In the case of a _______________, an oxygen mask will drop down from the compartment above your head.
A: decompression
B: evacuation
C: turbulence
D: tampered sensors
A: decompression
B: evacuation
C: turbulence
D: tampered sensors
举一反三
- The oxygen mask will drop down ___________ in an emergency.
- How did the man hurt his head（） A: He fell down from a ladder. B: A can of paint dropped on his head. C: He knocked his head against a window.
- Look! There is a fly ____ your head. A: on B: under C: over D: above
- There is a plane flying ____ your head. A: on B: below C: over D: above
- 4 To call a f attendant, please press the button above your head.