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单选题
According to the passage, airline travelers should keep their feet flat on the floor ______.
A
throughout the flight
B
during takeoffs and s
C
especially during landings
D
in case of an accident
参考答案
参考解析
解析：
文章首段指出乘飞机时，人们可通过学习和遵守某些指示来增加存活的可能性。其中该段倒数第二句指出在takeoffs（起飞）和landings（登陆）的过程中，乘客应该“keep your feet flat on the floor”，因此B项符合题意。
文章首段指出乘飞机时，人们可通过学习和遵守某些指示来增加存活的可能性。其中该段倒数第二句指出在takeoffs（起飞）和landings（登陆）的过程中，乘客应该“keep your feet flat on the floor”，因此B项符合题意。
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