英语必修 第二册Unit 2 Animals优秀课件ppt

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WorksheetI. Study the following sentences and find out how they are combined.This is the plain cupboard.The little cat hides in it.=(This is the plain cupboard in which/where the little cat hides.)Do you remember the day?On that day he started to raise the dog.=(Do you remember the day when/on which he started to raise the dog.)Exhibiting animals from places all over the world in zoos is the reason.For this reason,animals must adapt to different climates and seasons.=(Exhibiting animals from places all over the world in zoos is the reason why animals must adapt to different climates and seasons.)II. Rewrite the following sentences with relative clauses in different ways.1)Last weekend I paid a visit to my friend’s new apartment.In the apartment I found an adorable family companion,a pet dog._______________________________________________________________________________2) My friend told me it was trained at a very young age.At young age,it could have enough time to get accustomed to its life in the owner’s family._____________________________________________________________________________3)It can cheer him up when he is feeling down.Loyalty,friendship and unconditional love are some additional reasons.For these reasons,he adopted a dog._____________________________________________________________________________4) Changfeng Ocean World was China’s first large-scale themed aquarium.More than 15,000 sea animals of over 300 different varieties can be found in it._____________________________________________________________________________5) There are themed tours to interact with animals like star fish,otters and penguins.Visitors can participate in them._____________________________________________________________________________6) We visited a variety of sea animals during spring outing. It was windy and cozy._____________________________________________________________________________III. Complete the conversations about animals with the help of the hints in brackets. (BII on p.25)Conversation 1A:Is that a kola in the photo?B:Yes.It was taken in a wildlife park last summer_________________________(visit,Australia)A:I’ve heard that koalas are only found in Australia.Do you know why?B:As far as I know,they only feed on the leaves of certain trees and Australia is the only place____________________________(these trees,grow). A:I see.No wonder I’ve never seen a koala in our city zoo.B:You know,the chance to come face to face with Australian wildlife,such as koalas and kangaroos,is a powerful reason__________________________________(many tourists,travel in Australia).Conversation 2A:Do animals sleep like humans?B:Yes,they do.We humans may need up to eight hours of sleep a night to keep our brains functioning,while animals require more or less rest.Bats,for example,sleep 20 hours a day while giraffes sleep less than two.But keeping their brains in order is not the only reason _________________________(animals,sleep).Some animals such as bears and turtles go into hibernation for several months in order to survive difficult seasons.Different species have their own sleeping patterns.A:What is hibernation?B:It is an extremely deep sleep.Before hibernation,animals feed heavily during the few months _______________________(food,plentiful) and build up fat,and then go to sleep and live off their fat reserves throughout the cold season___________________________________________- (weather,freezing,food,limited)IV. Suppose a group of foreign teachers and students are coming to visit Changfeng Ocean World in Shanghai,you are asked to prepare a brief introduction to the aquarium,using relative clauses introduced by relative adverbs or by preposition and which to introduce the facilities to hold species and the themed tours.V. Assignments.Finish the Grammar exercises in the workbook.