[单项选择](), the more you are aware of content and meaning. A. The more words you are familiar to B. The more words you are familiar with C. You are familiar to more words D. You are familiar with more words
参考答案:B 答案解析:
句型“the more...the more...”表示“越……越……”;be fa
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第1题: [单项选择]关于肺心病呼吸衰竭的合理氧疗,下列哪项是错误的()。 A. 持续低流量吸氧 B. 吸入氧浓度为25%~30% C. 吸入氧浓度为30%~50% D. Ⅱ型呼吸衰竭不可高流量吸氧 E. Ⅰ型呼吸衰竭可提高吸氧浓度 参考答案:C 答案解析:Ⅱ型呼吸衰竭的氧疗策略是持续低浓度氧疗,因为增加吸氧浓度,可能导致PCO2升高。