Using LanguageⅠppt专用说课稿内容

选修九unit4 Exploring plants

Section Ⅳ Using Language教学设计

教学目标：Learn the reading part of using language; Learn the key language points; Learn to write an article to describe the plants.

教学重点：Comprehension of the reading parts. Master the key language points.

教学难点：Write a description of plants. 教学手段：PPT& Team work Step1 Reading & Comprehension Ⅰ.阅读P38课文内容，从三个选项中选择最佳答案

1．Which kind of flowers attract bees? A．Flowers are wide enough for bees to land on. B．Flowers with white or light­colored colors. C．Flowers open at night. 2．Which group is the most important pollinators? A．Birds and bats. B．Flies，wasps and beetles. C．Bees，moths and butterflies. 3．Which is WRONG according to the passage? A．Flies like strong smell like rotting meat. B．Humming­birds like some colors that can be seen at night. C．Bats like flowers with wide mouths for long tongues. 【答案】

1.A

2.C

3.B Ⅱ.阅读P38课文内容，判断正误(T/F) 1．Bees follow colored lines to the nectar inside the flower. 2．Flowers that are white or pale can be seen by night pollinators. 3．Butterflies are attracted to sweet­smelling flowers. 【答案】

1.T

2.T

3.F Step2 Language points (

) (

) (

)

1. evolve vt.& vi.发展；进展；进化

(教材P38)Over time，many flowering plants and their animal pollinators have evolved together.长期以来许多开花的植物是和它们的传播花粉的动物一起进化的。

Why did humans evolve to walk upright?人为何进化到了直立行走的姿态？

He has evolved a new theory after many years of research.他经过多年的研究，逐渐总结出了新的理论。

①evolve from从……进化来

evolve into 进化成……

②evolution n. 进化

How will the city evolve from out of disaster to a better city？这个城市如何从灾难中摆脱出来，并发展成一个更好的城市呢？

Then，why haven't anthropoids evolved into humans?既然如此，现在的类人猿为什么没有进化成人类？

完成句子

①人是由猿进化来的。Humans

the apes. ②端午节龙舟竞赛现已发展成为国际性的体育项目。

The dragon boat has now

an international sports event. ③达尔文提出了进化论。Darwin put forth the theory of

．

【答案】

①evolved from

②evolved into

③evolution

2.attach vt.缚上；系上；附加

(教材P38)Pollen becomes attached to the animal during its visit to a flower and is then passed on to another plant's blossom on its next visit.动物接触一朵花时，花粉就附着在它的身上，动物接触下一种植物的花时就把这些花粉传到花朵上。

He'll attach the label to your luggage.他会把标签系在你的行李上。

I attach great importance to this research.我认为这项研究十分重要。

①attach oneself to sb. 依附某人

be attached to

依恋；属于；隶属于

attach to sb.与某人相关联；归于某人

become attached to 喜欢；对……有依赖

②attachment n.

附着；附属；依恋

③attached adj.

依恋的；依附的

No blame attaches to you.你一点责任也没有。

He attached himself to me at the party and I couldn't get rid of him.在聚会上他老是缠着我，我根本无法摆脱他。

He had become attached to a student called Hilary.他喜欢上了一名叫希拉里的学生。

完成句子

①申请表上请附上一张近照。

a recent photograph

your application form. ②蜘蛛网只有一根细丝吊在叶子上。

The web was only

the leaf by one thread. ③很容易喜欢上和你相处的孩子们，有时候会喜欢过头。

It's easy to

the children you work with.Too attached，sometimes. 【答案】

①Attach；to

②attached to

③become attached to 3. adapt to

适用于……；适应

(教材P38)Through evolution，most flowers have adapted to attract specific types of pollinators.通过进化，大部分花朵变得适于吸引特殊种类的花粉传播者。

I do not think I'll ever adapt to this culture.我恐怕永远也适应不了这种文化。

Yulan magnolia can adapt to a variety of soils.玉兰花能适应各种土壤。

①adapt oneself to 适应……

adapt as 改编为……的形式

adapt from由……改编

②adapt vt.&vi. (使)适应；(使)适合；改造；改装；改编；改写

③adaptable adj. 能适应的

④adaptation n.适应；改造；改编(本) I have adapted myself to new manners and customs.我已经适应了新的风俗习惯。

It was adapted from a novel by Sinclair Lewis.它是根据辛克莱·刘易斯的一部小说改写的。

完成句子

①她感到难以适应国外的生活。

She found it difficult to

the life in a foreign country. ②他不适合做这种工作。He is not

such work. ③《生生不息》已被改编为戏剧。Life After Life has been

a play. 【答案】

①adapt herself to

②adapted to

③adapted as 4. give out发出(气味、热等)；分发；用完；耗尽

(教材P38)Smell：strong，sweet perfume，typically only given out at night.气味：

浓烈的香甜味，特别只在夜晚散发出。

I'll be back as soon as I give out these forms.我发完表就回来。

Plastic will give out poisonous gas when burned.塑料燃烧时散发出有毒气体。

Our food supply at last gave out.我们的食物终于用完了。

give away 泄漏；赠送

give in

妥协；屈服

give off 散发出；冒出

give up放弃；停止

Don't give away to the public when we will start.不要向公众泄露我们出发的日期。

He will give up smoking for good and all.他再也不吸烟了。

用give短语的适当形式填空

①The teacher

textbooks to the students. ②His patience finally

. ③The supermarket is

a box of sugar to everyone who comes today. ④The government has said all along that it will never

to the terrorist threats. ⑤When they die，plants

gases such as carbon dioxide and methane(甲烷)．【答案】

①gave out

②gave out

③giving away

④give in

⑤give off Step 3 Writing—How to describe plants [写作要点] 植物描写文是对植物的形状、特点、习性等进行的理解式表达表述的文章。其形式多为文字提示或图表。此类文章陈述客观事实，谓语动词通常用一般现在时。此类文章具有以下特点：

1．科学性。介绍植物或解说事理揭示植物的本质特征，做到概念准确，判断恰当，分类清楚。

2.客观性。按照植物的本来面目如实地加以介绍、说明和解释。不带有个人愿望或主观倾向。

3.知识性。以说明为主要表达方式，用简洁的语言介绍事物或阐明事理，使人们获得关于某一事物的知识和道理。

4．解说性。目的就是在于把事物、现象或道理解释、介绍清楚，让读者明白。

写植物描写文要注意以下几点：

1．抓住中心，分清主次。首先要仔细阅读文字提示或观察图表，确定文章的中心内容。再根据内容把文章分成几个段落，每段都要拟定一个主题句。然后确定中心人称和主体时态。

2．列全要点，扩编句子。以拟定的主题句为中心，选择恰当的词和句型组织材料，编写句子，形成段落。

3．布局谋篇，连段成文。按照一定的逻辑顺序，用适当的过渡词把已经写好的段落串连成一篇完整的文章。

[课堂试写] 玫瑰是爱和美的象征，请你根据下面的要点提示写一篇短文简要介绍一些玫瑰花。

要点提示：

1.玫瑰在世界上长时间被认为是最受欢迎的花，原因是它多种多样的颜色、形状和独特的气味。

2．玫瑰是爱和美的象征；其种类、颜色甚至数量都有寓意；玫瑰花被普遍认为是爱的象征，尤其是红玫瑰。

3．玫瑰在全世界都被认为是最受欢迎的礼物；一束玫瑰甚至只是一朵玫瑰都能使一个宫殿活跃起来。

4．除了新鲜的玫瑰花，人工做的像丝绸等的玫瑰花也被广泛地用于装饰。

注意：1.不要逐句翻译，可以适当增添细节；

2．词数100左右。

本文是一篇植物描写类的短文；属于说明文的范畴，写作的关键是合理安排句式结构，对玫瑰的介绍次序，以及使用适当的关联词使句子衔接合理、叙述流畅，合理的安排文章的层次结构。

Ⅰ.词汇

1．认为

2．受欢迎的

3．各种各样的

4．意义

5．礼物

6．另外

【答案】

1.consider

2.popular

3.various

4.meaning

5.gift

6.besides Ⅱ.句式

1．玫瑰被认为是世界上最受欢迎的花。

Roses

the most popular flowers in the world. 2．玫瑰被认为是爱和美的象征。

The rose is considered to be

love and beauty. 3．玫瑰的数量有它们的象征意义。

roses has their symbolic meanings. 【答案】

1.are considered to be

2.a sign of

3.The number of 【参考范文】

Roses have been considered to be the most popular flowers in the world for the longest time.The reason for the popularity of the rose flowers may be its various colors，sizes and fragrances. The rose is considered to be a sign of love and beauty.The species，colors and even the number of roses have their symbolic meanings，so the rose is widely considered to be the flower of love，especially red roses. We all know that roses have been the most popular gifts all over the world.A bunch of roses or even a single rose can make a palace active.Besides fresh roses，there are also many artificial flowers like silk roses in different colors，which are widely used as decoration. Step 4 板书设计

Step 5 Reflection课堂反思