题目内容:
Section BDirections: 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.. 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.Electric cars.
B.Increasing fuel efficiency.
C.California's pollution laws.
D.Automobile safety.
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答案解析: