第17题: [多项选择]下列哪些内容符合客船通风和照明的要求() A. 所有乘客居住处所及公共服务处所均应有良好的自然通风或机械通风 B. 乘客处所的通风设备应与船员舱室的通风设备分开 C. 客船上所有乘客居住处所、公共处所、医务处所和通道,均应设有自然采光和照明设备 D. 救生艇、筏的存放处所应设有照明设备 参考答案:A,B,C,D
第30题: [单项选择]山梨醇 A. 成囊材料 B. 增塑剂 C. 遮光剂 D. 防腐剂 E. 增稠剂 参考答案:B
第31题: [单项选择]A. Because her husband criticized her opinions. B. Because her husband is wrong so much of the time. C. Because she doesn’t believe the weather forecast. D. Because she left her umbrella in the office. 参考答案:C 答案解析:[听力原文] M: Honey, you might want to bring your umbrella today. The temperature will drop sharply a