听下面一段材料，回答第1至4题。 1. At what time does the early flight get to Paris? [     ] A. At 7:50 B. At 11:05 C. At 9:00 2. At what time should the woman get to the airport if she takes the early plane? [     ] A. At 6:50 B. At 7:50 C. At 11:45 3. Which of the following is TRUE? [     ] A. There are two flights to Paris every morning. B. There is a flight to Paris every half hour. C. There are two flights to Paris daily except Friday. 4. How long does it take the bus to get to the city center? [     ] A. 14 minutes B. 40 minutes C. 4 minutes