plant,plants,,或,plant,flowers英语作文

时间:2021-10-29 17:20:50 初三作文

第一篇:《冀教版八下第二单元英语作文---plant》

Why Are the Plant Important

It is known to all that plants are of great importance to our lives .Human beings can't live without plants .First, most of them can absorb CO2 from the air and turn it into O2.It makes our air clean and environment better .Second ,plants can bring happiness to us .Take flowers for example ,they not only make us feel relaxed but give us a sense of beauty .Third , they offer us food and provide us with the resources that we need .In conclusion, plants are our friends ,they are good to humans, all of us should take care of them.

My favourite plant

My favourite plant is rose. Firstly, it's beautiful. It has many colours: red, blue, yellow..and it smells good. Secondly, it makes me learn something important, it has spine(刺),but its flower is still beautiful, that means the bad thing also has its beauty. Besides, rose is the symbol of love.

So I like rose very much!

第二篇:《Plant systems》

Plant systems

教学目标:

1.知道一株完整植物的各组成部分及其名称。

2. 能够通过调查,知道植物对人类的贡献。

3.意识到植物对人类的贡献,愿意为保护花草树木尽自己的力量。

教学重点和难点:

重点:认识flower leaf stem roots seeds fruit plant system等单词。

难点:识别我们食用的是植物的哪些部分。

课时:1课时

教学过程:

1.Let us examine a plant.

2.Do you know what each part lf the plant is used for?

can you say which parts are more important than the others?

学生分组讨论植物的各部功能,你认为哪个部分更重要,说说为什么?

3.The various parts of a plant carry out different jobs or functions.

They work together to form a system..

A plant system is made up of different parts of a plant working together, each doing its own job.

4.拓展练习:认识植物的结构

Leaves

教学目标

1.通过学习知道叶子的构造,功能及作用.

2.了解光合作用的过程.

3.植物对我们人类的贡献,教育学生爱护花草树木.

教学重点{plant,plants,,或,plant,flowers英语作文}.

重点:叶子的构造.

难点:光合作用.

课时:二课时

教学过程:

1.叶子在植物的作用.

Where do plants get their food from?

For many years,people had thought that plants got their food from the soil.Now we know that most plants make their own food.

Most of the food is made by the leaves of most green plants in a process called photosynthesis:

+

The leaves use the energy from sunlight, carbon dioxide from the air and water to plant food.

Carbon dioxide + water sugar(food) + oxygen + sunlight

让学生了解光合作用的产生。

The leaf is like a food factory , which uses sunlight , carbon dioxide and water to make food . Oxygen is given out during photosynthesis.

光合作用产生的养料供给植物生长,同时释放氧气。

Do you mean to say that plants can make food simply by standing in the sun?

Yes,but they need water and carbon dioxide as well.

知道在叶子光合作用的时候,需要二氧化碳参与制造养料。

3.了解叶子的构造及形态.

构造

Leaves of different plants have different shapes and sizes, but are usually green.

On the surfaces of each leaf, especially the underside ,are tiny openings that allow air to enter or leave.

There are tiny tubes called veins running through each leaf. These veins take food made by

the leaves to the stem . Water and minerals also go to the leaf through these veins.

形态

对生 互生 轮生

观察校园里植物的叶子哪些是互生、对生、轮生,把它们记录下来?

学生到校园里寻找并记录。

4.拓展练习

Do you know where the water and minerals come from?

此环节的设计为下节课作好铺垫。

5.练习题

Why can`t you make your own food by standing in the sun?

Roots

教学目标

1.知道根的作用和功能.

2.知道根多样性,种类.

3.了解植物的奥秘,探索自然世界.

4.通过学习了解植物对我们人类的贡献,教育学生保护植物,爱护大自然

教学重点和难点

重点:根的功能

难点:根的种类

课时:一课时

教学过程

1.故事导入

“The Enormous Turnip before? ”Why was it so difficult to pull the turnip out of the soil in the story?

2.根的作用

固定植株的作用

Look at a big tree such as the angsana or yellow flame.What keeps the tree firmly on the ground even when rain beats on it and strong winds blow on it ?{plant,plants,,或,plant,flowers英语作文}.

Can you see the roots of this tree?The roots of a plant keep it firmly fixed in the ground or in posttion.The{plant,plants,,或,plant,flowers英语作文}.

roots anchor the plant to the ground.

吸收土壤中的矿物质和水分的作用

Plants need water to make food during photosynthesis. They also need certain minerals for growth.Where do plants get their water and minerals from?

They get it from the soil.

The roots of a plant take in or absorb water and minerals from the soil and pass them to the rest of the plant. When we want a pant to grow well, we will add water and fertilisers to the soil in which the plant grows.

3.根的种类

直根 须根

4.拓展活动:了解水栽法

Most plants are grown in soil.

However ,in hydroponics,the roots lf plants are immersed in water which contains minerals.

.

第三篇:《广州版英语五年级上册 Module 3 Plant 综合复习》

M3 Plants

一. 学科特色:

单元语法:现在进行时

【知识考点】现在进行时 一、现在进行时的含义与构成

1.含义:表示现在正在进行或一段时间正在进行的 2.动作标志词:now, look, listen,It’s….

3.构成:be +V-ing 如: He is reading a book. 4.V-ing 变化规则:

①一般加 ing . 如: play----playing watch----watching ②以不发音的e 结尾,去e 加ing. 如: take----taking come---coming ③ 重读闭音节结尾的单词(辅+元+辅),双写末字母+ing.如:run----running 练习

1.写出下列动词的ing 形式.

1.help_________ 2.come_________ 3.swim_________ 4.eat__________ 5.give________ 6.find_______ 7.sit ________ 8.write________

二、现在进行时的句式

1.肯定句: 主语+be +v-ing+其它. 如: I am reading a book.

2.否定句:直接在be后加not. 主语+be +not+ v-ing+其它.如: I am not writing. 3.一般疑问句及回答: be +主语+动词ing ?

问句, 直接把be提前,肯定回答:Yes,主语 +be ; 否定回答: No,主语+be+not。 如:-----Are you drawing ?

-----Yes,I am./No, I’m not. 汉译英

1.我们正在看电视.{plant,plants,,或,plant,flowers英语作文}.

____________________________________ 2.他们正在打扫教室.

______________________________________

3.汤姆正在吃早饭.

________________________________________ 4.他正在睡觉.

________________________________________

二. 作业讲评

1、作业讲评 2、Warming Up 1)单选

1. Mrs. Read ________ the windows every day. A. is cleaning B. clean C. cleans

2. Tom is a worker. He ________ in a factory. His sisters _________ in a hospital. A. work/work B. works/work C. work/works 3. Don’t talk here. Grandparents_________.

A. is sleeping B. are sleeping C. sleeping D. sleep 2)填空

1. Tom ______________ (go) to school every day.

2. My father always ______________ (come) back from work very late.

3. Listen! Joan _______________ (sing) in the classroom. She often ______________ (sing) there.

4. ________________ your brother _______________ (know) Japanese? 5. Where _____________ you ___________ (have) lunch every day? 6. Look! Mary is ______________ (run) to her mother.

3)单词听写

三. 内容呈现:

1. 教学重点:学生能掌握本模块的相关单词和短语。

2. 教学难点:区分现在进行时与 一般现在时 的 用法

3. 教学内容:

(1) 课内知识:

【知识考点一】 Can

的用法

(情态动词无人称和数的变化;不能单独使用,必须与其后的动词原形构成谓语 ) 1、 表示能力(体力、知识、技能)。

Can you lift this heavy box?(体力) Mary can speak three languages.(知识) Can you skate?(技能)

2、 表示请求和允许。

-----Can I go now?

----- Yes, you can. / No, you can’t.

3、 表示客观可能性(客观原因形成的能力)。

This hall can hold 500 people at least.

4、表示推测(惊讶、怀疑、不相信的态度),用于疑问句、否定句和感叹句中。 Can this be true?

This can’t be done by him. How can this be true?

【知识考点二】 let’s运用 ( let’s +动词原形 )

例如: Let’s to the flower show . 动词go在let’s后要用原形。

【知识考点三】help的用法:

(1)help+ V动词原形 (2) help+ with+ N名词

【知识考点四】关于形容词:am/are/is + 形容词(中文有个“的”就是形容词) 肯定句: I ready. 否定句: I ready.

【知识考点五】will / be going to 后面跟动词原形 “将要,会” You will go to school next week.

=I am going to school next week. ( be going to +地方 表示将要去哪里){plant,plants,,或,plant,flowers英语作文}.

I am going to swim tomorrow. I will go to swim tomorrow.

You will = You’ll 你将

* must、may、can后面跟动词原形。 I must get home now. I can swim.

May I call you this evening?{plant,plants,,或,plant,flowers英语作文}.

(2) 初考题/中考题/高考题链接: 一、按要求写出下列单词的适当形式。(10分)

1. one(序数词) ________ 2. you will(缩写形式) __________ 3. go (三 单) ________

4. sheep (复数) _________

5. Feb. (完整形式) _________ 6. write (现在分词)__________ 7. child (复数) ________ 8. picture (同义词) _________ 9. for (同音词)_________ 10. close (反义词) __________

二、找出不同类的词,把它的字母编号写在相应的括号内。(10分) ( )1. A. Mary ( ) 2. A. forty ( ) 3. A. leg ( ) 4. A bun ( ) 5. A. listen

B. June B.third B.foot B. chips B. give B. turtle

C. April C. twelfth C. robot C. coke

D. March D. eighth D. hand D. toast D. eat D. monkey D. weekend D. winter D. count D. Sunflower

C. cartoon C. frog C. Friday

( ) 6. A. animals ( ) 7. A. Sunday ( ) 8. A. term

B. Monday B. summer B. never B. lily

C. autumn C. often C. tulip

( ) 9. A. seldom ( ) 10. A. banyan 三、选择正确答语。(10分)

A. When do you eat your breakfast? ( )May is playing with them. ( )My birthday is in May. ( )Because I can fly kites. ( )It’s Nov.4th ( )I eat breakfast at 7:00 ( )Yes, please.

B. Which season do you like best? C. When is your birthday?

D. Why do you like spring? E. What’s the date today?

F. Can I take some water here?

G. Does Tom usually read books? ( )No,they aren’t. H. Are they skating?

( )Yes,they do. ( )Yes, he does. ( )I like summer best.

I. Do the children plant trees in spring? J. Who’s playing with the pupils?