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Section BDirections: In this section, you will hear 3 short passages. At the end of each p
Section B
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 four choices marked A, B, C and D.
(27)
A.To commemorate a historic flight,
B.To try out eight new balloons.
C.To recruit balloonists from all over the United States.
D.To test whether helium (氦气) balloons are better than hot-air balloons.
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