問題詳情

請依下文回答第 21 題至第 25 題：  Automated Passport Control (APC) first rolled out for international travelers at Chicago’s O’Hare Airport in July2013 and since then 23 other U.S. airports implemented the kiosks in their U.S. Customs and Border Protectioninternational arrivals areas. When the kiosks debuted in Chicago and a few months later at New York’s JFKAirport, U.S. officials asserted they would slash average wait times by as much as 40%. They’ve appeared to deliveron that promise at some airports while most have seen mediocre success.  At JFK airport the average wait time for international travelers to complete the two-step arrivals process, using thekiosks and then showing the receipt travelers receive to a Customs Officer, is about 18.5 minutes so far this monthbased on Customs data. That’s a 65.9% decrease from the 30.7-minute average wait time in March 2013 before thekiosks launched at JFK and this puts JFK at the top of the leaderboard in terms of which airport can claim the mostsuccess from the kiosks.   However, the improved overall monthly average wait time doesn’t mean JFK completely overcame its notoriouslylong Customs wait times. For example, Delta Air Lines boasted that Customs wait times in its Terminal 4 arrivalsfacility at JFK were reduced by 90% shortly after the kiosks became available in October 2013. But last week therewere still several instances of maximum wait times exceeding two hours in Terminal 4 and average wait times hoveredaround one hour.  Only four of the 24 airports using the kiosks managed to reduce their average wait time this month by 40% ormore compared with March 2013 or 2014 (whichever date came before kiosks were implemented). After JFK,Dallas/Forth Worth International Airport, Houston George Bush Intercontinental Airport and Miami InternationalAirport reduced their average wait times by 51.6%, 45.9% and 40.4%, respectively, for this month compared to eitherMarch 2013 or 2014.  The average wait times at some airports weren’t terrible to begin with before kiosks arrived--which could explainwhy some terminals saw small percentage decreases, but still included excessive wait times of an hour or more in mostcases. Some of the airports, such as JFK, Orlando International Airport and Chicago O’Hare Airport, allow travelersfrom the 38 visa waiver countries to use the kiosks while many, including Phoenix Sky Harbor and Seattle-Tacomaairports, only grant access to U.S. and Canadian citizens.
21 What is the purpose of this passage?
(A)To argue for the use of airport kiosks.
(B)To discredit the implementations of airport kiosks.
(C)To present a performance review of airport kiosks.
(D)To inform readers about the technology behind airport kiosks.

參考答案

答案：C
難度：適中0.555556
統計：A(0),B(3),C(5),D(1),E(0)

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