人教版高中英語必修2教案Unit 4 Wildlife protection

▲         they are destroying the farm.v. discovering useful structures to consolidate your learning of the present progressive passive voice, turn to page 29 and do the grammar exercises 1, 2 and 3, also on the very page of 29.vi. closing down by playing a gameto end this period go to page 29 and play the game called “tell me what is happening?” ask questions containing the present progressive passive voice. period 3: a sample lesson plan for using language (about dinosaurs)aimsto read and listen about dinosaursto speak about helping the dodoto write to the dodoproceduresi. warming up by reading to the tapelet’s warm up by reading aloud to the recording of the text about dinosaurs on page 30.ii. listening about dinosaursnow i’d like to tell you something about dinosaurs ■in formation about dinosaurdinosaur means terrible lizard in latin. they were called that because people used to think dinosaurs were lizards, but they were not. dinosaurs first appeared about 200 million years ago. 65 million years ago, many kinds of dinosaurs became extinct. birds are a special type of dinosaur and they were the only kind to live until today.there were many kinds of dinosaurs. some ate plants and some ate meat. the largest dinosaurs were plant-eaters like apatosaurus and brachiosaurus. they were the largest animals to ever walk on dry land.other plant-eaters had special weapons to help them fight off the meat-eaters. for example, triceratops had three horns on its face, ankylosaurus was covered in boney plates, and stegosaurus had spikes on its tail.the meat-eaters all ran around on their back legs like people do. some were very large, like tyrannosaurus, and some were small, like compsognathus. it was the smaller sized meat-eaters that evolved into birds. one of the first birds was archaeopteryx, but it looked half like a dinosaur.there were large flying reptiles that lived at the same time as dinosaurs called pterosaurs, but they were not closely related to dinosaurs. there were also many kinds of large reptiles that could swim, like ichthyosaurs and pleisiosaurs, but they weren’t closely related to dinosaurs either.iii. reading and copying next we shall go back to the text about dinosaurs on page 30 again to read it and copy down all the expressions into your notebook.useful phrases from about dinosaursduring the history of the earth, live on the earth, tens of millions of years ago, came into being, eggs of five species, a rare new species, a bird-like dinosaur, climb tree, tell…from…, die out, hit the earth, put…into the air, get hot, live on, know for sure, in the same way, listen to the story about…, disappear from…