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ETS官方托福样题听力部分：生物课讲座(2)

2015-07-17 15:17:56来源：网络

　　【ETS托福听力样题：the lecture(2)生物课讲座】ETS官方托福听力样题对托福备考阶段的考生具有非常重要的参考价值。通过样题可以迅速了解ETS的出题风格，和考试类型思路。

　　Narrator

　　Listen again to part of the lecture. Then answer the question.

　　Professor

　　--and we have the next step in song development taking place in late subsong, that is, the introduction of plastic song within the subsong--

　　plastic song

　　referring to--I don’t have to write that on the board, do I?

　　21. What does the professor imply when she says this: [This text will only be heard.]

　　Professor

　　I don’t have to write that on the board, do I?

*　　The words in the term are probably familiar to the students.
*　　The term is not important to the lecture.
*　　The students should have studied the term already.
*　　The students should have written the term down already.

　　22. Why does the professor say this: [This text will only be heard.]

　　Professor

　　Plastic song. Does that sound a little strange to you? Well, keep in mind that “plastic” has, um, formative implications, you know, it can mean, like, growth, or development into something

*　　To correct something she said earlier
*　　To explain a term she just introduced
*　　To explain what is wrong with a particular theory
*　　To remind the students of something discussed earlier

　　23. How does the professor introduce her description of the sounds a chaffinch makes during subsong?

*　　She contrasts the subsong of a chaffinch with the subsongs of other songbird species.
*　　She compares the sounds a chaffinch makes to those a human baby makes.
*　　She describes the sound of an adult chaffinch’s full song.
*　　She reminds the class how scientists define begging calls.

ETS官方托福口语样题：生物课讲座(2)

　　查看全部：ETS官方托福样题汇总

本文关键字: ETS官方 托福听力样题

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