第24题: [单项选择]关于耳源性并发症的病因,错误的是()。 A. 脓液引流不畅 B. 胆脂瘤型中耳炎引起者最多见 C. 病人抵抗力下降 D. 致病菌毒力强 E. 单纯型中耳炎不会引起耳源性并发症 参考答案:E
第25题: [单项选择]Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the (). A. wheelhouse control station B. engine room control station C. captains office D. chief engineers office 参考答案:B