Directions:In this section, you will
hear3 short passages. At the end of each passage , you will hear some questions.
Both the passage and the questions will be spoken only once. After you hear a
question, you must choose the best answer from the four choices marked A), B),
C) and D). Then mark the corresponding letter on Answer Sheet 2
with a single line through the centre.
Passage One Questions 26 to 28 are based on the passage you have just
heard.
A．Its private airline service. B．Being an American Post Office. C．Its transporting small packages. D．The low cost of its service.