题目内容
900 句 T or F（20 words）520The pilot already knows the cause of the APU fire warning.[音频]
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900 句 T or F（20 words）534The aircraft's speed brakes failed, so the pilot requested completion of the checklist.[音频]
900 句 T or F（20 words）548The pilot turned off the number one engine because of an oil leak near the pylon.[音频]
900 句 T or F（20 words）550The pilot needs to run the engine in the current position for a few minutes.[音频]
900 句 T or F（20 words）555The passengers have been safely evacuated from the cabin after the plane caught fire.[音频]
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