在能鉴别急性左心功能不全与支气管哮喘发作的情况下，治疗方法为（）
A. 试用吗啡皮下注射
B. 吸氧
C. 注射小量肾上腺素
D. 注射氨茶碱
E. 速尿
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下列选项（）并不属于与数字出版的发展密切相关、具有代表性的概念。
A. 电子出版
B. 音像出版
C. 互联网出版
D. 手机出版
岸坡清理应作隐蔽工程记录，经主管技术人员检查合格后方可充填筑坝。
A. 正确
B. 错误
The latest version of a licensed product is already installed. Which of the following methods is most appropriate to load an older version of a licensed program product over the latest version?（）
A. Install the older version with a Force Overwrite option
B. An older version cannot be installed if a newer version is installed
C. Use the Reject option on the committed newer version that is installed
D. Using the lppdiff command, capture the names of the newer filesets for the product, then remove them using this listing as input to the installp command
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