下面就让小编来为大家介绍一下这篇托福听力TPO4学习笔记的内容吧，这是小编的一些见解，以便帮助大家更加充分的理解TPO真题，希望能够给正在准备托福听力的考友们带来帮助。
一、难词注解
Bulldozer n. 推土机;欺凌者，威吓者
zigzag n. 之字形;Z字形vt. 使成之字形;使曲折行进
Slippery adj. 滑的;狡猾的;不稳定的
Issue n. 问题;流出;期号;发行物vt. 发行，发布;发给;放出，排出
Vibrates v. 使震动;使颤动;使摆动(vibrate的第三人称单数)
Meteorology n. 气象状态，气象学
二、长难句分析
Some scientists theorized that perhaps when the ground is slippery the high winds can then move the rocks.
难词注解：
slippery
难句类型：
That+宾语从句(包含when引导的时间状语从句)
难句拆分：
theorized that+宾语从句，when the ground is slippery 时间状语
三、考题对应考点
6.So I‟ll just touch on an interesting subject that I think makes an important point. We‟ve been covering rocks and different types of rocks for the last several weeks.开头原则中的直入主题式，Pro 的第二句话就揭示了今天的主题就是在沙漠中石头移动的原因。对应C选项。
7.Now there are a lot of theories, but all we know for sure is that people aren‟t‟ moving the rocks. There are no footprints, no tire tracks and no heavy machinery like a bulldozer…uh, nothing was ever brought in to move these heavy rocks。转折原则，but后面的是考点。Pro 罗列了一系列事实来prove 人移动这些huge rocks 是完全没有可能性的因此是D，其他的因素都还是处于无法确定的状态，只有D 完全被否定。
8.Ever! Not on this planet. So I think it‟s safe to say that that issues has been settled. … But there‟s a problem with this theory, too.转折原则，but后面的是重点，PRO 针对每一种theory 都提出了反驳和不可取的地方无论是wind 还是Ice，由此可知pro 对于这些理论都存有怀疑。所以是A选项。
9.I bet you are saying to yourself well, why don‟t scientists just set up video cameras to record what actually happens? Thing is this is a protective wilderness area. So by law that type of research isn‟t allowed.因果原则，前面提出问题，后面给出答案，so后面的是重点，可知这些地方是受到限制的，所以选B
10.The researchers studying moving rocks, well, they combine their knowledge of rocks with knowledge of wind, ice and such…um not successfully, not yet. But you know, they wouldn‟t even have been able to get started without uh… earth science understanding – knowledge about wind, storms, you know, meteorology. You need to understand physics.转折原则，But you know后面的是重点，从Pro 的这段分析中得知要想studying moving rocks 研究者必须将knowledge of wind, ice ，earth science 等等全都结合起来，因此选D。
11.Some scientists theorized that perhaps when the ground is slippery the high winds can then move the rocks. There‟s a problem with this theory. One team of scientists flooded an area of the desert with water, then try to establish how much wind force would be necessary to move the rocks.从这段可以看出地球上的风力是不可能移动这些岩石的。对应C选项。
听力文本结构框架：
这个讲座主要讲的是沙漠中石头移动的原因。有人猜想是风力移动，但是由于地球上不可能有那么大的风力所以就被推翻了。还有一种理论是夜晚温度下降结冰把岩石移动，还有理论认为是磁场效应。
以上就是小编在学习托福听力TPO4中lecture3的学习笔记，大家在平时备考时也要注意经验和技巧的积累，更多的笔记内容小编稍后为您呈现。最后，小编预祝大家在托福考试中取得好成绩。
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