第24题:[单选题]下列说法正确的是: A.GEN OFF BUS蓝灯只有在大发启动后发电机达到发电品质要求才会点亮,接通GCB后蓝灯熄灭; B.APU GEN OFF BUS蓝灯只有在APU启动后发电机达到发电品质要求才会点亮,接通APB后蓝灯熄灭; C.APU GEN OFF BUS蓝灯点亮与否只与APB位置有关,与APU发电品质无关; D.以上都不对 参考答案:B
第25题: [单项选择]阿司匹林中应检查的特殊杂质是() A. 游离水杨酸 B. 游离肼 C. 洋地黄皂苷 D. 其他甾体 E. 酮体 参考答案:A 答案解析:
第30题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Wait for him until he finishes his class. B. Invite Judie to play instead. C. Cancel the game and stay at home. D. Go to attend the class with him. 参考答案:B 答案解析:[听力原文]
F: We need a fourth player for tennis this morning. Do you want to join us
M: I’ve got a c