(共24张PPT)
Unit 5 Water
Writing
牛津深圳版七年级下册
turn off
dry up
take a bath
add ... to ...
part of
be made up of
turn… into
instead of
泡澡
变成
把。。加到
由…组成
关掉
…的一部分
而不是…
干涸
1
课堂导入
Play a game! (短语积累)
Let’s talk about how water becomes rain Using these words link, “first, second, then, finally”
First, heat turns water into vapor (水蒸气).
Second, a gas (cloud) rises through the air.
First
Second
写作方法积累
Then, cold makes vapor change into liquid.
Finally, liquid becomes bigger and water drops fall back down to the Earth.
1.节约用水对我们来说是非常重要的。
It is very important for us to save water.
2.地球上大部分的水是海水,海水里有太多的盐,不能直接饮用;只有少量淡水可供饮用。
However, most of the water on Earth is sea water. We cannot drink it because there is too much salt in it. Only a little water is fresh and drinkable. So it is important for us to save water.
3.众所周知, 植物和动物需要水。我们也需要水。(as we all know)
As we all know, plants and animals need water. We need water, too.
句式积累
翻译句子
4.俗话说,水是生命的象征。(as the saying goes)
As the saying goes, water is the symbol of life.
5.为了净化江河湖泊,我们必须做一些事情来阻止各种污染。
In order to make rivers and lakes clean, we must do something to stop all kinds of pollution.
6.如果我们为保护水做贡献,世界将变得越来越好。
If we make a contribution to protecting the water, the world will be better and better.
What experiment is the boy doing In groups, describe the pictures.
2
课堂活动
An experiment
First, add some salt to a glass of water.
Then, stir the water. And the salt disappears, after that, becomes part of the water.
Next, heat the water. In this process, a white cloud appear. It is made up of the water.
You can continue to heat the water.
Finally, the water starts to day up.
The salt turns into crystals.
Write a short paragraph about this experiment.
First, add some salt to a glass of water. ________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
Finally, ___________________________. The salt turns into crystals.
First, add some salt to a glass of water.
Then, stir the water. And the salt disappears, after that, becomes part of the water.
Next, heat the water. In this process, a white cloud appear. It is made up of the water. You can continue to heat the water.
Finally, the water starts to day up. The salt turns into crystals.
Do you know
How to write an experiment (格式)
1. 多用无主语的祈使句。
2. 常用表示时间先后顺序的序数词或时间副词。
Add some salt to… Heat the water.
First, … Second, …
Then, … Finally, …
(possible answer)
How to make noodle soup
First, put five cups of water into a pot.
Then boil the water and put 100 g of noodles into the boiling water.
Next, add one egg, two carrots and a few prawns.
Then stir the noodles.
In about time minutes ,add seasoning ,spring onions and a piece of
ginger. Finally ,serve the noodle soup in a big bowl.
More writing
3
课堂小结
1. We have learned to write paragraph about an experiment.
请根据以下表格的内容提示,写一篇80 词左右的英语短文,说
明为什么要节约用水和如何节约用水,可适当发挥。
节约用水的原因 地球上大部分的水是海水,海水里有太多的盐,不能直接饮用;只有少量淡水可供饮用。
节约用水的方法 1. 不用水时,记得不要让水龙头开着。
2. 循环用水,而不要把水倒掉。
4
课堂训练
你能想到本单元或以前学过的一些与水有关的词汇吗?把它们写下来吧!
1. 对某人是重要的
2. 大部分
3. 太多的盐
4. 少量的水
5. 在很多不同的方面
6. 让水龙头开着
7. 代替;而不是
1. be important to sb
2. most of
3. too much salt
4. a little water
5. in many different ways
6. leave the tap on
7. instead of
Step 1 单词积累
运用以下结构,可以让你的文章更出彩哦。
1. it is +形容词+ for sb + to do sth “对某人来说做某事是……的”
【例】It is interesting for him to collect special coins.
对他来说,收集特别的硬币是有趣的。
【译】对我们来说,节约用水很重要。
It’s very important for us to save water.
Step 2 句式积累
2. remember not to do sth “记得不要做某事”
【例】Remember not to swim in the lake.
记得不要在湖里游泳。
【译】当我们不用水时,记得不要让水龙头开着。
Remember not to leave the tap on when we don’t use water.
3. stop doing sth “停止做某事;不做某事”
【例】After his son fell asleep, Mr Li stopped watching TV.
儿子睡着了之后,李先生就不看电视了。
【译】因为水是如此重要,所以我们应该停止浪费水。
We should stop wasting water because it is so important.
文章内容可分成两段。
第一段说明_______________,
第二段提出_______________。
文章主要采用__________人称,___________时态。
节约用水的原因
节约用水的方法
第一
一般现在
Step 3 谋篇布局
Step 4: 小试身手
Water is very important to people. However, most of the water on Earth is sea water. We cannot drink it because there is too much salt in it. Only a little water is fresh and drinkable. So it is important for us to save water.
We can save water in many different ways. For example, remember not to leave the tap on when we don’t use water. Besides, we can reuse water instead of pouring it away. We should stop wasting water because it is so important.
谢谢
21世纪教育网(www.21cnjy.com)
中小学教育资源网站
兼职招聘:
https://www.21cnjy.com/recruitment/home/admin