单选题
How do you interpret the sentence 'her airplane Electra is not pressurized' (Para. 4)?
A、
The plane exerts pressure on the pilot.
B、
The plane is not installed with a piece of equipment to pump in outside air.
C、
The plane cannot keep stable in the storms because the air pressure is not high enough.
D、
The pilot does not feel comfortable under pressure.
【正确答案】
B
【答案解析】
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