人教版九年级英语下册《nit 15 We’re trying to save the manatees!Section A》课件_6

1、Unit 15,Section A period1,Were trying to save the manatees!,Whats your favorite animal? Why? Do you want to know more animals?,What do you think of them?,chimpanzees,furry,playful,noisy,What are they?,Polar bears,furry,aggressive,What do you think of them?,What are they?,cheetahs,spotted,fast,aggres

2、sive,What do you think of them?,What are they?,African elephants,enormous,gentle,What do you think of them?,What are they?,manatees,gentle,gray,shy,What do you think of them?,What are they?,kangaroos,playful,cute,What do you think of them?,What are they?,Pairwork A: Whats your favorite animals? B: A

3、frican elephants /kangaroos.? A: What do you think of them? B:They are enormous/playful,Group work,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. C: Youre like a manatee. A: Yes!,让我们合作互助,Step3 Explanation,1.b

4、e like=look like=be similar to 像，看起来像。如： 他像他的父亲。 He is like his father. = He looks like his father. = He is similar to his father.,这里的like作介词，意思为“像”，like 还可做动词用，表示“喜欢”，like（doing）sth. 喜欢做某事。如： He likes his father very much. 他很喜欢他的父亲。 Mary likes playing volleyball. 玛丽喜欢打排球。,2a,Listen and match,1.enda

5、ngered,2.mangrove swamps,3. habitat,4. aquatic feed,The place where something lives,b. there arent very many of them,c. underwater plants and vegetation,d. a place where trees grow in water,Make a survey,According to the result , make a report.,Eg. Liping likes African elephants, because they are ge

6、ntle and shy. She doesnt like Chimpanzees. Because they are noisy.,Hi, baby! Lets listen carefully !,1b,Listen and circle,用心倾听,2b,Listen again. Complete the chart.,2500,polluted,Water under trees,enough food,ten feet,weighs 1000,2c,Pair work,A: How big are manatees? B: Theyre about 10 feet long and

7、they weigh about 1,000 pounds.,2.以how组合的疑问词组 how big. 询问体重 how old 询问年龄 how often 询问频率 how long 询问动作持续的长短 how much 询问数量(不可数)或者价钱 how many 询问数量 （可数） how far 询问距离 how soon 询问过多久,英语的语态是通过动词形式的变化表现出来的。英语中有两种语态：主动语态和被动语态。主动语态表示主语是动作的执行者。 Many people speak English. 谓语：speak 的动作是由主语 many people 来执行的。 被动语态表

8、示主语是动作的承受者，即行为动作的对象。English is spoken by many people. 主语 English 是动词speak 的承受者。 动态和被动态指的是动词形式，是词法概念；而主动句和被动句则指的是句子结构，从而是句法概念。所谓主动句就是由主动态动词 (词组) 作谓语动词的句子，而被动句则是由被动态动词 (词组) 作谓语动词的句子。,Grammar Focus:,被动语态的构成 被动语态由 “助动词 be及物动词的过去分词” 构成。人称、数和时态的变化是通过 be 的变化表现出来的。现以 teach 为例说明被动语态在各种时态中的构成。 一般现在时：amisareta

9、ught 一般过去时：wasweretaught 一般将来时：willshall betaught 现在进行时：amisare beingtaught 过去进行时：was/were beingtaught 现在完成时：havehas beentaught 歌诀是：被动语态 be 字变，过去分词跟后面。,Grammar Focus:,被动语态的用法:(1) 不知道或没有必要说明动作的执行者是谁。Somenewcomputerswerestolenlastnight.一些新电脑在昨晚被盗了。(不知道电脑是谁偷的)Thisbookwaspublishedin1981. 这本书出版于1981年。 (2

10、) 强调动作的承受者，而不强调动作的执行者。ThewindowwasbrokenbyMike. 窗户是迈克打破的。Thisbookwaswrittenbyhim. 这本书是他写的。Eighthoursperdayforsleepmustbeguaranteed. 每天8小时睡眠必须得到保证。歌诀：谁做的动作不知道，说出谁做的没有必要；动作承受者需强调，被动语态运用到。,Grammar Focus:,用动词的适当形式填空 1.Were trying _(save) the manatees. 2.Manatees _(eat) about 100 pounds of food a day. 3.There used to_( be) a lot of manatees 4.In 1972, it _ (discover) that they were endangered. 5.Some of the swamps have become _ pollute,to save,eat,be,was discovered,polluted,Homework,1.Copy the new words and remember them. 2. Read Grammar Focus. 3. Writing: There are some animals are endan