初中英语沪教牛津版(六三制)七年级下册Unit 5 Water图文课件ppt

这是一份初中英语沪教牛津版(六三制)七年级下册Unit 5 Water图文课件ppt，共23页。PPT课件主要包含了课堂导入，课堂活动，课堂小结，课堂训练等内容，欢迎下载使用。
turn ff dry up take a bath add ... t ... part f be made up f turn… intinstead f
Play a game! (短语积累）
Let’s talk abut hw water becmes rain? Using these wrds link, “first, secnd, then, finally”
First, heat turns water int vapr (水蒸气).
Secnd, a gas (clud) rises thrugh the air.
Then, cld makes vapr change int liquid.
Finally, liquid becmes bigger and water drps fall back dwn t the Earth.
1.节约用水对我们来说是非常重要的。It is very imprtant fr us t 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。Hwever, mst f the water n Earth is sea water. We cannt drink it because there is t much salt in it. Only a little water is fresh and drinkable. S it is imprtant fr us t save water.3.众所周知, 植物和动物需要水。我们也需要水。（as we all knw）As we all knw, plants and animals need water. We need water, t.
4.俗话说，水是生命的象征。（as the saying ges）As the saying ges, water is the symbl f 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 rder t make rivers and lakes clean, we must d smething t stp all kinds f pllutin. 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 cntributin t prtecting the water, the wrld will be better and better.
What experiment is the by ding? In grups, describe the pictures.
An experiment
First, add sme salt t a glass f water.
Then, stir the water. And the salt disappears, after that, becmes part f the water.
Next, heat the water. In this prcess, a white clud appear. It is made up f the water.Yu can cntinue t heat the water.
Finally, the water starts t day up.The salt turns int crystals.
Write a shrt paragraph abut this experiment.
First, add sme salt t a glass f water. ___________________________________________________________________________________________________________________________________________________________________________________________________Finally, ___________________________. The salt turns int crystals.
First, add sme salt t a glass f water. Then, stir the water. And the salt disappears, after that, becmes part f the water. Next, heat the water. In this prcess, a white clud appear. It is made up f the water. Yu can cntinue t heat the water. Finally, the water starts t day up. The salt turns int crystals.
Hw t 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 sme salt t… Heat the water.First, … Secnd, …Then, … Finally, …
(pssible answer) Hw t make ndle supFirst, put five cups f water int a pt.Then bil the water and put 100 g f ndles int the biling water.Next, add ne egg, tw carrts and a few prawns. Then stir the ndles.In abut time minutes ,add seasning ,spring nins and a piece f ginger. Finally ,serve the ndle sup in a big bwl.
Mre writing
1. We have learned t write paragraph abut 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。
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 imprtant t sb2. mst f3. t much salt 4. a little water5. in many different ways 6. leave the tap n7. instead f
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+ fr sb + t d sth “对某人来说做某事是……的”【例】It is interesting fr him t cllect special cins. 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 imprtant fr us t save water.
Step 2 句式积累
2. remember nt t d sth “记得不要做某事”【例】Remember nt t 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 nt t leave the tap n when we dn’t use water.
3. stp ding sth “停止做某事；不做某事”【例】After his sn fell asleep, Mr Li stpped 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 shuld stp wasting water because it is s imprtant.
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。
Step 3 谋篇布局
Step 4: 小试身手
Water is very imprtant t peple. Hwever, mst f the water n Earth is sea water. We cannt drink it because there is t much salt in it. Only a little water is fresh and drinkable. S it is imprtant fr us t save water. We can save water in many different ways. Fr example, remember nt t leave the tap n when we dn’t use water. Besides, we can reuse water instead f puring it away. We shuld stp wasting water because it is s imprtant.