单项选择题
M：I am traveling to New York on Flight 792.Do I check in here W：That’s right，sir. Can I see your ticket and your passport，please
A. By car. B. By ship. C. By plane. D. By train.
A. although criticized, examinations are still widely used B. examinations play a bad role in education C. one should take an argument in favor of examinations D. examinations serve as a test of human knowledge