超星 - Test of unit 6

单选题

Listen to the recording

A. Through the samples’ performance on tests.
B. Through interviews of large sample population.
C. Through the data provided by the government.
D. Through the analysis of corresponding literature.

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单选题

A. It is related to 91 percent of mental illnesses.
B. It ranks as the fourth biggest cause of death.
C. It causes more harm to teens than older people.
D. It causes more harm to people living in the city.

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单选题

Questions 4 to 6 are based on the passages you have just heard.

A. The combat against environmental pollution.
B. Problems caused by artificial lights.
C. Technical improvements of LED lights.
D. The importance of darkness to the ecosystem.

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单选题

Listen to the recording

Artificial lights can secure people’s safety in cities.
B. Lights make the view of universities more beautiful.
C. LED lights tend to use less energy than other lights.
D. Artificial lights in the city endanger people’s health.

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单选题

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.

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单选题

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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单选题

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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单选题

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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单选题

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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单选题

Listen to the recording

A. Because she loves working with students.
Because she can always learn new things.
C. Because she loves solving students’ problems.
D. Because she can make her grandpa proud of her.

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