九年级英语下学期unit15课件.ppt

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1、新目标新目标九年级九年级Unit 15Unit 15 Were trying to save the manatees! Warming up Animals are mans friends.Whats this? And how to describe it? enormous, grayWhats this? And how to describe it? noisy, cleverWhats this? And how to describe it? playfulWhats this? And how to describe it? gentle, shyWhats this? An

2、d how to describe it? playfulWhats this? And how to describe it? aggressive, funnyCan you guess what animals they are?1 They look like a cow, but they live in the sea.2 They are furry enough to keep out the cold. They are all white and only live in the North pole.Lets relax .Lets play a guessing gam

3、e. what animals they are?3. They are enormous, have long trunks. They live in Africa and Southeast Asia.4. They only live in Australia and have pockets to keep their babies safe.5. They look like monkeys but bigger than monkeys. They can follow what people do.6.They are spotted and aggressive. They

4、run fast.elephantkangaroochimpanzeecheetahWhats this? And how to describe it?What animal are you like ? manateegentle enormous shy10 feet long weigh 1000 poundsIts a manatee .Its enormous , its about 10 feet long and weighs 1000 pounds , but its gentle and kind of shy. I am like this animal because

5、I like water and I like to eat vegetables. How big is the manatee ? Its about 10 feet long and weighs 1000 pounds.kangarooPlayful high 2.6 meters tall weigh 80 kilosIts a kangaroo .Its about 2.6meters tall and weighs 80 kilos . Its playful .It can jump very high . Im like this animal because I like

6、jumping. How big is the kangaroo ?Its about 2.6meters tall and weighs 80 kilos . 1b Listening gentle furry enormous playful noisy shy aggressive gray fast spotted TapescriptVictor: Hey, Ginny. Whats that big, furry animal on the pond?Ginny: Its a polar bear, Victor. Theyre kind of aggressive.Victor:

7、 Are they? Looks like they really love water.Ginny: Uh-huh.Victor: And what do you call those big, gray things in the water?Ginny: Theyre called manatees.Victor: What?Ginny: Manatees. Theyre very gentle and very shy.Victor: Oh. And how about the yellow and black spotted animals in that cage?Ginny: T

8、heyre cheetahs. The cheetah is the fastest animal on earth. I am like this animal because I am strong and intelligent. I like water and I like to eat vegetables.Youre like an elephant. No.Youre like aManatee.Yes. 2a Listening1. endangered2.mangroves swamps3.habitat4.aquatic feeda. the place where so

9、mething lives b. there arent very many of themc. underwater plants and vegetationd. a place where trees grow in water TapescriptBoy: Can you tell us about the manatees, please?Man: Sure. Were trying to save them.Boy: Why? Are they endangered?Man: Yes There used to be a lot of manatees, but now there

10、 arent very many there are?Boy: Do you know how many there are?Man: At this point, there are only about 2,500 in the U.S In 1972, it was discovered that they were endangered. Since then, the government has passed laws to protect them.Boy: Where do they live?Man: Their favorite habitat is the water u

11、nder the trees in mangrove swamps.Boy: And why are they endangered?Man: Some of the swamps have become polluted. Also, there sometimes isnt enough food for all of them. As you can see, theyre large. The average manatee is about ten feet long and. The average manatee is about ten feet long and weighs

12、 about 1,000 pounds. They need about 100 pounds of aquatic feed a day.Boy: Aquatic feed?Man: Oh, thats underwater plants and vegetation. Thats what they eat.Explanation 1.I am like this animal because I am strong and intelligent.be like=look like=be similar to 像,看起来像。像,看起来像。如:如:He is like his father

13、. 他像他的父亲。他像他的父亲。= He looks like his father.= He is similar to his father. 这里的这里的like作介词,意思为作介词,意思为“像像”,like 还可做动词用,表示还可做动词用,表示“喜欢喜欢”,like(doing)sth. 喜欢做某事。喜欢做某事。如:如:He likes his father very much.他很喜欢他的父亲。他很喜欢他的父亲。Mary likes playing volleyball.玛丽喜欢打排球。玛丽喜欢打排球。2.How big are manatees? 海牛有多大?海牛有多大? how

14、big. 询问体重。以询问体重。以how组合的疑问组合的疑问词组有很多,如:词组有很多,如: how old 询问年龄询问年龄 how often询问频率询问频率 how long询问动作持续的长短询问动作持续的长短 how much询问质量或者价钱询问质量或者价钱 how far 询问距离询问距离 how many询问数量询问数量 how soon 询问过多久询问过多久3.they weigh about 1,000 pounds, 他们大约重他们大约重1000磅。磅。 weigh 称称重量,测重量,测重量。如:重量。如: He weighed the stone in his hand.

15、他用手掂了掂这块石头的重量。他用手掂了掂这块石头的重量。 The piece of meat weighs four pounds. 这块肉重四磅。这块肉重四磅。 weight 还可用做名词,重量。还可用做名词,重量。 如:如: What is your weight? 你的体重是多少?你的体重是多少?4. Were trying to save the manatees. 我们正在竭尽全力拯救海牛。我们正在竭尽全力拯救海牛。 Try to do =try ones best to do 努力去做某事。努力去做某事。如:如: Every student should try to study

16、hard in order to study in a university. 为了进入大学学习为了进入大学学习, 每个学生都应该每个学生都应该努力学习。努力学习。Grammar时时 态态谓语动词的形式谓语动词的形式 (do)一般现在时一般现在时一般过去时一般过去时现在进行时现在进行时现在完成时现在完成时一般过去时被动语态一般过去时被动语态现在完成时被动语态现在完成时被动语态do / doesdidbe (am / is / are) doinghave / has donewas / were donehave / has been done 定义:现在完成时表示到目前为止定义:现在完成时表

17、示到目前为止已经完成,并对现在留下某种后果和已经完成,并对现在留下某种后果和影响的动作。影响的动作。1. 表示过去发生的某一动作对现在造表示过去发生的某一动作对现在造成的影响或结果成的影响或结果,常与一些时间状语。常与一些时间状语。现在完成现在完成时时have / has + 动词的过去分词动词的过去分词 如如: already, yet, ever, never, just, before, once, twice 等连用等连用, 也可以和包也可以和包括现在在内的时间状语括现在在内的时间状语, 如如these days, today, this year, so far 等连用。等连用。 2

18、. 表示过去发生的动作或存在的状态表示过去发生的动作或存在的状态,一直持续到现在一直持续到现在,也许还将继续下去也许还将继续下去,可以和表示从过去某一时刻延续到现可以和表示从过去某一时刻延续到现在的一段时间的状语连用。在的一段时间的状语连用。 即即for +时间段时间段, since+时间点时间点/从句从句, in the last ten years等等, 谓语只可用延谓语只可用延续性动词。续性动词。 2. has / have been to 去过某地表示某人的一种经历去过某地表示某人的一种经历,可可与与once, twice, already, ever, never等等连用。连用。 h

19、ave/has gone to 去某地了去某地了,说话时某人已离开此地说话时某人已离开此地,在去某地的途中或已在某地。在去某地的途中或已在某地。 have / has been in 逗留在某地逗留在某地 (已经一段时间已经一段时间)。 常常和和for ten days, since I came here等等连用。连用。 1. Where is Jim? He _ Wuhan. 2. My parents _ the Great Wall twice. They like there very much. 3. _ you ever _ to the Happy valley? 4. How

20、 long _ Peter _ the West Hill farm?have been to Have been to hasbeen in has gone to 5. My sister _ the shop. She will be back in two hours. 6. She _ Shanghai. She isnt here. 7. She _ Shanghai. She is here. 8. She _ Shanghai for two years.has gone to has gone to has been to has been in 3. already - y

21、et 已经已经 用于肯定句用于肯定句用于否定句用于否定句, 疑问句疑问句1. She has not seen this film _. She has _ seen this film.2. I have _ combed my hair. Have you combed your hair _.3. He has _ watched a video. He has not watched a video _.alreadyalreadyalreadyyetyetyet4. 现在完成时中延续性动词和终止性现在完成时中延续性动词和终止性动词动词 英语动词根据词义可分为两种英语动词根据词义可分为

22、两种,一种是一种是延续性的延续性的,一种是终止性的一种是终止性的,终止性动词终止性动词(也可称为非延续性动词也可称为非延续性动词,瞬间动词瞬间动词,或点或点动词动词),如如:become, begin, buy, borrow, arrive, die, finish, get to know, go, join, marry, start, stop等。表示动作的发生等。表示动作的发生与结束于一瞬间完成与结束于一瞬间完成,不能再延续不能再延续,所以它的现在完成时不能和表示延续所以它的现在完成时不能和表示延续的时间状语连用的时间状语连用,即不能与表示一段时即不能与表示一段时间的状语间的状语,

23、for+时间段时间段, since+时间点时间点/从句连用从句连用,也不能用在也不能用在how long引导的引导的特殊疑问句。特殊疑问句。 初中英语课本中常见终止性动词有初中英语课本中常见终止性动词有: leave, go, come, arrive, begin, buy, borrow, die, join, become 等。等。 终止性动词要表示持续时终止性动词要表示持续时, 可用以下可用以下方法:方法: 将时间状语改为时间段将时间状语改为时间段 + ago, 句句中谓语动词用一般过去时。中谓语动词用一般过去时。eg. 我弟弟参军两年了。我弟弟参军两年了。 My brother jo

24、ined the army two years ago. 若保留若保留for + 时间段时间段, since+时间点时间点/从句从句, 或用在或用在 how long句型中句型中, 则需将则需将终止性动词改为相应的状态动词或延终止性动词改为相应的状态动词或延续性动词。续性动词。come / go / arrive / get / reach / move- be in/at open - be open die - be dead close - be closed become -be borrow - keep put on - wear buy - have 常见终止性动词与延续性动词常

25、见终止性动词与延续性动词 (或状态动词或状态动词) 的对应关系如下的对应关系如下:leave - be away (from) begin / start - be on fall asleep - be asleepend/finish - be over catch a cold - have a cold join the army - be in the army be a soldier join the Party- be in the Party be a Party member 1. 吉姆买了这只钢笔两年了。吉姆买了这只钢笔两年了。 Jim has had this pen

26、for two years. Jim has had this pen since two years ago. Jim has had this pen since 2003. It is two years since Jim bought this pen. It has been two years since Jim bought this pen. Jim bought this pen two years ago.2. 李雷自从李雷自从2003年就参军。年就参军。3. 那部电影开始那部电影开始30分钟了。分钟了。4. 自从两年前这家商店就开了。自从两年前这家商店就开了。5. 那个

27、老人已经死了五年了。那个老人已经死了五年了。 6. 莉莉六年前就离开家了。莉莉六年前就离开家了。 现在完成时和一般过去时的区别:现在完成时和一般过去时的区别: 现在完成时所表明的是过去发生现在完成时所表明的是过去发生的动作对现在的影响的动作对现在的影响, 强调的是现在强调的是现在的情况的情况, 不可以和表示过去的时间状不可以和表示过去的时间状语语 yesterday, in 1991, three days ago last time, last night等连用。等连用。 一般过去时表明的是过去发生的一般过去时表明的是过去发生的事实事实, 和现在不发生关系。和现在不发生关系。 5. 现在完成

28、时中的现在完成时中的 for 与与 since for + 时间段与延续性动词的现在完成时时间段与延续性动词的现在完成时连用连用 since + 时间点时间点/从句。从句。 I have kept the library book for a week. = I have kept the library book since a week ago. It is /has been + 一段时间一段时间 + since. 自从某事发生已有一段时间了。自从某事发生已有一段时间了。 eg. It is /has been two years since my brother joined the

29、army. 注意注意: 1. since 引导的从句中动词用过去时。引导的从句中动词用过去时。 2. when 引导引导 的特殊问句不与现在完的特殊问句不与现在完成时连用。成时连用。 3. have got,has got 虽然是现在完成时虽然是现在完成时,但但 have got = have has got = has 1. Its a long time since we _ (meet) last time, isnt it? 2. -I know you _ (choose) a picture book among these. -Yes,Have a look at it, ple

30、ase. 3. So far, spaceships without people _ (reach) the moon and some other parts of the universe. methave chosenhave reached 4. My father _ home for nearly three weeks. A. has gone away from B. has left C. has been away from D. went away 5. Mr and Mrs Green have _ in China for a week. A. been B. go

31、t C. arrived D. reached 近义句转换:近义句转换: 1. Jack joined the League five months ago. Jack _ a League member five months ago. 2. Its a long time since we met last. We _ _ each other for a long time since we met last time.has beenhaventseenFill in the blanks with the right forms of the given words.1. Every

32、 day my mother _(get) up early.2. The dinosaur eggs _ (discover) many years ago by scientists.3. Listen! Some children _ (sing) an English song over there. getswere discoveredare singing4. In our hometown there used to _(be) many old trees.5. My work _ (not finish) yet. I cant go out to play with yo

33、u.behasnt been finished My favorite animals are pandas. I like them very much because they are gentle and shy. They are also 1_to people. And they look funny, too. Their eyes are the most interesting part. The black circles around their 2_ make them look like they are wearing glasses or have just be

34、en in a fight. Their favorite food is bamboo 3_. They dont like to move around very much. But now pandas are endangered .For one thing, people have destroyed many of their habits. For another, they dont have 4_ food to eat. We must think of ways to 5_ them. I think we should build more panda zoos an

35、d plant more bamboo for them. I hope everyone can do something for animals, so that we can keep our world rich and colorful and full of interesting animals.friendlyeyesleavesenoughprotectFill in the blanks according to the main ideas.* Try to find more endangered animals in the world and write a short passage about how to save them or protect them.

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