阿摩線上測驗
22 Which of the following best expresses the main idea of the first paragraph?
(A)The success rate of using APC is not as high as expected.
(B)Customs kiosks are dramatically reducing fly time in airplanes.
(C)APC kiosks have been proven to enhance the visibility of U.S. airports.
(D)A high percentage of U.S. airports choose not to join the APC program.
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統計： A(18), B(6), C(9), D(4), E(0) #1091871
統計： A(18), B(6), C(9), D(4), E(0) #1091871
