That is not my（）on the cheque.
A.signal
B.symbol
C.sign
D.signature
