Unit 3 We’re trying to save the manatees！导学案（6课时）

Unit 3 We’re trying to save the manatees ！
[教学目标]
1 掌握本单元单词短语
2复习现在进行时，一般现在时，used to的用法，被动语态和现在完成时。
3清楚各时态的用法，并会区分应用
[教学重难点]
I 重点词汇：manatee, furry, enormous, playful, aggressive, gray, spotted, kangaroo, chimpanzee, cheetah, swamp, habitat, aquatic, feed, underwater, vegetation, polluted, spotted animals/dog in the mangrove swamp
weigh 100 pounds lose one’s weight
be polluted polluted water
II、重点句型：
We’re trying to save the manatees!
Manatees eat about 100 pounds of food a day.
There used to be a lot of manatees.
In 1972, it was discovered that they were endangered.
Some of the swamps have become polluted.
III 重点语法：各种时态复习
[教学过程]
第一课时
[预习检测]
I按要求写单词
1 动物类
2 描述性形容词
II 小组讨论并展示：
[课堂教学]
Step 1 free talk Talk about the animals with the adj
Eg :I like....best ,because they are...,If necessary, I want to be …..
Step 2 1a 1b
I do exercises 1a /check the answers
[小组讨论]discuss the words given in 1a
Eg；A gentle animal is quiet and not dangerous．
A fury animal is covered with soft hair．
II listen and do exercises 1b/check the answers
Step 3 guessing game 1c
You can write a sentence or two that describes how you are similar to the animal you choose． Don’t say the name of the animal．
Eg S1:I am like this animal because I am playful and funny．
Ss: You’re like a polar bear． S1: No．
Ss: You’re like a kangaroo． S1: Yes!
II[语法探究]
Like 的用法
1) like介词，像， e.g. She is very like her mother. 她很像她母亲
look like看上去像(着重指外貌) e.g. He looks like an athlete.
2).like v.喜欢
like sth e.g. My little brother likes ice-cream very much.
like doing sth e.g I used to liked reading, but now I like writing.
like to do sth. e.g.I like to go trekking next vacation.
3) 对比
Step 4 listening 2a 2b
I listen and do 2a/check the answers
II listen again and check 2b (who are all right )
Step 5 [语法回顾]
1 try try on试穿；try out尝试，实验； have a try试一下。
try one’s best to do =do one’s best to do竭尽全力做某事。
try to do sth. 尽力做某事; try doing sth. 尝试着做某事。
2 how 特殊疑问词
[课后作业] 用所给动词的适当形式填空
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.
4. In our hometown there used to _____(be) many old trees.
5. My work _____(not finish) yet. I can’t go out to play with you.
6. Sundenly I realised someone (follow)me.
7.It’s dangerous for animals to drink if the water becomes p .
8.Some animals are g and friendly to people.
9.The animal weighs about 200 p .
第二课时
[复习检测] 完成句子
1.他像一只猴子因为他很聪明。
He a monkey because he is very clever.
2.过去有很多非洲象。
There many African elephants.
3.据报道有六万多人在汶川地震中丧失生命。
It that over 60,000 people lost their lives in Wenchuan earthquake.
4.我们正在尽力阻止水污染.
We are the water pollution.
5.这条大河有1000米长。
The river is about .
[课堂教学]
Step 1 3a 3b
I Read 3a and 3b ,then fill in the chart .
Zoos are terrible places Zoos are important places
[小组合作]
II find out the phrases and grammar in groups
[语法回顾]
1 be against
be against 反对, against 介词，后跟名词，动词-ing，其反义词组be for
2 Keep的用法：
① keep+adj. 意思是保持某种状态You must keep quiet in the library.
②keep+sb/sth +表地点的介词短语。意思是让某人一直在某地
如： You’d better keep the chicken in the fridge.
③keep doing sth. 意思是继续不断的做某事，一直做某事.
如：The baby kept crying until his mother came back.
④Keep sb.from doing sth.意思是阻止某人做某事.from不能省略。
The police kept the kids from crossing the road when it was dangerous
⑤Keep on doing sth.意思是反复做某事.Don’t keep on shouting at me.
3 I don’t think so. 我不这样认为。
I think so. 我认为是这样。so在此是代词，代替上文的句意，否定常用not。以下是英语的习惯用法：
I think so. →I don’t think so. I am afraid so. →I am afraid not.
I hope so. →I hope not. I believe so. →I don’t believe so. /I believe not
Step 2 groupwork 4 P19
Write down your opinions
[当堂检测] 从方框中选择适当的单词，并用其正确的形式填入句子中。
1.Many people are worried about the animals.
2.Have you ever a zoo before
3.I don’t think zoos are places for animals to live.
4.Tigers and some dangerous animals in cages in the zoo.
5.It’s necessary the zoo.
6.A zoo is a textbook for us.
7.This TV program people to protect the environment.
8.Some large animals can move in the cage.
[课后作业] 根据汉语提示完成句子
1.I ______ ______ _______(反对建) a new zoo in our town.
2.I _____ very __________ ______ (感到惊讶)find hardly anyone there.
3.They ________ home ____ （提供）many endangered animals and help educate the public about ______ ______(关心) them.
4.I ______ everyone _____ ______ （强力要求参观）our wonderful zoo.
第三课时
[课前检测] 听写单词
[课堂教学]
Step 1 Free talk:
Do you like our earth what do you like or dislike Why
How should we do to protect the earth？
Step 2 SectionB 1a
I complete the following points
停止驾驶汽车 _______回收书籍的纸张 ____________
当你离开房间时关灯 _______________当你在洗头时关上淋浴 ___________________________不使用纸巾或餐巾纸 _____________
II .What else can we do to help save the planet Rank the items form the easiest to the most difficult.
Step 3 listening
I 2a 2b listen and finish the exercises
II Check the answers with the class．
[课堂检测] fill in the blanks
Boy: Hey, Julia． Don’t forget to turn off the lights． It saves electricity．
Girl: Oh, I know． I usually do that． I was just in a hurry． How you’re so interested in the environment, Jack
Boy: I always have been． Lots of people think there’s nothing they can do, but I just read this book about it, and there are lots of things the average person can do．
Girl: Like what
Boy: Well, you should turn off the shower when you’re washing your hair．
Girl: Oh, I’d never do that] Boy: You wouldn’t
Girl: No, I have very short hair． I’m only in the shower for a few minutes．
Boy: Well, every minute helps． Girl: What else does it say
Boy: It says you should take your own bags when you go food shopping．
Girl: Oh, that’s not difficult． I can do that． What else
Boy: Hmmm． Here’s a good one． It says people should stop riding in cars and start riding bikes．
girl: Oh, I’ll never do that! Can you see me riding 45 minutes to and from school every day
Boy: Well, I think the environment is really important． Besides, I like riding my bike．
Girl: Yes, and you also live close to school!
Step 4 Pairwork 2c
Work in pairs according to the dialogue
[语法归纳] 在英语中有些动词和stop一样既可以跟to+ 动词原形，也可以跟v-ing,其含义有的相近，有的相差甚远。现将较常见的几组词的区别归纳如下
1.意思相差较大的有：
A remember / forget doing sth.表示记得/忘记做过某事（做了）
remember /forget to do sth.表示记住/忘记做某事 （没做）
B try doing sth.试着做某事 try to do sth.尽力做某事
C need doing sth.主语是物，主动形式表被动意义。=need to be done
need to do sth.需要做某事，主语一般为人。
D go on doing sth. 继续做一直在做的事 如： Please go on doing your homework.
go on to do sth接着做另一件事如After I finished my work, I went on to watch TV
E stop doing sth. 是“停止做某事”，而stop to do sth. 则是“停下来去做某事”。
stop sb.(from) doing. 阻止某人做某事
2.意思有区别，但比较相近的有 ：
①like/ love/ hate doing sth. ②start/ begin doing sth. ③be afraid of doing sth.
like/ love/ hate todo sth. start/ begin to do sth. be afraid to do sth.
3.动词不定式和现在分词做宾语补足语的区别：我们常见的动词如feel,hear, see, watch, notice等，接不带to的不定式表示已经完成的或经常性的动作；接现在分词表示动作正在进行。
[课后作业] )用所给动词的适当形式填空
1.The old building ________(set up) yesterday.
2.Most of the trash can __________(recycle) in the future.
3. Tim was badly hurt, so he had to stop _____(walk).
4.As soon as he saw me, He stopped _______(speak) to me.
5.There are many people ________(pick) up apples.
6. _________(recycle) paper is not difficult.
7.He was surprised _____________(see) me in street.
8.So far man ___________(travel) farther than the moon..
9..Look！He __________ (play) football.　 　　
10.The shop ________(close) at five every day.
11.The lab building (build) 30 years ago.
12.When the teacher came in, the students stopped (talk).
第四课时
[课前预习]翻译下列词组。
1).听说过 _____2). 由…制成（看不出原材料） _____
3).用…制成________________4).回收材料 _____
5).拆除 _________6). 在业余时间 ___
7).丢弃的砖瓦 _________8).获奖 __
9).我们大家的榜样 ________
[课堂教学]
Step 1. free talk 3b
Ask different students to make sample sentences using the phrases made from and used to be about items in the After picture．P21
Eg His backpack used to be a pair of pants．His backpack is made from a pair of pants．
Step 2 3a
I .Read fast and answer the folling questions:
1).Who is Amy Winterbourne __________________________________________________
2). Did she win an award What’s it ____________________________________________
3).What does she do in her spare time __________________________________________
II .read again and fill in the chart.
House parts Things made from
The walls
The fence
The roof
III [小组讨论] Phrases and grammar
Write down
[语法回顾]
1 The walls are made from old glass bottles that are glues together.
be made of “由…制成”，主语为制成品，而且能看出原材料。
be made from 意思也是“由…制成”，但制成品看不出原材料。
be made in 表示某一产品在某地生产或制造，in后面跟表示地点的名词。
be made by “由（谁）制造的”， by 后面接动作的执行者。
be made into “… 被制成…”
2.hear/ hear of （about）/ hear from
hear “听见”，“听到”，后可接名词、代词+ 分词结构或动词原形。
hear和 hear of 都可以解做“听说”，hear 后面接宾语从句，hear of （about） 接名词、代词或动名词。hear from“收到…的信”，“得到…的消息”
[课后作业] 按要求完成句子
1.That house is old and dangerous. It should ______(pull) down.
2.Look!There is a cat _______(climb) up the tree.
3.School _______(start)at eight and ends at twelve.
4.He used to _______(take)a walk after supper.
5. you ______(buy)a travel guidebook No, not yet.
6.I ________ (do)it hours ago.
7.They ____________ (not come)back yet.
8.I’m against __________________(kill)the animals.
9.The bridge ___________(build)30 years ago.
10.Her father bought the car three months ago. (同义句)
Her father the car for three months.
11．It’s good for your health to take exercise often. (同义句)
exercise often can make you .
12.What do you do _________ (在业余时间)
13.A wooden bridge __________(正在建设中）.
14.Her grandma (过去是)a famous history teacher.
第五课时 （reading）
[课前检测] 听写3a的重点短语
[课堂教学]
Step 1 Free talk
How to protect the environment、
Step 2 reading
I read and finish 3a. P24
II groupwork Find out the phrases and ask some qoestions
P1
P 2
III act out
[课后作业] P30 selfcheck1
第六—七 课时 （复习练习）
[本节任务] 1 完成讲授selfcheck的相关练习
2掌握本单元重点词汇 句型
3复习各种时态
[课堂教学]
Step 1 selfcheck
1 fill in the blanks and check the answers
2 pairwork P22
Step2 基础巩固
I find out the importances in groups
II exercises
单元检测
I 翻译下列短语：
1.在某人的空闲时间 2.关灯 3.停止做某事
4.不同意某人 5.由…制成 6.摧毁，推翻
7. 关怀，照顾 8.过去经常做 9.喜欢做某事 10.看起来像
II 单项选择：
1.She built a house out of trash.
A.her B.herself C.hers D. by her
2.The building was being pulled .
A.up B.down. C.out of D.out
3.The bridge is made big stones.
A.in B.form C.of D.out
4.The radio is too loud. Will you please
A.turn it down B.turn it on C.turn off it D.turn down it
5.Some new buildings for the farmers in the village every year.
A.were built B.are built C.is built D.will be built
6. you your breakfast
Yes, I it at school.
A. Did; have; had B. Have; had; had C. Have had D. Did; have; have had
7.Mom,I must to go school at once. By the way, I the cat.
A..have fed B. fed C. will feed D.am feeding
8.I have watered plants but I haven’t fed the cat .
A..yet; yet B.yet; already C.already; already D.already; yet
9.I ’ll clean out the refrigerator
A..just now B.after a moment C.in a minute D.yet
10.Every day my mother has to do .
A..so many housework B.such many chores C.so much chores D.so much housework
11.Animals are our friends.We must try the endangered animals.
A..to save B.saving C.saves D.saved
12.Do you know who America
A..discovered B.found C.finds D.discovers
13.I’m against the animals.
A..kill B.to kill C.killing D.killed
14.Peter should hardly see the words on the blackboard,
A..did he B.couldn’t he C.didn’t he Dshould he
15.What is cheese made
A..in B.of C. form D. into
16.He disagreed me.
A..with B.on C. to D. in
17.Don’t forget the door when you leave the classroom.
A..lock B. locked C.to lock D. locking
III 完成句子
1.你听说过那个美丽的地方吗？ Have you the beautiful place
2.太空服是由什么制成的？ What is the spacesuit
3.我们以前住的那座老房子昨天被拆除了。
The old house we used to live in yesterday.
4.姜育恒为失聪儿童捐了许多钱。
Jiang Yuheng lots of money deaf children.
5.海牛是濒危动物，我们应当拯救它们。
Manatees are . We should save them.
IV 阅读理解
Birds live in trees .Squirrels live in trees.But do you know that some frogs live in trees,too The tree frog is hard to find.This frog can change color.On green leaves, it stays green.On a brown branch, it turns brown .Some tree frogs can change from green to gold or blue.Tree frogs have long legs and wide feet.They have sticky pads（粘的肉趾）at the end of their toes. These sticky toe pads keep the tree frogs from falling.Tree frogs have differenf colors and marking on their skins.Their eyes are different,too. Some have green eyes,some gray.Some frogs’eyes are gold ,and some are bright red.The sounds they nake in sing and summer are different,too.One frog makes a sound like a dog barking.Another frog makes a loud noise like a snore（鼾声）.
1.Tree frogs have sticky pads at the ends of their .
2.The word in the story that means different signs on an animal’s skin is .
3.The story says ,“This frog can change color. On green leaves,it stays green.”The word “it”means the frog’s .
4. The tree frog is hard to find because this kind of frog can .
5.This story leads us to believe that there are many of frogs.
visit , live, endanger , terrible , keep , urge , say, hard , difficult surprise, support
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