Unit 2 Discovering Useful Structures 现在进行时被动语态 ppt课件-2022新人教版（2019）《高中英语》必修第二册.pptx

1、Discovering Useful Structure-is/are being done1.What problems are they talking about?2.Which structure is frequently used?Why is it used?Understand the textsI live on the plains of Tibet,Xinjiang and Qinghai.We were shooting in large numbers during the 1980s and 1990s.Since then,laws have been made

2、to stop the hunting.our population has recovered and our name was removed from the endangered species list.However,killing has not stopped.We are still being hunted nowadays,illegally.Our lives are still being threatened.We are being killed for the fur and horns.Anyhow,measures are being taken to pr

3、otect us.Our habitats are being preserved.But there is still much to be done.A Tibentan antelope:I once lived in the forest or jungles with my family.Then one day,our habitats were disturbed.Our population dropped.Since then,programmes have been designed to protect us.But killings have not stopped.W

4、e are still being hunted because ivory products are still popular.Our habitats are being destroyed;more land is being used for growing crops or keeping livestock(家畜家畜)by villagers and we have to eat their crops.Thats why we are being attacked.Massive amounts of waste are being produced by humans,whi

5、ch are polluting our habitats.Besides,many of my family members are always being kept in a small room and trained to entertain(娱乐娱乐)humans.But I am glad to see that attention is being paid to us and our condition is becoming better!An elephant:I love exploring different places and watching different

6、 people.Nowadays,visitors are being reminded to preserve the environment.In some places,however,careless visitors are always ruining the scenery.Cans,paper and plastic bags are being thrown away by many tour groups.The environment is being damaged.In contrast,trees are being planted,rivers are being

7、 cleaned,parks are being constructed(建设建设)in other places.Wild animals are living in harmony with humans there.A tourist:An animal lover:The importance of wildlife protection can not be over stressed as fur products are still popular;meat of wild animals are still being offered in restaurants.There

8、are,however,people who care much about wildlife.They are designing various programmes to help endangered species.Meanwhile,special structures and forest parks are being built to share our space with wildlife.Understand the structure“is/are being done”“is/are being done”is/are being done:is/are being

9、 done:表示表示此刻此刻或或现阶段现阶段正在发生的事正在发生的事表示近期表示近期反复反复进行，进行，尚未结束尚未结束的动作的动作进行时与进行时与always/usuallyalways/usually等频度副词连用表达等频度副词连用表达讨厌、讨厌、赞扬、羡慕赞扬、羡慕等感情色彩等感情色彩What is the best way to protect wildlife?What is being done?Topic 1 What is being done by your friends or classmates?Are you damaging/improving the enviro

10、nment?Topic 2 Are you satisfied with the neiborhood in your school/village/city?What is being done?Topic 3 What is being done through the Internet?Has the Internet affected our environment?.Wildlife Protection Act _(pass)in 1972 and in recent years,many laws _(make)to save the endangered animals.Mor

11、e laws _(make)to save animals in the future.was passedwill be madehave been madeHomework:Assess your reportHave you used“is/are being done”properly?Is there a clear idea in your report?Are the tenses correctly used?Whats your feeling about the person in these situations?Your deskmate can speak fluen

12、t English and is often praised by your English teacher.You say“You are always being praised by the teacher.You are really great!”Your deskmate often loses his books,papers or exercise books and ask you to share with him yours.You are tired of it and say“You are always losing things!”WHAT IS BEING DONE BY WWF FOR POLAR BEARS