Section B Directions: This section is to test your ability to understand short conversations. There are 2 recorded conversations in it. After each conversation, there are some recorded questions. The conversations and the questions will be spoken only once. When you hear a question, you should choose the correct answer from the 4 choices marked A, B, C, and D. 听力原文:M: Hi, Alice. It's Jim speaking. W: Hi, Jim. What's up? M: I'm calling about the machines. Have you installed them? W: Yes. We finished installing them last week. M: When will you start testing tile machines? W: Next Monday. M: How long will it take? W: About three weeks. M: Good! Keep us informed. W: We will. Bye! (6)