Section ADirections:In this section, you will here 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 here a question, you must choose the best answer from the four choices marked A B C and D. Then mark the correspinding letter on Answer Sheet 1 with a single line through the centre.[音频]Questions 1 and 2 are based on the news report you have just heard.1.What is reported in the news?
A. Many people have been attacked by Devil Firefish.
B. The Mediterranean is a natural habit of Devil Firefish.
C. Invasive species are driving away certain native species.
D. A deadly fish has been spotted in the Mediterranean watres.
What is the environmentalists' concern about the spread of Devil Firefish in the Mediterranean?
A. It could badly pollute the surrounding waters.
B. It could pose a threat to other mairne species.
C. It could disrupt the food chains there.
D. It could add to greenhose emissions.
Questions 3 and 4 are based on the news report you have just heard.[音频]3.What will happen on World Car-Free Day in Paris?
A. Cars will not be allowed to enter the city.
B. Pedestrians will have free access to the city.
C. About half of its city center will be closed to cars.
D. Buses will be the only cehicles allowed on its streets.
What motivated the mayou of Paris to promote the first World Car-Free Day in her city?
A. The unvearable traffic noise.
B. The worsening global warming.
C. The ever-growing cost of petrol.
D. The rising air pollution in Paris.