九年级UNIT15课件SectionA1

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1、新目标新目标 九年级九年级 Unit 151. How much do you know about endangered animals?2. How many endangered animals can you say?3. Can you recognize the endagered animals in the photos below?Panda Panda is one of the endangered animals. Yangtze River Dolphin (白鳍豚白鳍豚)Its listed as one of the 12 most endangered anim

2、al species in the world.Siberian Tiger (东北虎东北虎)According to statistics, the Siberian tigers left at present, are less than 20. Whats this? And how to describe it? enormous, grayAfrican elephants1a1a noisychimpanzeesplayfulkangaroosgentle, shymanateesspotted, fastcheetahsaggressive, furrypolar bears1

3、b Listen and circle the words in 1a that Victor and Ginny use to describe the animals. gentle furry enormous playful noisy shy aggressive gray fast spotted A: I am like this animal because I am strong and intelligent. I like water and I like to eat vegetables.B: Youre like an elephant.A: No.B: Youre

4、 like a manatee.A: Yes!Its enormous, its about 10 feet long and weighs 1000 pounds, but its gentle and kind of shy. Their favorite habitat is in the water under the trees in mangrove swamps(红树林沼泽地红树林沼泽地). They eat aquatic feed (水生植物水生植物). Sometimes, a female manatee can feed its baby like a woman, s

5、o its called “mermaid”(美人鱼美人鱼). But now, some of the swamps have become polluted. Also, there sometimes isnt enough food for all of them. So they are 2a Listening1.endangered2.mangroves swamps3.habitat4.aquatic feeda. the place where something lives b. there arent very many of themc. underwater plan

6、ts and vegetationd. a place where trees grow in waterKind of animalmanateeNumbersHabitatReason why they are endangeredDescriptionListen and complete the Listen and complete the chart.chart.2,500 in the U.S.water under trees in mangrove swampsswamps polluted.not enough food.large, 10 feet long, weigh

7、s 1,000 poundsA: How big are manatees?B: Theyre about 10 feet long and they weigh about 1,000 pounds.A: Where do they live? B: Their favorite habitat is the water under the trees in mangrove swamps.A: Why are they endangered?B: Some of the swamps have become polluted. Also, there sometimes isnt enou

8、gh food for all of them. 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。 e.g. He is like his father. 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”，l

9、ike（doing）sth. 喜欢做某事。喜欢做某事。e.g.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 big. 询问体重。询问体重。以以how组合的疑组合的疑问词组有很多，如：问词组有很多，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

10、 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 v. 称称重量，测重量，测重量重量 e.g. He weighed the stone in his hand. 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。e.g.What is your weigh

11、t？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。 e.g. Every student should try to study hard in order to study in a university. 为了进入大学学习为了进入大学学习, 每个学生都应该努每个学生都应该努力学习。力学习。时时 态态谓语动词的形式谓语动词的形式 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

12、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 done1. 当我们不知道动作的执行者时。当我们不知道动作的执行者时。 e.g. Look! There is nothing here. Everything has been taken away.被动语态被动语态被动语态常用在以下情况：被动语态常用在以下情况：2. 当我们不必要提出动作的执行者时。当我们不必要提出动作的执行者时。 e.g.

13、 I was born in 1960.3. 当我们强调或侧重动作的承受者时。当我们强调或侧重动作的承受者时。 e.g. She is liked by everyone. (强调强调she)4. 当我们出于礼貌避免说出动作的执行者当我们出于礼貌避免说出动作的执行者时。时。 e.g. Youll be contacted.5. 当我们出于行文的需要时。当我们出于行文的需要时。 e.g. The film was directed by Xie Jin.3. 有些动词习惯上常用被动语态。有些动词习惯上常用被动语态。 e.g. He is said to be a good teacher.定义定

14、义：现在完成时表示到目前为止已：现在完成时表示到目前为止已经完成，并对现在留下某种后果和影经完成，并对现在留下某种后果和影响的动作。响的动作。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, 也可以和包括现在也可以和包括现在在内的时间状语在内的时间状语, 如如these days, today, this year, so far 等连用等连用。 e.g.We have seen that film before.1. 表示过去发生的某一动作

15、对现在造成表示过去发生的某一动作对现在造成的影响或结果的影响或结果,常与一些时间状语。常与一些时间状语。2. 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,一一直持续到现在直持续到现在,也许还将继续下去也许还将继续下去,可以可以和表示从过去某一时刻延续到现在的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。一段时间的状语连用。 1) 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。 e.g. He has lived here since 2005.2) has

16、 / 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,可与可与once, twice, already, ever, never等连用。等连用。 e.g. I have been to New York once. have/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,在去某在去某地的途中或已在某地。地的途中或已在某地。 e.g. He has gone to Shanghai. 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)。 常和常和for ten days, since I c

17、ame here等连用。等连用。e.g.He has been in London for half a month. 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 long _ Peter _ the West Hill farm?have been to Have been to hasbeen in has gone to 即学即练即学即练5) My sister _

18、 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 - yet 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 ha

19、ve _ 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非延续性动词现在完成时中延续性动词和非延续性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两种,一种是一种是延续性的延续性的,一种是非延续性的一种是非延续性的, 终止性动终止性动词词(也可称为瞬间动词也可称为瞬间动词, 或点动词或点动词),如如:become, begin, buy, bo

20、rrow, arrive, die, finish, get to know, go, join, marry, start, stop等。等。表示动作的发生与结束于一瞬间完成表示动作的发生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所以它的现在完成时不能和表示延续的时间状语连用能和表示延续的时间状语连用,即即不能不能与表示一段时间的状语与表示一段时间的状语, 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引导的特殊疑问句。引导的特殊疑问句。中常见非延续性动词有中常见非延续性动词有:leave, go, come,

21、arrive, begin, buy, borrow, die, join, become 等。等。非延续性动词要表示持续时非延续性动词要表示持续时, 可用以下方可用以下方法：法： 将将时间状语改为时间段时间状语改为时间段 + ago, 句中句中谓谓语动词用一般过去时语动词用一般过去时。e.g. My brother joined the army two years ago. 我弟弟参军两年了。我弟弟参军两年了。 若保留若保留for + 时间段时间段, since+时间点时间点/从从句句, 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终止性动词改为

22、相应的状态动词或延续性动词。延续性动词。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见终止性动词与延续性动词 (或状或状态动词态动词) 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

23、 - 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 吉姆买了这只钢笔两年了。吉姆买了这只钢笔两年了。Jim bought this pen two years ago.Jim has had this pen for two years.Jim has had this pen since two years ago.It is two years since Jim bought t

24、his pen.It has been two years since Jim bought this pen.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的动现在完成时所表明的是过去发生的动作对现在的影响作对现在的影响, 强调的是现在的情况强调的是现在的情况, 不可以和表示过去的时间状语。不可以和表示过去的时间状语。 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事实一般过去时表明的是过去发生的事实, 和现在不发生关系。和现在不发生关系。

25、e.g.He has lived in Beijing for 8 years. (A)He lived in Beijing for 8 years. (B) 他在北京住了他在北京住了8年。年。(A)句讲的是到目前为止他在北京住了句讲的是到目前为止他在北京住了8年，年，可能还会继续在北京住下去可能还会继续在北京住下去。(B)句讲的是他在北京住过句讲的是他在北京住过8年，年，现在不现在不在北京了。在北京了。1. Its a long time since we _ (meet) last time, isnt it? 2. -I know you _ (choose) a picture bo

26、ok among these. -Yes,Have a look at it, please. 3. So far, spaceships without people _ (reach) the moon and some other parts of the universe. methave chosenhave reached4. 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

27、 have _ in China for a week. A. been B. got 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 beenhavent seenFill in the blanks with th

28、e 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 hometown there used to _(be) many old trees.5. My work _ (not f

29、inish) yet. I cant go out to play with you.behasnt been finished根据括号中所给动词根据括号中所给动词, 用其正确时态填空。用其正确时态填空。1. Frank _ (help) his mother with the housework on Sundays.2. I _ (become) a middle school student three years ago.helpsbecame3. Hello! May I speak to your father, please? Sorry, my father _ (go) to

30、 Shanghai. He went there this morning.4. Whats the noise? Jane and her sister _ (watch) TV.has goneare watching5. They _ (have) eggs and bread for breakfast tomorrow morning.6. He _ (cross) the street when he was hit by a bike.was crossingwill havePlease listen to the conversations again. Make some sentences with different tenses.