超星 - 3-2-2听力练习1

单选题

[音频]【单选题】Section A Directions: In this section, you will hear three news reports. At the end of each news report,you will hear two or three questions. Both the news report 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 1 with a single line through the centre.Question 1and 2 are based on the news report you have just heard. Question1: What has caused the thick clouds in the photos taken by NASA satellite?

A. Ship traffic in the Atlantic.
B. Warm currents in the ocean.
C. Exhaust from cars in Europe.
D. Particles emitted yb power plants.

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单选题

【单选题】Question 2:What do NASA officials think about the thick clouds?

A. They need to be taken seriously.
B. They have a huge effect on fishery.
C. They might be causing trouble to air flights.
D. They may be affecting the world’s climate.

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