热乎的924托福考试词汇机经免费领+917考试最强难题答案

2017年09月19日 美国本科留学


 


本文分为两个部分:机经介绍+难题原题


 

机经介绍


昨天我们中了5篇阅读,根据上周开始情况,我们又更新聊一下词汇机经,删掉了30个单词,并新增了16个单词。


点击阅读原文填写表单即可领取。部分机经内容截图如下:

机经

简单的看一眼

复杂的记意思




下面进入第二本分——昨天托福考试题最难题回顾。


 

昨天我们中了5篇文章


  1. Forms of Locomotion

  2. Thermal Stratification

  3. Attempts at Determining Earth's Age

  4. Constraints on Natural Selection

  5. Cosmological Principle


 

最难的题


Thermal Stratification第4题,当时300+的学生群里,只有3位同学作做对,且同学们针对这道题讨论了一整天。昨天能作对这题且知道为什么的同学,阅读基本上26分的水平有了。如果做错也别担心,因为这道题真的很难很难,我们还是通过每周的群内讲座才解释清楚的。所以,说不定咱只错了这道题错呢?


原题:

This rapid absorption of sunlight by water has two important consequences. First, it means that photosynthesisthe process by which plants use the energy of sunlight to produce the organic carbon compounds necessary for lifecan only occur in surface waters where the light intensity is sufficiently high. Species that produce their own organic carbon compounds are called primary producers, and they are the base of the marine food web. Virtually all of the photosynthesis that supports the rich life of oceans and lakes comes from plants living in the upper 10 to 30 meters of water. Along shores and in very shallow bodies of water, some species such as kelp are rooted to the bottom. These plants may attain considerable size and structural complexity, and may support diverse communities of organisms. In the open waters that cover much of the globe, however, the primary producers of organic carbon are tiny, often one-celled algae (called phytoplankton), which are suspended in the water. Zooplankton, tiny invertebrates that feed on phytoplankton, migrate vertically on a daily cycle: up into the surface waters at night to feed and down into the dark, deeper waters during the day to escape predatory fish that rely on light to detect prey.

4.According to paragraph 3, all of the following are true of kelp EXCEPT:

A. They are found at the bottom of shallow waters.

B. They are the primary producers of organic carbon.

C. They can grow very large.

D. They are a source of food for a variety of organisms.

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答案是A。




  • 我们的机经词汇因为上周命中,删掉了30个单词,并新增了16个单词。想要领取机经词汇的小伙伴,点击“阅读原文”可以获取新版的词汇机经。


  • 另外,推荐大家参加我们的托福学霸团,在本公众号中回复 学霸团 即可获取报名方式。

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