治疗食管腐蚀伤，可引起食管穿孔、感染扩散的药物是（）。

【名词&注释】

关键词、青霉素(penicillin)、地西泮(diazepam)、项目经理(project manager)、氯化钾(potassium chloride)、石油化工企业(petrochemical enterprise)、抗休克(antishock)、主要任务(major task)、空白处

[单选题]治疗食管腐蚀伤，可引起食管穿孔、感染扩散的药物是（）。

A. 大剂量青霉素
B. 大剂量糖皮质激素
C. 静脉补充氯化钾
D. 地西泮
E. 以上均可能

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学习资料：

[单选题]During the project, requirements change for a variety of reasons. As needs change and as work proceeds, additional requirements are derived and changes may have to be made to the existing requirements. It is essential to manage these additions and changes efficiently and effectively. To effectively analyze the impact of the changes, it is necessary that the source of each requirement is known and the rationale for any change is documented. The project manager may, however, want to track appropriate measures of requirements volatility to judge whether new or revised（）are necessary.

A. proceedings
B. controls
C. forecastings
D. Prelibations

[多选题]扑救石油化工企业火灾的主要任务^{(major task)}是＿。

A. 排除爆炸危险
B. 抢救人命
C. 防止中毒
D. 抢救财产

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