Unit 3 We’re trying to save the

manatees!Revision

动词：称，称… . 重量 _______, 名词是 _______ pound 意思一 ________ 意思二 _______发现，发觉 ______ 行星 ________词语，表达方式 __________ , 单词和短语 ________________________拉 _______ 反义词 ________ 拆毁，推到 __________ 社会，社团 _______ model 意思 1______, 意思 2_______raise 意思 1______, 筹钱 意思 2_______ 举起你的手 注意 raise 是及物动词。

weigh weight磅（重量单位） 英镑（货币单位）

discover planetexpression

words and expressionspull pushpull down

society模型 模特

筹集举起

raise money

raise your hand

。

1.-----How much do you ______( 重）？ -----Oh, it’s a secret.2.Who _______ ( 发现 ) America?3.How many _______( 行星 ) can you name?4.Amy makes some ________( 模型 ) toys to r______ money for the Children’s Hospital.5.These old buildings are being p______ down.6.There are some useful words and e___________ in the book.7.They are a danger to _______( 社会 )8.A _____( 磅） is much smaller than a kilo.

discoveredplanets

model

aiseulled

xpressionssociety

weigh

pound

。

10 feet long

about 1,000 pounds

eat about 100 pounds of food a day

There used to be a lot of manatees.

In 1972, it ___________ (discover) that they were endangered.

was discovered

------How big are manatees?

------They are about 10 feet long and they weigh about 1000 pounds.

Manatees eat about 100 pounds of food a day.

Some of the swamps have become polluted.

We are trying to save the manatees.

。

种类 意义 特点

现在进行时 现在正在发生或近来一直进行的动作以及存在的状态。

多与“ look, listen, now, at this moment, these days” 等时间状语连用。

一般现在时 经常或习惯性动作或事物存在的状态；主语具备的性格和能力等。

多与“ always, often, usually, sometimes, every day/week/year/,once a month” 等时间状语连用。

。

现在完成时

过去做的事情对现在的影响或结果；过去的动作一直持续到现在。

just, already, yet, ever, never, before; since+ 时间点从句； for+时间段 ,ever since, ever since then, so far, in /during the last/past few years/weeks/months

一般过去时

过去某时间的动作或状态。

多与“ yesterday, the day before yesterday, last week/month/year, two days ago, in 1972,just now” 等时间状语连用。

。

1.What ____-- to her yesterday evening ?A. was happened B. happened C. happening D. happen2.-------_____you _____ the text yet ? -------Yes, we _____ it two hours ago.A. Did…copy…did B. Have… copied…haveC. Have… copied… did D. Did …copy…had3.------Mary, could you help me? ------Wait a moment. I __________A read a book B did my homework C was watching TV D I am cooking dinner4.------How clean and tidy your classroom is! -------Thank you . It ______ every day.A is cleaned B was cleaned C was cleaning D is cleaning5.-----That’s a nice bike. How long ___ you ____ it? ----- Just two weeks.A will buy B did buy C are having D have had

B

c

D

A

D

P19 3a, 3b 知识点 巩固提高：翻译下列词组句子。

1. 反对干某事 be against doing sth.

Our parents are against watching TV at night.

我们家长反对晚上看电视。

2. 对某人来说干某事是合适的 be suitable for sb. to do sth.这本书对孩子们来说是合适阅读的。This book is suitable for children to read.

3 。吃惊的干某事 be surprised to do sth.我惊讶的发现那里几乎没有人。I was surprised to find hardly anyone there.

4. 为某人提供某物offer sb. sth.=offer sth. to sb.=provide sb. with sth=provide sth for sb.

动物园为许多濒危动物提供家园。Zoos provide homes for many endangered animals.

5. 强烈主张某人干某事 urge sb. to do sth.

老师强烈要求我们好好学习The teachers urge us to study well.

Zoos are bad for animals

Zoos are good for animals

I think… I believe that…

I feel that…

I agree with you. I disagree with you.

Firstly zoos are places for people to see many different kinds of animals from all over the world. Secondly, zoos look after the animals very well. Thirdly, zoos protect the animals and keep them from becoming endangered.

Pros:

Cons: Most animals are kept in small cages. Most cages are not clean, either. The food in the zoos is not natural. In the forest they can find the food by themselves.

Summary

Sum up: When these animals in the zoo grow up,we can teach them the necessary skills to live in the wild on their own.When they have learned as much as possible,we can set them free into the forests to live a normal life. I think it must be good for the animals.

。

You have probably never heard of Amy Winterbourne, but she is a most unusual woman. She lives in a house that she 1______(build) herself out of trash. Well, the stuff used to be called trash, but now it’s called “recycled” material. The windows and doors 2_______(come) from old buildings around the town that were being pulled down. The walls 3______ (make) from old glass bottles that are glued together. The roof is made from 4________(discard) tiles. And the fence5.______ (build) out of used soda cans. Amy recently won an award from the Help Save Our Planet Society. The president Jackson Smith said, “Amy is an inspiration to us all.” And what does Amy do in her spare time? She 6_______(make) model toys out of old TVs and sells them 7_______(raise) money for the Children’s Hospital. 划横线的句子需要记忆掌握。

built

came

are madediscarded

is built

makesto raise

stop riding in carsrecycle paper

turn off the light

It’s hard to stop riding in cars.Recycling paper is really easy.

To recycle paper is really easy.

It’s really easy to recycle paper.

stop doing sth./ stop to do sth.

turn on/ turn off/ turn up / turn down

。

1.-----Is it _____ girl we saw last night? -----Yes. She is my classmate and she is _____ unusual girl.A a, the B the , an C a ,an D the ,a 2.The bridge is made ____ stone.A from B with C of D into3. At last, Lucy make the baby ____ and the baby began to laugh.A. stop crying B. to stop crying C. stop to say D. to stop to cry4.Remember _______ the lights when you leave the classroom. Don’t waste electricity.A to turn off B to turn on C turning off D turning on5.I don’t know Nancy, but I ______ the girl.

A heard B heard from C heard of

B

C

A

A

c

Homework:

GroupA:Our planet needs our help .What can we do to save the planet? Write one composition.

GroupB:Write and remember the important words ,phrases and sentences.