【单选题】SECTION B PASSAGES Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow. 听力原文: Hello, everybody. Thank you very much ...
【简答题】阅读理解。 How to Build a Windbreak to Protect Soil Farmers use different kinds of soil conservation methods to protect their land against damage from farming and the forces of nature. One important form o...