在聽力過程中，語言信息通過考生具備的聽力速度、聽力素質(zhì)及記憶力，及時、準(zhǔn)確、完整地傳遞到大腦。2020年全國新東方在線英語專四聽力下載練習(xí)題。
It is well-known that there has been a drastic increase in world population. But it is probably less well-known that the extinction rate of wildlife species is experiencing a parallel trend.
Take the United States for instance. In 1990, U.S. population reached an unprecedented level of 250 million, which is approximately 250 times of that of 1800. On the other hand, wildlife species are disappearing from the country at an alarming rate. By 1900, about 70 wildlife species would never be seen in U. S. We are fully justified in declaring that the explosive population growth has had an adverse effect on the survival of wildlife species and will be a constant threat to the wildlife resources if no immediate actions are taken.
Nothing has ever equaled the magnitude and speed with which the human spedes is altering the physical and chemical world. It has been demolishing the environment we are living in. (152 words)
justify v.證明……是正當(dāng)?shù)?/div>
explosive adj.爆炸(性)的
magnitude n.大小，數(shù)量，量級
alter v.改變
The weather alters almost daily.天氣幾乎天天變化。
demolish vt.毀壞，破壞
Part 2
House and Home
"House" and "home" are two words that have similar meanings.
"House" and "home" both refer to places where people live. However, there is a difference between them. "Home" is often referred to as the place that we live in with our families. Sadly, in our society, people can hardly distinguish a home from a house because they often see no difference between them. This confusion can be traced back to the indifference between family members. Therefore, we can say that love is an important factor in a home. A home is a shelter, not only for our bodies but also for our minds. Whenever we are depressed, we can go home for comfort.
Everyone in the family will do his best to take care of each other and share their happiness as well as sorrow. Without love, a home is merely a house where loneliness is all that can be found. And a house can never be a home unless there is love. (163 words)
Useful Words and Expressions:
refer to v. 提到，指的是
refer a question to an expert非曲直把問題提交給專家(處理)
refer sb. to the dictionary 叫某人去查字典
He referred his success to the good teaching he had.
他把他的成功歸于他以前所受的良好教育。
distinguish v.區(qū)別，辨別
distinguish between silk and rayon 分清絲和人造絲
People who cannot distinguish between colours are said to be colour-blind.
不能分辨顏色的人被稱為色盲。
confusion n.混亂，混淆
trace back to v. 追溯到
trace one's family back追溯某人家世
trace a rumour to its source 追查謠言的根源
indifference n.不關(guān)心
depressed adj.沮喪的，降低的
2020年全國新東方在線英語專四聽力下載練習(xí)題。在聽力速度訓(xùn)練中要抓住速度這個主要矛盾, 采用語法及詞匯比較淺顯，但語速屬于正常的有聲材料。
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