英语专四听力120篇(51)

2016-03-16 11:17:04来源:网络

英语专四听力120篇(51)

  2016英语专四改革,听力取消新闻部分还是听力听写与讲座和会话,新东方在线专四频道给大家整理了英语专四听力120篇,希望考生们放平心态,淡定备考。

  专四听力dictation部分,要求学生在全面理解内容的基础上逐字逐句写出全篇短文。 拼写和标点符号正确无误,错误率不超过8%。新东方在线专八频道为考生们整理了专四听力dictation模拟练习MP3系列备考资料,希望考生们勤加练习。

  Earwax

  Experts say earwax protects and cleans the ear.

  It traps dirt and other matter and keeps insects out.

  Doctors think it might also help protect against infections.

  And the waxy oil keeps ears from getting too dry.

  There are two kinds of earwax.

  Most people of European or African ancestry have the "wet" kind,while East Asians commonly have "dry" earwax.

  The glands in the ear canal that produce the wax make too much in some people.

  Earwax is normally expelled and it falls out of the ear or gets washed away.

  But extra wax can harden and form a blockage that interferes with sound waves and reduces hearing.

  People can also cause a blockage when they try to clean out their ears,but only push the wax deeper inside.

  Earwax removal is sometimes necessary.

  But you have to use a safe method or you could do a lot of damage.

  耳垢

  专家说耳垢可以保护耳朵并使耳朵保持清洁,

  它能阻挡尘埃和其他物体,并防止昆虫进入。

  医生认为,耳垢还可以帮助预防感染,

  耳垢油可以避免耳朵变得过于干燥。

  耳垢有两种油,

  大多数欧洲和非洲人是油性耳垢,而东亚人则普遍是干性耳垢。

  某些人耳道中的腺体会产生更多的耳垢。

  耳垢一般能从耳朵中排出,

  但耳垢过多会变硬,甚至堵塞耳道,影响听力。

  另外,人们在清洁耳垢时也会堵塞耳道,

  因此我们要用安全的方法清理,

  否则会对耳朵造成伤害。


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