第5题: [单项选择]需要15%的葡萄糖溶液1000ml,现有60%和5%浓度的葡萄糖溶液,应如何配置 A. 需要60%的葡萄糖注射液182ml,5%的葡萄糖注射液818ml B. 需要60%的葡萄糖注射液239ml,5%的葡萄糖注射液761ml C. 需要60%的葡萄糖注射液365ml,5%的葡萄糖注射液635ml D. 需要60%的葡萄糖注射液248ml,5%的葡萄糖注射液752ml E. 需要60%的葡萄糖注射液339ml,5%的葡萄糖注射液661ml 参考答案:A
第6题:[单选题]前缘襟翼和缝翼巡航释压功能: A. 在巡航的条件下,使前缘襟翼和缝翼在全伸出位 B. 关断B系统到前缘襟翼和缝翼控制活门的液压压力 C. 前缘襟翼和缝翼巡航释压活门在平时是在关闭位 D. 由SMYD 2控制 参考答案:B
A. move faster and have greater endurance than reptiles B. move slower and have less endurance than reptiles C. move faster and have greater endurance than dinosaurs D. move slower and have less endurance than dinosaurs 参考答案:A 答案解析:根据第三段最后一句话“Birds and mammals,because they are warm blooded,move more swiftly and have greater physic