Directions:In this section, you will hear
3 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 Jour choices marked A) , B) ,
C) and D) .
Passage One Questions 26 to 28 are bused on the passage you have just
heard.
A．Gas is difficult to transport over long distances. B．The system of long-distance pipelines is not available. C．Gas is not so environmentally-friendly as other fuels. D．The potential profits are far from enormous.