2021版外研版必修一英语第五单元课文知识点+定语从句 ppt课件.pptx

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1、language points 单击此处添加文字标题单击此处添加文字标题 seek (to do sth) in search of manage to do the solution to . human activity cut down trees lead to feed on 寻求;寻找寻求;寻找 seek-sought-sought 寻求;寻找寻求;寻找 设法完成某事设法完成某事 .的解决办法;的解决办法;.的解答的解答 人类活动人类活动 伐木;砍倒伐木;砍倒 导致;造成导致;造成 以以.为食;以为食;以.为生为生 单击此处添加文字标题单击此处添加文字标题 1. They migr

2、ate to find food, seek a partner, or in search of warmer weather. 2. Somehow they managed to travel around 4,000 kilo- metres south and . 3. The solution to the mystery of the monarchs amazing ability comes at a time when it is in serious trouble. 4. Sadly, human activity is the main reason why the

3、number of monarch butterflies is falling. 单击此处添加文字标题单击此处添加文字标题 6. The research on the monarchs behaviour has however led to a greater awareness of this creature. 7. People have been working together to record its migration and make sure that there are enough plants for it to feed on. 5. The cut down

4、 trees and use chemicals that kill the plants that monarch caterpillars. 1. These two pieces of information- the time of day and the point where the sun is in the sky- allow the butterfly to dertermine the way to go. 插入语 定语从句修饰先行词the point 关系副词 Paraphrase The butterfly is aware of the time of the da

5、y and the position of the sun in the sky, so it can use these two pieces of information to find out which way to go. 这两条信息这两条信息一天中的时刻和太阳在天空中的位置一天中的时刻和太阳在天空中的位置 让黑脉金斑蝶能够判定前进方向,最终成功抵达过冬的地让黑脉金斑蝶能够判定前进方向,最终成功抵达过冬的地 点。点。 2. The solution to the mystery of the monarchs amazing ability comes at a time when

6、it is in serious trouble. 定语从句 solution to sth 的解决办法的解决办法 Theres no simple solution to this problem. 这个问题没有简单这个问题没有简单的解决办法的解决办法。 She came up with an ingenious solution to the problem. 她想出一个特殊她想出一个特殊的办法的办法来解决这个问题。来解决这个问题。 in serious trouble Without your help, we would have been in serious trouble. 没有

7、你的帮助,我们会没有你的帮助,我们会遇到大麻烦遇到大麻烦。 You will be in serious trouble if anyone finds out the truth. 如果有人发现真相,你的如果有人发现真相,你的麻烦就大了麻烦就大了。 遇到大麻烦遇到大麻烦 Paraphrase People solved the mystery of the monarchs amazing ability at the same time that the monarch is facing a serious and difficult situation. 黑脉金斑蝶这一惊人能力的奥秘被

8、揭开时黑脉金斑蝶这一惊人能力的奥秘被揭开时,这一生物正这一生物正 处于水深火热的生存状态中处于水深火热的生存状态中。 3. The more we know about this lovely creature, the greater the chance it will survive and. 我们了解这个可爱的生物我们了解这个可爱的生物越越多,它幸存的可能性就多,它幸存的可能性就越越大大 the +比较级比较级, the+比较级比较级. 越越,越越 The more I know him, the more I like him. 我我越越了解他,就了解他,就越越喜欢他。喜欢他。 Th

9、e more powerful the car, the more difficult it is to handle. 汽车的功率汽车的功率越越大,就大,就越越难驾驭。难驾驭。 Practice makes perfect 1.我们努力去我们努力去寻找寻找答案答案。 2.为什么他要为什么他要设法设法帮助我们呢?帮助我们呢? 3.3.砍伐树木砍伐树木导致导致土壤流失。土壤流失。 4.4.在中国,人们在中国,人们以以大米大米为食为食。 5. 5. 解决解决问题问题的办法的办法就是种更多的树。就是种更多的树。 We try our best to seek the answer. Why does

10、 he manage to help us? Cutting down trees leads to soil loss. In China, people feed on rice. The solution to the problem is to plant more trees. 单击此处添加文字标题单击此处添加文字标题 G r a m m a r 定语从句定语从句: 用来修饰用来修饰名词名词或或代词代词的的句子句子 关系词 关系代词关系代词 关系副词关系副词 who whom whose that which as when where why 单击此处添加文字标题单击此处添加文字标

11、题 G r a m m a r 引导定语从句的关系代词 引导词 先行词指代 从句中做的成分 关 系 代 词 who whom whose that which as 人人 主语或宾语主语或宾语 人或物人或物 主语或宾语主语或宾语 人人 宾语宾语 人或物人或物 人或物人或物 物物 定语定语 主语或宾语主语或宾语 主语或宾语主语或宾语 a Eventually, it manages to reach the places where it will spend the winter b The solution comes at a time when it is in serious trou

12、ble. C Sadly, human activity is the main reason why the number of monarch butterflies is falling. Q1 What do “What do “wherewhere”, “”, “whenwhen”, and “”, and “whywhy” ” refer to in each sentence?refer to in each sentence? Activity 1 Compare them with the following sentences and answer the question

13、s d Eventually, it manages to reach those places. It will spend the winter there. e It is in serious trouble. The solution comes at this time. f Sadly, human activity is the main reason. For this reason, the number of monarch butterflies is falling. 2. Whats the difference between the two groups of

14、sentences? 3. Why does the author choose to use sentence (a), (b) and (c) in the reading passage? Q2. Sentence (a) (b) and (c) include a clause while sentence (d) (e)and (f) include a pair of simple sentences Q3.In sentence (a) (b)and (c) , there is a closer link and connection between “noun” and th

15、e clause. 单击此处添加文字标题单击此处添加文字标题 G r a m m a r when 作定语从句的作定语从句的时间状语时间状语. I remember the day when I first met him. 分解分解 I remember the day. On the day I first met him. 单击此处添加文字标题单击此处添加文字标题 G r a m m a r where 作定语从句的作定语从句的地点状语地点状语. This is the place where I was born. 分解分解 This is the place. I was born

16、in the place. 单击此处添加文字标题单击此处添加文字标题 G r a m m a r why 作定语从句的作定语从句的原因状语原因状语. Can you tell me the reason why you lied to me? 分解分解 Can you tell me the reason? For the reason you lied to me. 单击此处添加文字标题单击此处添加文字标题 引导定语从句的关系副词 关系副词关系副词 先行词先行词 在从句中的成分在从句中的成分 when where why 时间时间 地点地点 reasonreason 时间状语时间状语 地点状

17、语地点状语 原因状语原因状语 单击此处添加文字标题单击此处添加文字标题 G r a m m a r Can you look for more sentences with attributive clauses in the reading passage? 1. In many of the places where the butterfly can be found, people are destroying the natural environment. (para 4) 2. If this works, there may come a time when the numbe

18、r of monarch butterflies increases once again. (para 5) 单击此处添加文字标题单击此处添加文字标题 G r a m m a r Activity 2 Read the passage and underline the words that where, when and why refer to. In April 2017, two giant pandas from China arrived at a zoo in the Netherlands. There, they were welcomed to the Chinese-s

19、tyle compound where they were to live. On 30 May, after the preparations were complete, the day finally came when the pandas met their fans for the first time. People were excited the zoo is the only place in the country where it is possible to see pandas. In fact, the last time there were pandas in

20、 the Netherlands was in 1987. And of course, the main reason why they were so excited is that pandas are just so cute! 单击此处添加文字标题单击此处添加文字标题 G r a m m a r Activity 3 Complete the email with where, when or why. Hi Kay, Were having an amazing time here in South Africa. Our accommodation is perfect. It

21、is in a location 1 we can watch animals wandering past on their way to the waterhole. Sunset is the time of day 2 we sit on the balcony and count how many giraffes or antelopes we can see. I guess this is the reason 3 this place is so popular. Next week, we are going to fly up to Zambia. Thats one o

22、f the countries 4 you can visit the famous Victoria Falls. See you soon. David Hi Kay,Were having an amazing time here in South Africa. Our accommodation is perfect. It is in a location 1 we can watch animals wandering past on their way to the waterhole. Sunset is the time of day 2 we sit on the bal

23、cony and count how many giraffes or antelopes we can see. I guess this is the reason 3 this place is so popular. Next week, we are going to fly up to Zambia. Thats one of the countries 4 you can visit the famous Victoria Falls. See you soon.David From Subject To David Waters Back to nature Kay Silve

24、rman Hi Kay, Were having an amazing time here in South Africa. Our accommodation is perfect. It is in a location _ we can watch animals wandering past on their way to the waterhole. Sunset is the time of day _ we sit on the balcony and count how many giraffes or antelopes we can see. I guess this is

25、 the reason _ this place is so popular. Next week, we are going to fly up to Zambia. Thats one of the countries _ you can visit the famous Victoria Falls. See you soon. David where when why where 单击此处添加文字标题单击此处添加文字标题 Animal idioms 单击此处添加文字标题单击此处添加文字标题 Love me, love my dog. Animal idioms Guess the me

26、anings of the following proverbs about animals. Dont ride the high horse. Never offer to teach fish to swim. Fine feathers make fine birds. . 爱屋及乌爱屋及乌 勿勿摆架子摆架子 不要班门弄斧不要班门弄斧 人人凭衣裳马凭凭衣裳马凭鞍鞍 单击此处添加文字标题单击此处添加文字标题 Animal idioms Activity 4 Look at the pictures and complete the idioms with animal names. 1.

27、 as busy as a (n) _ 2. kill two _ with one stone 3. When the cats away, the _ will play. 4. hold your _ 5. Its raining _ and _. 3 5 bee birds mice horses cats dogs 单击此处添加文字标题单击此处添加文字标题 Animal idioms Activity 5 Complete the paragraph with the animal idioms in Activity 4. English idioms are a way of a

28、dding colour to othe language. For example, instead of saying “its raining heavily”, you could say “_”. Another reasoon to use diioms is that they are concise. For example , to describe someone who is always working or busy doing something , we can say they are _. If they re rushing into something a

29、nd should wait and be patient, hyou could sy “_. Learning idioms can be fun, especially when we compare them to Chinese equivalents. Take, for example, “_”. (people do what they want and have fun when someone in authority is absent) and “_”(solve two problems with one action)-are ther corresponding

30、idioms in Chine? Its raining cats and dogs. as busy as a bee hold your horses When the cats away, the mice will play. kill two birds with one stone 单击此处添加文字标题单击此处添加文字标题 Animal idioms Activity 6. Work in pairs, choose an idiom and describe a situation with it. A: Shes as busy as a bee. B: What makes

31、you say that? A: Shes trying to complete her assignment by the weekend. B: Oh, we have to meet her up next week. Debating about animals 单击此处添加文字标题单击此处添加文字标题 Dogs were first domesticated over 14,000 years ago. Sheep, cows and pigs have been kept at home as sources of food for around 7,000 years. The

32、oldest zoo in the world is in Vienna, opened in 1752. The oldest zoo in China is Beijing Zoo, which was founded in 1906. 单击此处添加文字标题单击此处添加文字标题 1. Can zoo animals survive in the wild? 2. Can zoos offer animals their natural environment? 3. Should we keep wild animals in the zoo? 4. Should we educate p

33、eople more about animals? Listening Activtity 7. Listen to the TV debate and choose the correct topic. Learning to learn In a debate, first listen out for the main topic. This is usually a statement or question at the very start of the debate. Speakers will state whether they are for or against the

34、statement. Then, they will introduce their supporting arguments with expressions such as We must remember that and We cant deny that Listening Activity 8 Listen again and complete the mind map. in danger of dying out educate people about animals natural environments depend too much on humans as good

35、 as do more good for 单击此处添加文字标题单击此处添加文字标题 Listening Activity 8. Listen again and focus on how the speakers express agreement and disagreement. Agreeing Exactly! I agree. That is true. I see your point. No doubt about it. I suppose so. Disagreeing I dont agree. Thats just not true. Im afraid I totall

36、y disagree. Im not so sure about that. I dont think so. Thats not always the same. 单击此处添加文字标题单击此处添加文字标题 Listening Do you think we should or shouldnt keep animals as pets? Work in pairs. Hold a debate on whether we should keep animals as pets. Student A: Turn to Page 83. (agree) Student B: Turn to Page 86. (disagree)

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