题目内容

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A. They can help reshape ecosystem.
B. They are comparatively more expensive.
C. They are vastly deployed in 16 countries.
D. They are a major source of light pollution.

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Questions 7 to 8 are based on the passages you have just heard.

A new technology to produce clean energy.
B. A new idea on ecosystem improvement.
C. A new chemical to better utilize sunlight.
D. A new method to ease global warming.

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Listen to the recording

A. Some think it is impractical.
B. Some think it should be banned.
C. Some think it may threaten planes.
D. Some think it can reduce droughts.

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Long conversations. Questions 9 to 12 are based on the conversation you have just heard.[音频]

A. How much money can a teacher earn?
B. What kind of career should she have?
C. Who is the man’s favorite granddaughter?
D. Why did the man choose to be a teacher for life?

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Listen to the recording

A. She has mixed feelings about becoming a teacher.
B. She is confused by her grandfather’s career choice.
C. She is afraid that her grandfather will be disappointed.
D. She has no doubts that being a teacher is a good career.

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Listen to the recording

A. They can help reshape ecosystem. B. They are comparatively more expensive. C. They are vastly deployed in 16 countries. D. They are a major source of light pollution.

Questions 7 to 8 are based on the passages you have just heard.

Listen to the recording

Long conversations. Questions 9 to 12 are based on the conversation you have just heard.[音频]

Listen to the recording

A. They can help reshape ecosystem.
B. They are comparatively more expensive.
C. They are vastly deployed in 16 countries.
D. They are a major source of light pollution.