900句 T/Fquestion 651 The oxygen masks drop down because of cabin smoke. [音频]
举一反三
- 900 句 T or F （22 words）696 Because the cabin floor was damaged, the pilot requested a delay to takeoff and a rearrangement of the passengers' seats. [音频]
- 900 句 T or F 810 （19words） The purser is providing first aid to injured passengers. [音频]
- The oxygen mask will drop down ___________ in an emergency.
- 900 句单选 -15 字以上 -760 [音频] [音频] A: To avoid collision B: To give way to another aircraft C: To do the troubleshooting D: To wait for maintenance crew
- [音频]People _____ up and drop off letters and parcels.