托福培训学校-环球托福[环球教育旗下品牌]

托福TPO33口语task4范文

2014-10-21 13:22| 来源:环球托福

摘要: 上海环球托福小编为考生带来托福TPO33口语task4题目及答案解析,希望对考生能够有所帮助。
上海环球托福培训班
  上海环球托福小编为考生带来托福TPO33口语task4范文,希望对考生能够有所帮助。
 
托福TPO33口语task4范文
题目分析: 阅读:
Carrying Capacity
Greatest number of animals a habitat can support
The number might change if there' s a significant disruption.
听力:
Moths eat Ragwort
Live in place where there is a lot of Ragwort Total number stays the same Less rain
Ragwort didn' t grow well Moths didn' t survive Didn' t lay as many eggs Number decreased Next year situation returned Ragwort grew better Lay more eggs More moths
 
托福TPO33口语task4范文:
Carrying Capacity is the greatest number of animals a habitat can support. This number usually remains stable, but it might change when there’ s significant disruption.
Just like the example of moths. Moths eat a kind of plant called Ragwort. The moths live in a place where there is a lot of Ragwort, and the total number of moths that live there generally stays the same over the years. However, one year, it rained less, and Ragwort didn’ t grow well. So many moths didn’ t survive because there wasn’ t enough to eat. Also, female moths didn’ t lay as many eggs. Therefore, the population of moths decreased. The situation returned the next year, and Ragwort grew a lot better. As a result, the number of moths increased, and female moths laid more eggs.
Now there are as many moths as there was before.

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