新概念优美背诵短文50篇 Unit14:A Rare Fossil Record

14 A Rare Fossil Record The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be fossilized. Ichthyosaurs had

新东方优美背诵短文50篇 Unit42:Coal-fired power plants

42.Coal-fired power plants The invention of the incandescent light bulb by Thomas A. Edison in 1879 created a demand for a cheap, readily available fuel with which to generate large amounts of electric power. Coal seemed to fit the bill, and it fuel

新东方优美背诵短文50篇 Unit40:Cohesion-tension Theory

40 Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ni

新东方优美背诵短文50篇 Unit44:Obtaining Fresh water from icebergs

44.Obtaining Fresh water from icebergs The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is being con

最新四级晨读主题美文100篇 80

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美国英语听力80篇1 Lesson02

[00:09.95]Six weeks ago, the movie Erin Brockovich opened the United States. [00:16.95]So far, it has earned at least 100,000,000 dollars. [00:22.47]It tells a true story about a young woman who helped people in a California town gain money from an e

美国英语听力80篇1 Lesson03

[00:03.16]Computer viruses are electronic programs that destroy information on a computer or cause the computer to stop working. [00:13.37]Computer experts say the I Love You virus is one of the most dangerous they have ever seen. [00:21.29]It began

美国英语听力80篇1 Lesson06

[00:07.03]The National Guard is one of the organizations of the United States Army and Air Force. [00:13.90]Its members are not active duty soldiers and airmen. [00:14.01]But National Guard members can be ordered to serve with them. [00:18.63]The Nat

美国英语听力80篇1 Lesson15

[00:05.12]Cassava is an important food in the diets of more than 500,000,000 people in Africa, Asia and South America. [00:15.70]However, the United Nations Food and Agriculture Organization notes that agricultural development policies [00:24.53]ofte

新概念优美背诵短文50篇 Unit18:Modern American Universities

18.Modern American Universities Before the 1850s, the United States had a number of small colleges, most of them dating from colonial days. They were small, church connected institutions whose primary concern was to shape the moral character of thei

新东方优美背诵短文50篇 Unit26:International Business and Cross-cultura

26. International Business and Cross-cultural Communication The increase in international business and in foreign investment has created a need for executives with knowledge of foreign languages and skills in cross-cultural communication. Americans,

背诵为王 第 一 册 第 29 课

29 A Seaside Picnic One morning last April, Joan was lying in bed when the telephone rang. It was her friend, Dave, who invited her out for a picnic at the seaside. Later that day she left her flat and walked to the bus stop to catch the bus. Joan wa

背诵为王 第 一 册 第 33 课

33 The Eagle and the Raven An eagle was trying to break open a nut in his beak when a raven landed on a branch beside him. The raven eyed the nut hopefully, You'll never break it like that,he said. If I were you I would fly up in the sky as high as I

背诵为王 第 一 册 第 36 课

36 The Dog and His Shadow It happened that a dog had some meat that he wanted to eat at home. On his way home he met a river. As he looked down, he saw his shadow in the water. Just look!said he to himself. That dog down there has some meat, too. If

背诵为王 第 二 册 第 67 课

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美国英语听力80篇3 Lesson55

[00:07.05]The World Health Organization says about 600,000-- 300 babies got H-I-V, [00:15.39]the virus that causes AIDS, from their mothers in 1998. [00:20.48]It says 90% of those babies were in African countries south of the Sahara Desert. [00:28.71

美国英语听力80篇4 Lesson64

[00:07.52] You probably know a famous saying about the importance of eating apples [00:14.58]It is,An apple a day keeps the doctor away. [00:19.83]Now,a new American study shows eating apples may help fight cancer,too. [00:28.16]Research scientists a

美国英语听力80篇2 Lesson30

[00:04.57]A new American study shows that chemicals used to kill insects in the home may increase the risk of developing Parkinson's disease. [00:17.14]Earlier studies have shown that people who work around pesticides are at greater risk of developin

美国英语听力80篇2 Lesson29

[00:04.36]American officials are seeking ways for cities to grow without expanding into surrounding open space. [00:14.00]They are trying to rebuild the centers of older industrial cities. [00:19.91]And they want to help people use less resources suc

美国英语听力80篇1 Lesson18

[00:07.05]The American company Monsanto has announced what it calls a major development in efforts to identify all of the genes found in rice. [00:18.49]It says scientists working in the United States have produced the first plans for a genetic map o