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河南卢氏县2017高考英语完形填空一轮选练 完形填空阅读下面短文，掌握其大意，然后从各题所给的四个选项（A、B、C和D）中选出最佳选项。Do you remember last summer, when angry travelers were urging the government to do something about airline customer service? Airlines 1 to improve , and they adopted (采用)new standards just before Christmas. as another summer nears, plenty of 3 travelers don’t see much improvement in customer 4 overall . This month, the Department of Transportation’s (DOT) office will publish its first critical 5 on whether airlines are 6 their promises . One survey（调查）suggests problems : the number of to the DOT about the top 10 airlines in the first 8 rose 89% from a year ago . Hit last summer by passenger complaints and the threat (威慑)of consumer-protection laws by the , 14 airlines 10 to adopt a set of basic customer-service standards called Customers First. The “12 promises” to passengers were introduced 11 a major effort to improve service. Since then, airlines have been redesigning websites, retraining employees and upgrading technology . Recently, DOT inspector general Kenneth Mead, at McCain’s request, sent 20 examiners to airports to 12 | 
