問題詳情
【題組】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.
參考答案
答案：A
難度：困難0.272727
統計：A(3),B(1),C(4),D(3),E(0)