研究生英語(yǔ)LessonThirty-Five

1、The Attraction of a Magnetic Beach Whale stranded beachcollective Mass suicides phenomenon Why did they strand ? What should we do ?The Attraction of a Magnetic BeachMass suicides phenomenon Whales are mammals （哺乳動(dòng)物）that live in the sea,and are the largest in existent mammal of the world, not belong

2、 to the fish. After a long time,their forelimbs （前肢）and tail gradually became fins（鰭）,and adapted to life in the sea. Human beings have noticed a strange phenomenon that individual or groups of whale often adventurely trip to the beach at low tide, eventually beached and died.Mass suicides phenomeno

3、nMass suicides phenomenonMass suicides phenomenon In 1754 the French Aojie Liam Bay, more than 30 sperm whales (抹香鯨) stranded to die.Mass suicides phenomenon In 1970 American Florida Fort Pierce beach, more than 150 Orcas (逆戟鯨) run ashore regardless of the death.Mass suicides phenomenon In March 11,

4、 2008, a more than 2 ton whale beached and died in Hainan.Mass suicides phenomenon On March 16, 2012, 4 sperm whales stranded in the city of yancheng .Mass suicides phenomenon On December 27, 2012, in New York City, the Breeze point beach, a fin whales (長(zhǎng)須鯨) beached. On June 16, 2013，in the evening,

5、 an injured dolphin ran aground in sanya.Why did they strand ? The terrain theory(地形論). Theory of disorder(失常論). To the introduction(向?qū)д?. The theory of reversion(返祖論). The change of the ecological environment (生態(tài)論)Why did they strand ? Dr Margaret Klinowska,from the University of Cambridge,suggeste

6、d in 1983 that the reason why the whales strand is the unhelpfull contours(磁力線(xiàn)) on the magnetic landscape. Dr Joseph Krischvink believes in the whales magnetic sense(磁性感知力),but does not think the magnetic anomalies(磁場(chǎng)異常) cause the stranding.What should we do ? First of all，use a wet towel to cover t

7、he whales body，drench （淋水）water every 2 minutes, to avoid deprivation （脫水）of body fluids. Because whales are mammals, with lung breath, so you cant make water or debris （雜物）into its blowhole, so as to avoid choking water（嗆水）。 At the same time should be given to the shade to avoid direct sunlight, otherwise will be v