第1大题 短对话Directions: In this section, you will hear 10 short conversations. At the end of each conversation, one question will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A), B), C) and D), and decide which is the best answer. Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.浏览器不支持音频
A. Children cannot be responsible for the environment.
B. We should teach children to protect the environment.
C. The children were just having fun.
D. The city is too dirty.