1、能够听懂、理解并会使用protectthe environment, plastic bag, don’t litter, keep the lawn clean

and tidy, alow-carbon life, turn off the TV, be friendly等与环保相关的词组和短语。

2、复习巩固以Don't,Let's 等引导的祈使句；能够运用情态动词can,should，shouldn't等谈论自己对节能环保的想法。

3、能够了解太阳能、动能、化石能源的形成和工作原理，探究节能3R原则如何在日常生活中落实。

4、能够认识到人与自然和谐共处的美好愿望是我们保护环境的初衷，从而树立低碳生活、节能环保的意识，并尝试将其落实到实际生活中去。

课堂笔记Unit 3-lesson 9

短语：

１.World Earth Day 世界地球日

The World Earth Day is on April 22nd.世界地球日在4月22日。

２.protect the environment 保护环境

We should protect

the environment .我们应该保护环境。

３.go to work　去上班

When does your father go to work?你爸爸什么时候去上班。

４.by car/bus/subway乘坐小汽车／公共汽车／地铁

I go to school by car/bus/subway.我乘坐小汽车／公共汽车／地铁上学。

５.stop doing sth.停止做某事

The baby is sleeping,please stop talking.婴儿正在睡觉，请停止说话。

６.plastic bag 塑料袋

My mother goes shopping with a plastic bag.我妈妈拿着一个塑料袋去购物。

７.in public places 公共场合

Don't talk loudly in public places.不要在公共场合大声喧哗。

８.by the roadside 在

路边

The boy is sitting by the roadside.这个男孩正坐在路边。

９.keep sth. clean and tidy保持某物清洁和整洁。

Please keep your room clean and tidy.请保持你的房间清洁和整齐。

课后一练Unit 3-lesson 9

请尝试说一说日常生活中我们可以如何进行环保。

【课后一练答案】

1、We should stop using plastic bags. We should pick up litter, reusesomethings, plant more trees, keep off the grass, use green energy and so on.

课堂笔记Unit 3-lesson 10

语法祈使句专项讲解

１.什么是祈使句:用于表达请求，命令，劝告，警告，禁止等的句子叫做祈使句。

２

.祈使句的类型：肯定祈使句，否定祈使句

肯定祈使句：

（１）Be型祈使句：Be+表语。例句：Be careful ! 小心！

（２）Do 型祈使句：实义动词＋宾语（＋其他）例句：Ｏpen the window!打开窗户！

（３）Let型祈使句：Let+宾语＋动词原形（＋其他）

例句：Let's clean the room!让我们打扫屋子吧！

否定祈使句：

（１）Be型祈使句：Don't be+表语。例句：Don't be lazy!　不要懒惰！

（２）Do 型祈使句：Don't+实义动词＋宾语（＋其他）例句：Don't close the window!不要关窗户！

（３）Let型祈使句有两种否定形式：Let+宾语＋not+动词原形（＋其他）

例句：Let's me not read it! 不要让我读这个！

Don't let+宾语＋not+动词原形（＋其他）例句：Don't let her go there! 不要让她去那儿！

课后一练Unit 3-lesson 10

请尝试说一说你知道的低碳生活方式有哪些。

【课后一练答案】

Let’s go to school by subway. Please don’t leave thewater running when you’re brushing your teeth. We should print on both sides ofpaper. We can go to school by bus. Remember to turn off the TV when we aren’t watching.

课堂笔记Unit 3-lesson 11

课后一练Unit 3-lesson 11

请尝试说一说日常生活中我们为什么要保护动物、怎么保护？

【课后一练答案】

Animals live togetherwith us on the earth. We should be friendly to animals. They help us a lot.They bring us happiness. We should protect animals by living a low-carbon life.Many wild animals are in danger, because the environment that they are livingin has changed a lot, becoming worse and worse. What’s more, we shouldn't buythings made of fur, skin, or teeth. When the buying stops, the killing stopstoo.

课堂笔记Unit 3-lesson 12

课后一练Unit 3-lesson 12

画一画风力机，然后告诉你的父母或朋友它是如何发电的。

【课后一练答案】

When things move very fast such as thewind, they generate a lot of energy. A wind turbine has blades. The blades turnin the wind to drive a generator to make electricity.