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托福听力词汇边读边学:吃垃圾的节肢动物

2015-04-27 11:54:15来源:网络

  托福听力背景材料:节肢动物只能靠一些可食用的垃圾为生新东方在线托福网为大家带来托福听力词汇边读边学:吃垃圾的节肢动物,希望对大家托福备考有所帮助,更多精彩尽请关注新东方在线托福网!

  本篇文章主要讲述的是一些节肢动物处理掉了很多的垃圾的事情。因为这些垃圾被放在偏远的饥饿地方,而这些节肢动物只能靠一些可食用的垃圾为生,所以如果选好了放垃圾的地方,就可以利用这动物消除这些垃圾。下面看一下这篇托福听力背景材料中出现的生词吧,正在备考托福听力考试的学生注意喽。

  Researchers working in New York City found that hungry urban arthropods(节肢动物) help dispose(处理) of tons of edible trash(垃圾). Allie Wilkinson reports

  Rather than cringing(奉承) at the next beetle (甲虫)or wasp (黄蜂)in your way, you might want to thank them—for helping to keep city streets clean.

  Researchers from North Carolina State University working in New York City found that hungry urban arthropods (节肢动物)play a significant role in the disposal(处理) of trash. For example, in a small section of Manhattan called the Broadway/West Street. corridor,(走廊) insects consume the equivalent(相当于) of 60,000 hot dogs a year that would otherwise be lying in the street. And that’s assuming the bugs stop chowing down(吃饭) in winter.

  To assess how much discarded food bugs got rid of, the researchers placed measured amounts of hot dogs, potato chips and cookies at 21 park sites and 24 street medians. Contrary to their prediction, location played an even bigger role in garbage(垃圾) consumption than biodiversity (生物多样性)did—insects gobbled up (狼吞虎咽)two to three times more food in the street medians (中位数)than they did in the parks.

  The study appears in the journal Global Change Biology.

  If all that garbage disposal still does not make you an arthropod admirer, then consider this: by competing with larger pests for resources, insects help keep rat populations down. There’s some food for thought.

  下面是本篇文章的疑难词汇汇总:

  Arthropod n. 节肢动物 dj. 节肢动物的

  edible adj. 可食用的n. 食品;食物

  trash n. 垃圾;废物vt. 丢弃;修剪树枝

  beetle vi. 急忙来回;突出vt. 用槌打n. 甲虫;大槌

  cringing n. 奉承(的)adj. 谄媚(的)

  chowing n. 食物;中国狗(体壮,有褐或黑色厚毛,舌为深蓝色)vi. 吃

  n. (Chow)人名;(英、塞舌)乔;(缅)雀;(中)周(普通话·威妥玛)

  median n. 中值,中位数;中线adj. 中值的;中央的

  biodiversity n. 生物多样性

  gobble vi. 贪食;咯咯叫vt. 狼吞虎咽n. 火鸡叫声

  好了,以上就是托福听力词汇边读边学:吃垃圾的节肢动物这篇托福听力背景材料中的疑难词汇,更多精彩内容小编稍后为您呈现。

  查看全部:托福听力词汇边读边学|托福听力背景材料

  专题推荐:2015年托福真题回忆与解析


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