Unit3_The_Earth

Unit 3 the earthWarm-up: ReadingToday, there is a lot of pollution. We burn things to make energy. This pollutes the air. We put our rubbish into the sea and under the ground. This pollutes the Earth and kills animals and plants.We must stop doing these things. The Earth provides us with air, water and food. It is our home.It is important for us to protect the Earth for our future.一、复习展示1．按要求完成下面习题(在括号内填出该词的词性）中译英保护_________ ( ) 提供_________ ( ) 污染_______ ( )能量________ ( ) 问题______ ( )英译中burn ________ ( ) important ________ ( ) fact _______ ( )quiz _______ ( ) own _______2．完成句子1)她用手遮住太阳以保护她的眼睛。

She ______ her eyes ______ the Sun with her hand.2)我们应该阻止人们污染河水。

We should _____ people ______ ______ the river.3)对我们来说学好英语是重要的。

______ _______ _______ us to learn English well.4)汤姆给她准备了一顶漂亮的帽子。

Tom _______ her _______ a pretty hat.5)在互联网上我们能查到一些信息。

We can ______ _______ some information on the Internet.6)我们尽最大努力使我们的学校保持干净，整洁。

We try out best to ______ our school ____ and ______.7)我妈妈总是要求我在上学期间的晚上不要看电视。

My mother always _______ me ______ _______ watch TV on school nights.8)如今，人们利用水，风和太阳来获取能量。

Now, people use water, the wind and the Sun to _______ _______.9)你能在我的咖啡里放点糖吗？Can you _____ some surger _____ my coffee?10)人们每天都要扔掉很多垃圾。

People _______ a lot of rubbish _______ every day.3．句子翻译1)地球给我们提供空气，水和食物。

_____________________________________________________2)对我们来说，为了未来保护地球是重要的。

_____________________________________________________3)我们必须停止做这些事情。

_____________________________________________________4)我们把垃圾倒入海中或地下。

_____________________________________________________5)我们能发现不同类型的鱼。

_____________________________________________________二、知识探究1. The Earth provides us with air, water and food.provide 意为“提供”，常与介词with连用。

provide sb. with sth. 表示“为某人提供某物。

”provide sb. with sth. = provide sth. for sb.即学即练：Eg：太阳给我们提供光和热。

辨析：provide 与offerEg：他们为饥饿的孩子们提供食物。

They provide food for the hungry children.男孩们主动帮助老年人。

The boys offered to help the old.中考链接：政府应该为市民们提供优质的服务。

The government should ________ citizens ________ good services.2. Today, there is a lot of pollution.pollution是不可数名词，意为“污染”air pollution 空气污染noise pollution 噪声污染即学即练：Eg: 这里的空气有大量的污染。

___________________________________________________________________ ________________中考链接：Smoking p______ the air a lot.3.We put our rubbish into the sea and under the ground.put...into... 意为“把......倒入”即学即练：Eg: 他们把废水倒入河中。

___________________________________________________________________ ________________中考链接：请用put的相关短语填空。

1, We put _____ the tools before we leave the workshop.2. All the medical workers in the region helped to put _____ the influenza epidemic （流感）.3. Never put _____ until tomorrow what you can do today.4. We are putting the play _____ again next week owing to（由于）its success.5.It’s time that we put _____ the Christmas decorations（装饰物）in the living room.6.The fire man soon put the fire _____.4.We must stop doing these things.stop 意为“停止”辨析：stop doing sth. 与stop to do sth.即学即练：Eg: 王先生进来时，我们停止了谈话。

_____________________________________________________________________ ________________当我们在街道上碰见时，我们停下来说话。

_____________________________________________________________________ ________________中考链接：(2012年上海中考改编）Stop _______ about the traffic. Just think about what we can do to improve it.plainB. to complainC. complainingD. complained5.It is important for us to protect the Earth for our future.It is +adj+for+sb.+to do sth. 意为“对某人来说做某事是......”即学即练：Eg: 对我们来说学习英语很总要。

_____________________________________________________________________ ________________中考链接：(2008年广州中考）我们相互帮助是非常重要的。

_______ ________ very important for us _______ _______ each other.protect 动词意为“保护”protect sb./sth. from 保护某人/某事免受......伤害即学即练：Eg: 我们必须保护那片森林免受火灾。

_____________________________________________________________________ ________________6.We can ask people not to eat shark fin soup.ask sb. to do sth. “请求/要求某人做某事”否定形式：ask sb. not to do sth. “请求/要求某人不要做某事”即学即练：Eg: 李老师要求我们认真完成作业。

_____________________________________________________________________ ________________中考链接：(2012年重庆中考）Mr. Li asks the students _________ in the river, because it is to dangerous.A.swimB.to swimC. not to swimD. to not swim7.Are there any other things we can do?辨析：any 与some注意：表示委婉请求的疑问句或希望得到肯定回答的问句用some.Any 作为adj “任何的”，只用于肯定句即学即练：Eg: 你有一些英语说吗？_____________________________________________________________________ ________________你想来点喝的吗？_____________________________________________________________________ ________________任何颜色都可以。