1、Only One MotherGEORGE COOPER Hundreds of stars in the pretty sky, Hundreds of shells on the shore together, Hundreds of birds that go singing by, Hundreds of lambs in the sunny weather.Hundreds of dewdrops to greet the dawn, Hundreds of bees in the purple clover, Hundreds of butterflies on the lawn,
2、 But only one mother the wide world over.shell el n.（贝、卵、坚果等的）壳； 外壳 shore :(r) n. 海岸；海滨 lamb lm n. 羔羊，小羊 dewdrop dju:drp n. 露珠，露滴 dawn d:n n. 黎明，拂晓 clover klv(r) n. 三叶草 lawn l:n n. 草地，草坪,Unit 3 The Earth,(1)What are the blue parts?(2)What are the green and brown parts?(3)What are the white parts?,cl
3、ouds land sea,sea,land,clouds,stars the Earth the Moon the Sun,the Sun,the Moon,the Earth,stars,What things are there on Earth?,air,rivers,pollution,sea,field,animals,Earth,water,forests,plants,people,mountains,Poster,What is the poster about?,Protect The Earth,4.Find sentences beginning with there
4、is/are,1.Today, there is a lot of pollution.,2.There are slso many people like you and me on Earth.,4.Find sentences beginning with there is/are,3.There are many different plants.There are different animals on Earth , too.,4. There are forests and rivers , mountains and field.,There is/ are 句型： 表示“某
5、地(或某时)存在有某人(或某物)There is a glass of water and three apples on the table. There are three apples and a glass of water on the table.There be句型中 is/ are的选择遵循就近一致原则，即和最近的名词单复数保持一致。,5.Answer the questions. (1)What is the weather like in different places on Earth?,Some places are very hot, and some are ve
6、ry cold.,(2)Where do animals live on Earth?(3)What does the Earth provide us with?,Some live on the land. Some fly in the sky. Some live under the water.,The Earth provides us with air, water and food.,Some places are very hot, and some are very cold. There are many different plants. Some are large.
7、 Some are small.some ., some . Some students are singing and some are dancing. Some flowers are red and some are pink.,The Earth provides us with air, water and food. provide sb with sth “为某人提供某物”The sun provides us with energy. 太阳为我们提供能量。 What provides the trees with water? 什么为树木提供水分？,We must stop
8、doing these things.,stop doing sth 停止做某事 stop to do sth 停下来（正在做的）去做 (stop (doing sth) to do sth )Stop _, the boy is sleeping.A. making noise B. to make noiseIm so tired, lets stop_.A. to have a rest B. having a rest,It is important for us to protect the Earth for our future.,It is +adj. for sb to do
9、 sth 这个结构中形容词多是修饰to do sth, 表示【做某件事的特点】。Its useful for us to learn English . 可以转换为To learn a foreign language is useful.,It is +adj of sb to sth 此结构中形容词多是修饰sb, 表明【人所具有的品质、特点】。Its kind of you to say so. 可以转换为：You are kind to say so.,It is kind _ you to give me a hand.It is necessary _ you to take exe
10、rcise every day.It is honest _ you to confess your mistake.It is difficult _ me to learn a second language.,We burn things to make energy.,seton fire,a form of power,Today there is a lot of pollution. This pollutes the air.,2.Complete the conversations with the words and phrase from the box.(1)Tom:
11、The water from the factory is dirty.Bob: Yes, we must not let it _ the river. We must do something to _ the river.Tom: Yes, its _ for us to do something about this.,Burn pollute providewith important protect,pollute,protect,important,2.Complete the conversations with the words and phrase from the bo
12、x.(2)Jack : Forests are very important. Do you know why?Joe : Of course. They _ us _ a lot of things. For example, wood and fruit.Jack: youre right. Many people still _ wood to make energy.,Burn pollute providewith important protect,provide,with,burn,Sea facts,Listen to a quiz about the sea. Then ci
13、rcle the correct pictures.,Listening,Top Tips:,When you listen for facts, you need to catch the important words. Names, times, and numbers are usually important. They can help you find the correct answers to the questions.,四分之一，一刻钟,milk, egg, rice, water, apple, shoes, people, chicken food, Japanese
14、, chocolate, pollution, paper, clothes， forest, river, flower, air,可数名词,不可数名词,egg, apple, Japanese, forest, river, flower,milk, rice, water, shoes, people, chicken, food, chocolate, pollution, paper, clothes, air,可数名词： 是表示能够计算数量的人或物的名称， 他们通常有单数和复数形式。单数通常用a, an或者是one来表示。 an用在元音因素的前面。 如：a desk, an app
15、le, one boy.,复数形式的规则如下：1. 一般的名词词尾直接加-s 。如：book books room rooms2. 以s, ch, sh, x 结尾的名词，在词尾加-es 。如： bus buses box boxes watch watches dish dishes 3. 以“辅音字母+y“结尾的名词，要先将y改为i再加-es。如： city cities body bodies factory factories 4. 以f 或fe 结尾的名词，要将f或fe改为v再加-es。如： half halves leaf leaves knife knives wife wive
16、s,5. 特例 特例常常考，要记住。 child children man men woman women policeman policemen(规律：man men) tomato tomatoes potato potatoes foot feet tooth teeth 规律： oo变成ee sheep, Chinese, Japanese单、复数同形 变复数时词形不变,不可数名词：主要是以不能计数的物质名词与抽象名词为主。 它们通常没有复数形式，也不能与a ,an 连用, 作主语时，动词要用单数形式。例：The food is very fresh.,不可数名词主要分类如下：1、表示
17、液体：water, juice, milk, lemonade, coffee, coke, ink 2、表示自然现象：snow, rain, ice 3、表示食品: rice, jam, honey, meat, bread, mutton, beef, tofu, eggplant, pork, chicken, fish, food 4、其它类：newspaper, news, homework, housework,不可数名词表示数量 通常用“单位词+of“来表示数量, 表示复数的数量关系时，则把量词变化，不可数名词不变（常考）。如： a piece of paper, a glass
18、 of water, three bottles of juice等。,特殊情况要注意： 1. 有的不可数名词也可以作可数名词，有复数形式，但他们的意义往往发生变化。 如：water (水) waters (水域) orange (橘汁) oranges (橘子)2. 很多的不可数名词表示泛指时为不可数，表示种类时就可数，但意义大多不发生变化。 如：fruit fruits（各种水果） food foods（各种食物）,3. 有些集合名词它们以单数形式出现，表示复数概念，如people，police，family等； I have a big family. All my family are friendly.而有些可数名词本身就以复数形式出现，如clothes，shoes, shaorts, glasses(眼镜)等。,4. 可数名词和不可数名词前都可以用some, any, a lot of, lots of 等来修饰，表示“一些，许多“。如： There are some oranges on the desk. There is a lot of water in the bottle. many, few, a few + 可数名词 much, little, a little + 不可数名词,
