【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 8 short recordings. ● For each question, ma...
【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 。