新視野大學(xué)英語視聽說教程第一冊 Unit 1 Model 2 How are you doing?

Joe: Hi, Jack.
Jack: Hello, Joe. How are you doing?
Joe: I’m just fine, thanks. How about you?
Jack: Good. Well, you see, I’m planning to take chemistry this semester. Can you recommend a           professor?
Joe: Dr. Smith, of course. They say he’s a prominent professor in chemistry.