【单选题】25、The flight scheduled ______ at 9 a. m. was delayed four hours due to the bad weather. A. to take off B. take off
C. taking off D. to be taken off
【单选题】听力原文:M: When does the plane take off? F: It has been arranged to take off at four fifteen but it's delayed thirty minutes. •For questions 1-8 you will hear eight short recordings. •For each question m...
【单选题】尺寸因素化合物主要受( )尺寸因素控制。
【判断题】我国海关对旅客进出境采用了 “红绿通道”制度,带有绿色标志通道适用于携运物品在数量上和价值上均不 超过 免税限额、且无国家限制或禁止进出境 物品的旅客 : 否则 必须向海关做出书面 申报 。
【单选题】尺寸因素化合物主要受( )尺寸因素控制。
【判断题】我国海关规定,进出境旅客在向海关申报时,可以在分别以红色和绿色作为标记的两种通道中进行选择。带有红色标志的通道适用于携运物品在数量和价值上均不超过免税限额,且无国家限制或禁止进出境物品的旅客。带有绿色标志的通道则适用于携运有上述红色通道适用物品以外的其他物品的旅客。