单项选择题

A．Taking red-eye flights.
B．Ordering discount tickets.
C．Buying cheaper tickets to destinations beyond.
D．Comparing the prices of flights before ordering.
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单项选择题
A．The airport is not big enough.B．The airport is in lack of skillful staff.C．The weather is always terrible.D．All flights arrive and leave at almost the same time.
A．The airport is not big enough.
B．The airport is in lack of skillful staff.
C．The weather is always terrible.
D．All flights arrive and leave at almost the same time.
填空题
objective[解析] 录音原文中提到：“历史书中的信息具有客观性。”所以本题应填objective。
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