人教版高中英语 必修3 unit 3 animalextinction与写作.ppt

Wildlife Protection; Unit4 Wildlife protection;Disaster? Weather changing?;True or false 1;Diaosaurs lived on the earth millions of years ago.( ) 2Dinosaurs died out about 55 million years ago.( ) 3.People have known the reason why dinosaurs disappeared.( ) 4We can only know about dinosaurs from their fossils.( 化石 ) ( ) 5.Dinosaurs’s disappearance have something to do with human beings.( ) 6.Long ago bird---like dinosaurs lived in Chaoyang county.( ) 7The dodo died out with dinosaurs.( ) ;Language points; come into being;2.When scientists__________(检查) the bones, they were surprised to find ……:;3. __________(根据)a UN report, ___________(大约)844 animals and plants have disappeared___________________ (在过去500年里);4.-------- it came after an unexpected incident-------- 词语辨析incident ／accident／ event accident多指造成损失的意外事故，如车祸等。 incident“事件”，一般指比较次要的事件，但也可指在政治上会引起???际争端或战争的事件、事变 event指较重大的事件或历史事件，复数形式表“时局”、“时事”。 1937年七七事变 He met with an ________ during this journey． 大事 He was killed in a traffic??????? in 1999． A．incident B．event C．incidence D．accident ;writing;Begin your letter with your address. Then you write:;Example Dear Dodo, I am writing to you because I have heard of your problems. I know man is trying to kill all the dodos and I want to help you. Here are my ideas. First, I would like to come and attack them for you so that they will leave you alone. I want to build a trap and catch them and put them in a cage. Then they will not feel like killing any dodos again. Second, I wish I could take you away to another island where you will be happy and peaceful. I wish I were with you now. Good luck till I come. Yours sincerely, Xiao Xing