九年級英語下學(xué)期unit15課件

1、新目標(biāo)新目標(biāo)九年級九年級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，看起來像。像，看起來像。如：如：He is like his father

13、. 他像他的父親。他像他的父親。= He looks like his father.= He is similar to his father. 這里的這里的like作介詞，意思為作介詞，意思為“像像”，like 還可做動詞用，表示還可做動詞用，表示“喜歡喜歡”，like（doing）sth. 喜歡做某事。喜歡做某事。如：如：He likes his father very much.他很喜歡他的父親。他很喜歡他的父親。Mary likes playing volleyball.瑪麗喜歡打排球。瑪麗喜歡打排球。2.How big are manatees? 海牛有多大？海牛有多大？ how

14、big. 詢問體重。以詢問體重。以how組合的疑問組合的疑問詞組有很多，如：詞組有很多，如： how old 詢問年齡詢問年齡 how often詢問頻率詢問頻率 how long詢問動作持續(xù)的長短詢問動作持續(xù)的長短 how much詢問質(zhì)量或者價錢詢問質(zhì)量或者價錢 how far 詢問距離詢問距離 how many詢問數(shù)量詢問數(shù)量 how soon 詢問過多久詢問過多久3.they weigh about 1,000 pounds, 他們大約重他們大約重1000磅。磅。 weigh 稱稱重量，測重量，測重量。如：重量。如： He weighed the stone in his hand.

15、他用手掂了掂這塊石頭的重量。他用手掂了掂這塊石頭的重量。 The piece of meat weighs four pounds. 這塊肉重四磅。這塊肉重四磅。 weight 還可用做名詞，重量。還可用做名詞，重量。 如：如： What is your weight？ 你的體重是多少？你的體重是多少？4. Were trying to save the manatees. 我們正在竭盡全力拯救海牛。我們正在竭盡全力拯救海牛。 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. 為了進(jìn)入大學(xué)學(xué)習(xí)為了進(jìn)入大學(xué)學(xué)習(xí), 每個學(xué)生都應(yīng)該每個學(xué)生都應(yīng)該努力學(xué)習(xí)。努力學(xué)習(xí)。Grammar時時 態(tài)態(tài)謂語動詞的形式謂語動詞的形式 （do）一般現(xiàn)在時一般現(xiàn)在時一般過去時一般過去時現(xiàn)在進(jìn)行時現(xiàn)在進(jìn)行時現(xiàn)在完成時現(xiàn)在完成時一般過去時被動語態(tài)一般過去時被動語態(tài)現(xiàn)在完成時被動語態(tài)現(xiàn)在完成時被動語態(tài)do / doesdidbe (am / is / are) doinghave / has donewas / were donehave / has been done 定義：現(xiàn)在完成時表示到目前為止定義：現(xiàn)在完成時表

17、示到目前為止已經(jīng)完成，并對現(xiàn)在留下某種后果和已經(jīng)完成，并對現(xiàn)在留下某種后果和影響的動作。影響的動作。1. 表示過去發(fā)生的某一動作對現(xiàn)在造表示過去發(fā)生的某一動作對現(xiàn)在造成的影響或結(jié)果成的影響或結(jié)果,常與一些時間狀語。常與一些時間狀語?，F(xiàn)在完成現(xiàn)在完成時時have / has + 動詞的過去分詞動詞的過去分詞 如如: already, yet, ever, never, just, before, once, twice 等連用等連用, 也可以和包也可以和包括現(xiàn)在在內(nèi)的時間狀語括現(xiàn)在在內(nèi)的時間狀語, 如如these days, today, this year, so far 等連用。等連用。 2

18、. 表示過去發(fā)生的動作或存在的狀態(tài)表示過去發(fā)生的動作或存在的狀態(tài),一直持續(xù)到現(xiàn)在一直持續(xù)到現(xiàn)在,也許還將繼續(xù)下去也許還將繼續(xù)下去,可以和表示從過去某一時刻延續(xù)到現(xiàn)可以和表示從過去某一時刻延續(xù)到現(xiàn)在的一段時間的狀語連用。在的一段時間的狀語連用。 即即for +時間段時間段, since+時間點(diǎn)時間點(diǎn)/從句從句, in the last ten years等等, 謂語只可用延謂語只可用延續(xù)性動詞。續(xù)性動詞。 2. has / have been to 去過某地表示某人的一種經(jīng)歷去過某地表示某人的一種經(jīng)歷,可可與與once, twice, already, ever, never等等連用。連用。 h

19、ave/has gone to 去某地了去某地了,說話時某人已離開此地說話時某人已離開此地,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 (已經(jīng)一段時間已經(jīng)一段時間)。 常常和和for ten days, since I came here等等連用。連用。 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 已經(jīng)已經(jīng) 用于肯定句用于肯定句用于否定句用于否定句, 疑問句疑問句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. 現(xiàn)在完成時中延續(xù)性動詞和終止性現(xiàn)在完成時中延續(xù)性動詞和終止性動詞動詞 英語動詞根據(jù)詞義可分為兩種英語動詞根據(jù)詞義可分為

22、兩種,一種是一種是延續(xù)性的延續(xù)性的,一種是終止性的一種是終止性的,終止性動詞終止性動詞(也可稱為非延續(xù)性動詞也可稱為非延續(xù)性動詞,瞬間動詞瞬間動詞,或點(diǎn)或點(diǎn)動詞動詞),如如:become, begin, buy, borrow, arrive, die, finish, get to know, go, join, marry, start, stop等。表示動作的發(fā)生等。表示動作的發(fā)生與結(jié)束于一瞬間完成與結(jié)束于一瞬間完成,不能再延續(xù)不能再延續(xù),所以它的現(xiàn)在完成時不能和表示延續(xù)所以它的現(xiàn)在完成時不能和表示延續(xù)的時間狀語連用的時間狀語連用,即不能與表示一段時即不能與表示一段時間的狀語間的狀語,

23、for+時間段時間段, since+時間點(diǎn)時間點(diǎn)/從句連用從句連用,也不能用在也不能用在how long引導(dǎo)的引導(dǎo)的特殊疑問句。特殊疑問句。 初中英語課本中常見終止性動詞有初中英語課本中常見終止性動詞有: leave, go, come, arrive, begin, buy, borrow, die, join, become 等。等。 終止性動詞要表示持續(xù)時終止性動詞要表示持續(xù)時, 可用以下可用以下方法：方法： 將時間狀語改為時間段將時間狀語改為時間段 + ago, 句句中謂語動詞用一般過去時。中謂語動詞用一般過去時。eg. 我弟弟參軍兩年了。我弟弟參軍兩年了。 My brother jo

24、ined the army two years ago. 若保留若保留for + 時間段時間段, since+時間點(diǎn)時間點(diǎn)/從句從句, 或用在或用在 how long句型中句型中, 則需將則需將終止性動詞改為相應(yīng)的狀態(tài)動詞或延終止性動詞改為相應(yīng)的狀態(tài)動詞或延續(xù)性動詞。續(xù)性動詞。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 常見終止性動詞與延續(xù)性動詞常

25、見終止性動詞與延續(xù)性動詞 (或狀態(tài)動詞或狀態(tài)動詞) 的對應(yīng)關(guān)系如下的對應(yīng)關(guān)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. 吉姆買了這只鋼筆兩年了。吉姆買了這只鋼筆兩年了。 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. 李雷自從李雷自從2003年就參軍。年就參軍。3. 那部電影開始那部電影開始30分鐘了。分鐘了。4. 自從兩年前這家商店就開了。自從兩年前這家商店就開了。5. 那個

27、老人已經(jīng)死了五年了。那個老人已經(jīng)死了五年了。 6. 莉莉六年前就離開家了。莉莉六年前就離開家了。 現(xiàn)在完成時和一般過去時的區(qū)別：現(xiàn)在完成時和一般過去時的區(qū)別： 現(xiàn)在完成時所表明的是過去發(fā)生現(xiàn)在完成時所表明的是過去發(fā)生的動作對現(xiàn)在的影響的動作對現(xiàn)在的影響, 強(qiáng)調(diào)的是現(xiàn)在強(qiáng)調(diào)的是現(xiàn)在的情況的情況, 不可以和表示過去的時間狀不可以和表示過去的時間狀語語 yesterday, in 1991, three days ago last time, last night等連用。等連用。 一般過去時表明的是過去發(fā)生的一般過去時表明的是過去發(fā)生的事實(shí)事實(shí), 和現(xiàn)在不發(fā)生關(guān)系。和現(xiàn)在不發(fā)生關(guān)系。 5. 現(xiàn)在完成

28、時中的現(xiàn)在完成時中的 for 與與 since for + 時間段與延續(xù)性動詞的現(xiàn)在完成時時間段與延續(xù)性動詞的現(xiàn)在完成時連用連用 since + 時間點(diǎn)時間點(diǎn)/從句。從句。 I have kept the library book for a week. = I have kept the library book since a week ago. It is /has been + 一段時間一段時間 + since. 自從某事發(fā)生已有一段時間了。自從某事發(fā)生已有一段時間了。 eg. It is /has been two years since my brother joined the

29、army. 注意注意: 1. since 引導(dǎo)的從句中動詞用過去時。引導(dǎo)的從句中動詞用過去時。 2. when 引導(dǎo)引導(dǎo) 的特殊問句不與現(xiàn)在完的特殊問句不與現(xiàn)在完成時連用。成時連用。 3. have got,has got 雖然是現(xiàn)在完成時雖然是現(xiàn)在完成時,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 近義句轉(zhuǎn)換：近義句轉(zhuǎn)換： 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 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