汞中毒时应使用的解毒药是 A．小剂量亚甲蓝(美蓝) B．大剂量亚

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问题单项选择题

汞中毒时应使用的解毒药是

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

答案

参考答案：D

选择题

______ to hide the truth from the public, the quality problem of its computer was revealed.

A．As HP company tried hard

B．As hard HP company tried

C．Hard as HP company tried

D．Hard did HP company try

单项选择题

缸柴油机是指在同一台机器上安装（）以上的汽缸。

A.一只

B.一只或两只

C.六只

D.两只或两只