第10题: [单项选择]Which of the factors listed has the greatest effect on the mechanical efficiency of a diesel engine?() A. temperature of the intake air B. friction within the engine C. mechanical condition of the supercharger D. mechanical condition of the turbocharger 参考答案:B
第14题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. He had much trouble with his pronunciation. B. He began studying English too early. C. No one can understand him. D. He knew nothing about English. 参考答案:A 答案解析:[听力原文] M: Well, if I had begun studying English earlier, I wouldn’t be having so much trouble wit
第31题: [单项选择]烧伤休克期口服补液盐的配制方法为() A. 氯化钠0.1g,碳酸氢钠1.0g,糖0.02g,加温开水100ml B. 氯化钠0.2g,碳酸氢钠1.0g,糖0.02g,加温开水100ml C. 氯化钠0.2g,碳酸氢钠1.2g,糖0.04g,加温开水200ml D. 氯化钠0.3g,碳酸氢钠1.5g,糖0.06g,加温开水100ml E. 氯化钠0.3g,碳酸氢钠1.5g,糖0.04g,加温开水100ml 参考答案:E