托福听力30天备考计划之第7天备考计划

2022-05-23 11:21:22

  

  TPO7 lecture 2 

  本文难点:复杂的场景词汇和生僻的背景知识;

  本文有效词汇摘选

  1) infrasound n. [物] 次声(风暴产生的低频音波)

  2) acoustical spectrum: 声谱

  3) ultrasound n. 超声(波)

  4) self-explanatory adj. 自明的,不需加以说明的

  5) filtering v. 过滤,筛选

  6) ground clutter 地面反射波,地面杂乱回波

  7) jagged adj. 锯齿状的,参差不齐的

  8) navigation andorientation 航海和定向

  9) emit 发出

  10) pulse 脉冲

  11) bounce back 反弹;迅速恢复活力

  12) bursts of sound 突然发出声音

  13) moth 蛾子

  14) motionless 静止不动

  15) beating theirwings 扇动翅膀

  16) spear-nosed bat 叶口蝠;矛吻蝠

  17) acoustical 听觉的

  18) squad 限于小分队

  19) deciduous tree 落叶树

  20) oaktree 橡树

  本文每题目和考点分析:

  学习方法要求—建议学员将考点分析的原文部分做多遍跟读模仿,之后熟练背诵

  第一题考点解析:

  Now, let’s talk about the other on the acoustical spectrum, sound that’s too high for humans to hear---ultrasound. Ultrasound isused by many animals that detect and some of them send out very high frequency sounds. So, what’s a good example?(开头引出主旨,特别注意一些如today, now, ok, well, so等词汇的应用)开头听完做好预测,听完此部分的最后一句,最好对下文做好文章结构的预测:本文为例子对应观点的现象解释型文章结构。

  第二题考点解析:

  You know, I don’t think I need to draw the echoes, your reading assignment for the next class, it has a diagram that shows this very clearly.(you know在托福听力中的考点经常为,进一步解释说明和例证说明)

  第三题考点解析:

  For example, one echo they quickly identify is one way associate with moth, which is a common prey for a bat, particularly amoth beating its wings. However, a moth happened to have a major advantage over most other insects. They can detect ultrasound; this means that when a bat approaches, the moth can detect the bat’s presence. So, it has time to escape to safety, or else they can just remain motionless.(例子对应观点,例子在被充分展开解释后,要关注的细节为:1. 例子和其例证观点的对应关系;2. 例子被强调解释的细节部分。本题的细节考点在So之后,同学们请多多注意“so”在托福听力中的作用)

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