单选题 Listen to Track 66.
  • A. She is not an expert on what she is about to discuss.
  • B. She will discuss only what is relevant to her main point.
  • C. She thinks her students already understand her point.
  • D. She will not repeat what was discussed in previous classes.
【正确答案】 B
【答案解析】[解析]
Narrator
Listen again to part of the lecture. Then answer the question.
Professor
To understand why, you need to know something about water temperature. There are a lot of technical reasons that I'm not going to go into right now. But let's just say that nutrients don't rise to the surface of tropical water like they do in other kinds of water.
Narrator
What does the professor mean when she says this:
Professor
There are a lot of technical reasons that I'm not going to go into right now.