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单选题
The check list should be limited to the minimum number of items determined to be essential to aid the pilot in an emergency.
A
The check list should include abundant items which are helpful to the pilot in an emergency.
B
The check list should include the fewest items which must be critical to help the pilot in an emergency.
C
The check list should have all items that are determined useful by the pilot in an emergency.
答案解析
正确答案：B
