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【简答题】
已知字典a={‘English’:67,’Maths’:70,’Basketball’:76}，则执行指令“a.get(‘Maths’,False)”的返回结果为________；执行指令“a.items()”的返回结果为___；执行指令“a.pop(‘Maths’)”的返回结果为_______。
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反馈参考答案：
举一反三
【单选题】The PIC is the person legally ________ the aircraft and its flight safety and operation and would normally be the primary person liable for a violation of any flight rule.
A.
in case of
B.
in the event of
C.
in charge of
D.
in the charge of
【多选题】For flight safety, do not open the luggage compartment above your head during:
A.
turbulence
B.
taxiing
C.
take-off
D.
descending
E.
landing
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