評(píng)論
打印
Using Language
語言應(yīng)用
Reading and Listening
閱讀和聽力
Animal Extinction
動(dòng)物滅絕
Many animals have disappeared during the long history of the earth.
從地球有史以來的這段漫長時(shí)期，許多動(dòng)物都消失了。
The most famous of these animals are dinosaurs.
這些動(dòng)物中最有名的是恐龍。
They lived on the earth tens of millions of years ago, long before humans came into being
千百萬年前，恐龍就在地球上生活，比人類的出現(xiàn)要早得多。
and their future seemed secure at that time.
當(dāng)時(shí)他們的前景好像也很安全。
There were many different kinds of dinosaur and a number of them used to live in China.
當(dāng)時(shí)有許多不同種類的恐龍，其中有很多種類曾經(jīng)生活在中國。
The eggs of twenty-five species have been found in Xixia County, Nanyang, Henan Province.
25個(gè)種類的恐龍蛋是在河南省南陽西峽縣發(fā)現(xiàn)的。
Not long ago a rare new species of bird-like dinosaur was discovered in Chaoyang County, Liaoning Province.
不久前，在遼寧省的朝陽縣新發(fā)現(xiàn)了一種罕見的、形狀像鳥一樣的恐龍。
When scientists inspected the bones,
科學(xué)家們觀察他們的頭骨時(shí)，
they were surprised to find that these dinosaurs could not only run like the others but also climb trees.
驚奇地發(fā)現(xiàn)他們不僅跟其他恐龍一樣可以跑，而且還可以爬樹。
They learned this from the way the bones were joined together.
科學(xué)家是根據(jù)恐龍骨骼的連接方式得知這些。
Dinosaurs died out suddenly about 65 million years ago.
恐龍大約在6500萬年前就突然地滅絕了。
Some scientists think it came after an unexpected incident when a huge rock from space hit the earth and put too much dust into the air.
有些科學(xué)家認(rèn)為恐龍滅絕是發(fā)生在一件意外事故之后，當(dāng)時(shí)宇宙間一塊巨石擊中地球因而在空氣中揚(yáng)起太多的塵土。
Others think the earth got too hot for the dinosaurs to live on any more.
另外一些科學(xué)家則認(rèn)為，地球變得太熱，因此恐龍無法在地球上生活了。
Nobody knows for sure why and how dinosaurs disappeared from the earth in such a short time.
沒有人確切地知道恐龍是由于什么原因，又是怎樣在這么短的時(shí)間里從地球上消失的。
We know many other wild plants, animals, insects and birds have died out more recently.
我們知道，近來許多其他的野生動(dòng)植物、昆蟲和鳥類也滅絕了。
According to a UN report, some 844 animals and plants have disappeared in the last 500 years.
根據(jù)聯(lián)合國的一份報(bào)告，在過去500年里，有844種動(dòng)植物消失。
The dodo is one of them.
渡渡鳥就是其中的一種。
It lived on the Island of Mauritius and was a very friendly animal.
它生活在毛里求斯島上，是一種非常友好的動(dòng)物。
Please listen to a story of the dodo and how it disappeared from the earth.
請(qǐng)聽一個(gè)關(guān)于渡渡鳥的故事，看看它是如何從地球上消失的。
