Unit2 Assessing your progress & video Time 教学（ppt课件）-2022新人教版（2019）《高中英语》必修第二册.pptx

1、 Unit 2 Wildlife ProtectionAssessing Your Progress&video Time课前准备：课本，学案。积累本，双色笔 When the buying stops,the killing can too.WildAidRead and complete the passage about wildlife protection with the correct verb forms in brackets.The balance of nature on our planet _(threaten)as a large number of species

2、 _(drive)to extinction.Some scientists predict that half of all our plants and animals will be extinct by 2100.The question is why these species _(endanger).One of the main reasons is loss of habitat.Animal habitats _(destroy)as humans search for more natural resources to consume(消费消费).More land _(a

3、lso use)for growing crops or keeping livestock(家畜家畜).In addition,massive amounts of waste _(produce)by humans,which are polluting animal habitats.Harmful chemicals_(create)by human activities are being released into the air,water,and soil.The whole of nature_(affect)by human beings.However,much has

4、been done and _(still do)to save endangered species.Many programmes _(design)to preserve the populations of endangered species.In my opinion,there is still hope that humans can live in harmony with all things on the earth.is being threatenedare being drivenare being endangeredare being destroyedare

5、also being usedare being producedcreatedis being affectedis still being doneare being designed People all over the world know that China is 1._(wide)well-known for its ancient civilization.In this passage,we will introduce the Chinese writing system.At the beginning,written Chinese was a picture-bas

6、ed language.It dates back several thousand years to longgu.During that time,symbols 2._(carve)on animal bones and shells.By the Shang Dynasty,these symbols 3._(become)a well-developed writing system.Over the years,it developed into different forms because the Chinese people were divided geographical

7、ly,4._(lead)to many varieties of dialects and 5._(character).However,Emperor Qinshihuang united the seven major states into one unified country 6._ the Chinese writing system began to develop in one direction.That writing system was very important in uniting the Chinese people and culture.Written Ch

8、inese has also become 7._ important means by which Chinas present is connected with its past.People in modern times can read the classic works 8._(write)by Chinese in ancient times.Now the Chinese writing system can be seen 9._ an art form Chinese calligraphy.As China plays a greater role in global

9、affairs,an increasing number of international students are beginning to appreciate Chinas culture and history through this 10._(amaze)language.widelywere carvedhad becomeleadingcharacterswhereanwrittenasamazing1.Background information：The World Wide Fund for Nature(WWF)is an international non-govern

10、ment organization working on issues about the conservation,research and restoration of the environment.It is the worlds largest independent conservation organization with over 5 million supporters worldwide,working in more than 90 countries,supporting around 1300 conservation and environmental proje

11、cts around the world.-The wolverine is a powerful animal that looks like a small bear but is actually the largest member of the weasel(鼬鼬)family.They need a lot of room to wander around so they usually live in the northern altitude of Europe,Asia and North America.They eat plants and berries as well

12、 as meat.Wolverines fur that once made them a target in North America.Now the animals are protected in many areas.2.Complete the phrases and use them to finish the passage.about for of out to upadapt _ die _ be concerned _search _ put _ be aware _The World Wild Fund For Nature(WWF)_ the many species

13、 of plants and animals that _ around the world.The WWF wants more people to _ the problem,so they will stop hurting wildlife and _ solutions.Very few people in modern society actually intend to harm animals.Most people do not realise that many animal species cannot _ the changes brought about by mod

14、ern civilisation.Its for this reason that the WWF constantly _ information to stir up public interest in the welfare of the planet.toout/ofaboutforup/outofis concerned aboutare dying out be aware ofsearch foradapt toputs out3.Read and complete the passage with the present continuous passive voice of

15、 the verbs in brackets.It may seem that protecting wildlife is something far from the life of a high school student,but in fact,a lot _(do)by young people around the world.In Washington State,USA,wolverines(貂熊貂熊)_(study)by scientists in an effort to learn how to preserve the population.However,durin

16、g the winter,its difficult to attract the animals to cameras hidden in snowy forests.A group of students heard about the problem and created a special device which _(test)deep in a snowy forest now.Their invention _(use)to send out a certain smell near the cameras.The shy animals are attracted by th

17、e smell and coming around the cameras.They _(observe)by a conservation researcher.is being doneare being studiedis being testedis being usedare being observed4.Project:Plan an animal rescue centre Here is part of a report about an animal rescue centre SMALL FRIENDS PET SHELTER The Small Friends Pet

18、Shelter was started by a group of high school students and their parents when they started to see many pets that were left behind after their families moved away.Today,there are about 70 cats,50 dogs,three rabbits,and a few turtles living at the shelter.The young people who run the shelter work hard

19、 to keep the place clean,take care of the animals,and advertise the animals so that they can be adopted.They have already helped to find homes for nearly 200 animals.It is hard work,but the young people working at the shelter think it is worth it.So if you find a pet that is lost,call the young peop

20、le at Small Friends Pet Shelter!And if you want to help out,go and volunteer your time and love.That is what the animals really need most.2.Read the passage and then tell your partner about it.The questions may help you.1.What is the rescue centre called?It is called Small Friends Pet Shelter.2.Who

21、started it?A group of high school students and their parents.3.What animals were rescued?About 70 cats,50 dogs,three rabbits and a few turtles.4.What help does the centre need?Time and love.2.Think about animals that need help.Plan an animal rescue center for them.Discuss the questions in groups.1.W

22、hat help could people offer?2.What will it be called?3.What can we do to help the animals?4.What skills or equipment do we need?5.Where should the center be built?Tips1.Animals need special habitat for their living.So you should find out the habits of the animal you choose and try to help it in the

23、suitable way.2.Your plan should be practical and can be carried out easily.2.Think about animals that need help.Plan an animal rescue center for them.Discuss the questions in groups.EXAMPLE:Puppy ParadiseWe are a rescue centre for puppies in the city.We look after puppies with no homes.Our centre is

24、 in the old part of the city,as there are lots of stray dogs and puppies in this area.We need volunteers to give their time and skills to help us run the centre.We also need vets to help look after puppies that are sick or injured.You can also help by giving or raising money for the centre as we are

25、 a registered charity.Our puppies soon grow into healthy,loving young dogs which need good homes to go to.If you are willing to accept the responsibility of looking after a dog for its whole life,you can adopt a dog from us.Tips1.Animals need special habitat for their living.So you should find out t

26、he habits of the animal you choose and try to help it in the suitable way.2.Your plan should be practical and can be carried out easily.3.Make a poster in which you describe your animal rescue center and ask for help.1.Find out proper pictures for your poster.2.Think about an attractive title for yo

27、ur poster.3.Your sentences should be concise.4.There must be sentences that can encourage people to do after you.Tips1.Find out proper pictures for your poster.2.Think about an attractive title for your poster.3.Your sentences should be concise.4.There must be sentences that can encourage people to

28、do after you.1.There are 3 different kinds of elephant species.the African bush elephant,the African forest elephant,the Asian elephant.9 Essential Elephant Facts2.An elephants trunk is an all-purpose tool.Elephants use their trunks not only to breathe,smell and eat,but to grasp the trees,pick up ob

29、jects weighing as much as 700 pounds,dig for water,and give themselves showers.3.An elephants ears help to dissipate heat(散热).The large surface area of its ears is lined with many blood vessels,which take heat away and thus help to cool the temperature down in the hot sun.4.Elephants are extremely i

30、ntelligent animals.Not only can elephants use tools with their trunks,but they also display a high degree of self-awareness(for example,recognizing themselves in mirrors)and empathy(同感)toward other members.5.Elephant groups are dominated by females.Elephants have a unique social structure:males and

31、females live apart.Three or four females,together with their young,live together in groups of up to a dozen,while males either live alone or form smaller groups with other males.6.Pregnancy(孕期)of the elephant lasts almost two years.About 22 months,African elephants have the longest gestation period

32、of any land mammal(陆地哺乳动物).Newborn elephants weigh about 110kg,and they usually have to wait at least four or five years with their mother.7.Elephants evolved（进化）over 50 million years.Elephants used to be a lot more common than they are today.From the fossil(化石)evidence,the progenitor(始祖)of all elep

33、hants was tiny,pig-like,which lived in northern Africa about 50 million years ago.Today,the closest living relative of elephants manatees(海牛).8.Elephants are important parts of their ecosystems(生态系统).Elephants have an great influence on their habitats,trees,etc.Their behaviors benefit not only the e

34、lephants themselves,but also other animals,which take advantage of these environmental changes(for example,African elephants have been known to dig caves,which are then used as shelter by bats,insects and smaller mammals).9.Elephants continue to be endangered by the ivory trade.While elephants are s

35、ubject to the same environmental pressures as other animalspollution,habitat destruction and human civilization,they are especially valuable to poachers(偷猎者),who value them for the ivory trade.One positive development is the recent decision by China to ban the ivory.3.Choose one of the animals below

36、 or one of your own.Do some research to add to the animal fact sheet.BEFORE YOU WATCH 1.Look at the title,introduction,and picture.Then guess whether the statements are true(T)or false(F).1 The elephants mothers left them alone.2 The baby elephants all come from different areas of Kenya.3 The native

37、 environment of the elephants is the forest.4 The keepers have to feed the elephants every four hours,day and night.5 The keepers have to sleep with the elephants.FTTFTWHILE YOU WATCH1 Check your answers in Before You Watch.2 Arrange the following items in the order you see them in the video.Write t

38、he numbers 1-7 on the lines.A Two elephants make friends._B The elephant keepers lead the elephants into the forest._C A keeper sings to the elephants._D The elephants play football._E An elephant keeper feeds an elephant some leaves._F The keepers put the elephants to bed._G The keepers feed the el

39、ephants milk using bottles._3 Answer the questions using information from the video.1 According to the elephant keeper,in what way are elephants like people?They are like people because if you love them,they will love you too.2 What is the most important thing elephants must learn at the centre?The

40、most important thing they must learn is to make friends,so they can survive together.3274165AFTER YOU WATCHDiscuss the questions in groups.1.Why is this programme important for elephants and for the world?The programme is important because it protects elephants in danger and will stop them becoming

41、endangered,which is good for the world because it protects the diversity of nature.2.Have you ever taken care of a baby animal?In what ways is it similar to or different from taking care of a human baby?EXAMPLE:I took care of a kitten once.It was like a human baby because it could not look after itself and needed help with feeding.However,it could walk quickly unlike a human baby!