超星 - Unit 2 New 1

单选题

Questions 1 to 2 are based on the new report you have just heard.Question 1 What has caused the thick clouds in the photos taken by a NASA satellite?

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

查看答案

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 may be affecting the world's climate
D. They might be causing trouble to air flights

查看答案