在托福培训中,很多同学对新托福机经尤其是口语机经研究比较多，但是对于如何正确使用机经，将机经使用技巧应用到考试中去，却不是很明确。大家对于机经的认识是很模糊的
在托福培训中,很多同学对新托福机经尤其是口语机经研究比较多，但是对于如何正确使用机经，将机经使用技巧应用到考试中去，却不是很明确。大家对于机经的认识是很模糊的，下面朗阁海外考试研究中心的就来告诉大家，如何正确使用机经，将机经*大化地利用起来。
本次解析针对新托福口语考试Task 4进行讲解，在上一次的机经解析中，我们为大家展示了新托福口语考试第四题的内容，在今天的讲解中，我们将为大家*更多的例子，供考生们备考使用。
Task4
阅读：
动物吃不掉的食物会藏起来，防止其它动物发现。
听力：
松鼠把坚果藏起来，并分别藏在不同的地方，比如挖洞，放的少的那个洞松鼠会特意多挖几下，让别的动物误以为食物都在那里。
Sample answer:
The reading passage introduces a theory that animals hide their food to prevent it being found by others. In the listening, the professor uses an example to explain the theory. Squirrels always hide their nuts to store them for cold weather. They hide the food to different places. They dig holes, and place the food in all of them. Then squirrels dig the hole containing the least food more times than others. In this way, the squirrels want other animals to believe this hole contains all their food so that they can keep the other food away from other species.
Task4
阅读：
名词解释：Psychological risk
听力：
说某个公司卖一辆sporty style car，打的广告是这车能跑的很快，但后来发现有的人担心这车对环境污染严重，所以不想买，实际上，这车是很环*的。公司发现这个情况后，立刻修改了广告，着重突出这车的high efficiency及environment friendly。
Sample answer:
The reading passage introduces a theory of psychological risk. In the listening, the professor uses an example to explain the theory. A company is selling a sporty style car. It advertises the car can run very fast. However, some consumers concern that the car causes severe pollution to the environment. They refused to buy the car. Actually, the car is environment friendly. When the company found it, the company immediately revised the advertising, showing that the car is highly efficient and environment friendly.
Task4
阅读：
名词解释：diffusion effects就是做实验设两个对照组，但如果对照组受到实验组的干扰，这个实验就失败了。
听力：
人们做了一个实验，想要research身体锻炼可不可以缓解office worker的疲劳。把一个大楼分成两组，并告知做exercise的那一组不准告诉不做的那一组。结果几个星期过去了，实验组有人就跟对照组的人感叹，说做了这个exercise以后神清气爽，结果对照组的人也去做那个锻炼，实验失败。
Sample answer:
The reading passage introduces a theory of diffusion effects. In the listening, the professor uses an example to explain the theory. The researchers want to carry out a study to show if the body exercise can relieve fatigue for office worker. They d
