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Unit 17 Nature

時間:2023-02-27 05:38:26 高一英語教案 我要投稿

Unit 17 Nature

教學(xué)目標(biāo)

知識目標(biāo):
  通過本單元的教學(xué),使學(xué)生了解并初步掌握現(xiàn)在進行時被動語態(tài)的用法。復(fù)習(xí)本單元出的表示打算和目的的用語。學(xué)習(xí)課文能應(yīng)用所學(xué)語言描述麋鹿的今昔對比,使學(xué)生了解保護野生動物的意義。
教學(xué)重點與難點
  1.重點詞匯 increase; disappear; alive; research; protect; put on performances; at present; one after another
  2.重要句型 1) How long will it take you to complete the trip? 2) We want to give some money to this project so that the number of these deer in China can be increased. 3) It is hoped that one day they will have enough animals to set them free and let them live in the wild again.
  3.語法 理解并初步掌握現(xiàn)在進行時被動語態(tài)的用法:1) The life of the milu is being studied at present. 2) More milu deer are being moved to a new large nature park in Shishou in Hubei Province.
  4.日常交際用語 打算和目的 (Intentions and purposes) : 1) Why are you making this journey? 2) We are trying to collect the money for a wildlife project. 3) We want to . . . so that . . . 4) What is the purpose of your new project? 5) That sounds a good idea. 6) Good luck with your trip!
能力目標(biāo):
  1. 掌握有關(guān)的的旅行目標(biāo)用語:如旅行的目的地、出發(fā)地、及旅行的目的、方式等。
  2. 運用關(guān)鍵詞匯復(fù)述課文。
  3. 如何運用現(xiàn)在進行時的被動語態(tài)。
德育目標(biāo)
  讓學(xué)生了解麋鹿這種動物的歷史、生態(tài)環(huán)境及在我國的現(xiàn)狀、激發(fā)學(xué)生對學(xué)習(xí)有關(guān)野生動、植物的興趣,教育學(xué)生保護野生動、植物及生態(tài)平衡的知識。

 

教學(xué)建議

課文分析

結(jié)構(gòu):可分為四段:

Part 1 ( Paragraph I ) The number of milu deer in nature parks in China is increasing every year.

Part 2 (Paragraphs 2-3) The history of milu deer in China and in England

   (Paragraph 2) The milu deer disappeared during the Ming and the Qing periods.

   (Paragraph 3) The only milu deer alive belonged to the Duke of Bedford in England.

Part 3 (Paragraphs 4-5) The milu deer centers in China

   (Paragraph 4) The life of milu is being studied in the Naniaizi Milu Park.

   (Paragraph 5) The number of milu deer has greatly increased in Dafeng.

Part 4 ( Paragraph 6) It's hoped that there will be milu deer living in the wild in China.

語言點:本課文有兩個要點,值得注意:

  1.It’s hoped….that (人們希望)是個常用句型,其中的it是形式主語,that引導(dǎo)的是個主語從句。類似的有It is said /reported/believed/ that…..等

  2.There are so many deer that some are being sent to nature reserves by environmentalists who would like to return them to the wild.其實,現(xiàn)在這種麋鹿已經(jīng)相當(dāng)多了,有一些正在被送往那些愿意把麋鹿送回野外去的地方。

  1)該句是一個較為復(fù)雜的復(fù)合句,主句為…there are so many deer, that引導(dǎo)的是結(jié)果狀語從句。

  在這個so……that結(jié)構(gòu)中,中心詞是名詞deer,本應(yīng)該用such…that結(jié)構(gòu),但因名詞前有many修飾而用了so……that結(jié)構(gòu),此特殊用法需注意。

  are being sent是現(xiàn)在進行時的被動語態(tài)形式,表示“正在被送往”。

對話建議

1.建議在未講課前,教師為了導(dǎo)入新課,可對學(xué)生進行以下的提問:

  T: Is there anyone collect money? S: Yes.

  T: What did you do? Did you collect money for Hope Project or other things?等等。

2.在講本文對話時,教師給學(xué)生放課文錄音,然后問學(xué)生們What’s the dialogue mainly about? 。

3.建議教師讓學(xué)生們扮演角色,通過互相表演的形式,促進學(xué)生的興趣,及練習(xí)表達(dá)能力。

4.教師總結(jié)本課的語言點知識。

課文建議

1.建議教師把有關(guān)本課文有關(guān)the milu deer的背景知識介紹給學(xué)生,使學(xué)生先有一些了解和認(rèn)識。

2.在未講課之前,讓學(xué)生大聲的對這篇課文進行朗讀,教師可把課文的一些問題寫在黑板上,達(dá)到一邊朗讀一邊思考問題。

3.教師結(jié)合課文的內(nèi)容,可有圖表或者數(shù)據(jù)形式,對the milu deer 用過去,現(xiàn)在及將來三種形式分析給學(xué)生,這樣加深對課文的理解和生動。

4.教師最后總結(jié)課文的知識點,了解學(xué)生的掌握情況。

語法建議

1.建議教師把在講現(xiàn)在進行時的被動語態(tài)前,先復(fù)習(xí)現(xiàn)在進行時。

2.教師可采取逐步誘導(dǎo)的形式,從定義,構(gòu)成,及應(yīng)注意的用法,用圖片或投影儀形式,教給學(xué)生。

2.建議教師列舉例題及練習(xí)試題,讓學(xué)生一邊做一邊練,達(dá)到掌握熟練的結(jié)果。

詞匯辨析

common, general, ordinary和usual

可作“普通的”“平常的”但有所差異。

common側(cè)重“普通”,表示“時時發(fā)生,人所共有”,并含有“并不高貴,地位低下”之意味,其反義詞為rare。

general側(cè)重“普遍”之意,表示在大多數(shù)我或事物中流行并受到關(guān)注,不含有“地位低下”之意,其反義詞為specific。

ordinary與common基本同義,側(cè)重“平凡的,普通的”,表示“隨時可以碰到,不值得驚奇”,其反義詞是superior。

usual用來指事物,意為“通常的,慣常的”,含有“隨集體風(fēng)俗或個人習(xí)慣而常常發(fā)生”之意,其反義詞為unusual。舉例如下:

a common saying(俗話),a common wish(一個共同的愿望)。

the general opinion一般輿論

an ordinary(or a common)event(一件極平常的事),an ordinary(or a common)person(一個普通人)。

It’s a usual thing with him. (這對他來說是平常事)。

The number of 和A number of

A number of意為“許多、”“一些”,后接復(fù)數(shù)的可數(shù)名詞。有a large/ great/small number of等詞組。a number of + n. (復(fù))作主語時,謂語動詞要用復(fù)數(shù)。這兩個詞組后都接可數(shù)名詞復(fù)數(shù),但a number of的中心是后面的復(fù)數(shù)名詞,作主語時,謂語用復(fù)數(shù)形式。

the number of意為“……的數(shù)目”,它的中心是the number,后也接復(fù)數(shù)的可數(shù)名詞,作主語時,謂語動詞要用單數(shù)。舉例如下:

①I can think of a number of ways to carry out this plan. 我可以想出不止一個辦法來實現(xiàn)這個方案。

②A large number of people were present at the meeting. 有許多人出席了會議。

③A number of students are staying outside the office. 許多學(xué)生站在辦公室的外面。

①The number of the students standing outside is about twenty. 站在外面的學(xué)生數(shù)量大約是加入。

②The number of the books in our library is about 45,000.我們圖書館藏書量大約為4萬5千冊。

year by year 與year after year

year by year即“逐年,每一年”,強調(diào)“年年在變”,

The boy grows taller year by year這個孩子長得一年比一年高。

year after year意含時間的重復(fù)性,即“每年固定發(fā)生,年年如此”。

He went to Beijing on business year after year.他每年到北京當(dāng)差。

例The number of computers is increasing _____, which has brought the price down.

A. year by year  B. year after year  C. years after years  D. years by years

解析:句意為:電腦數(shù)量逐年增長,使得價格下降。本題考查year by year 與year after year的區(qū)別。year by year 意為“年年在變”;year after year意為“年年如此”。由句意可知答案為A。

research與search

相同點:兩詞均有研究、探索之意。

research指審慎的或精密的探究,有科學(xué)的研究或批判的研究之意。一般批學(xué)問、宗教、物理、心理、天文等方面調(diào)查或研究,常用復(fù)數(shù)。

search則有搜索、探索之意、側(cè)重對某事持續(xù)的調(diào)查或研究,用于搜索或?qū)ふ沂Ц`物品或探究知識、真理、自由、珍禽、奇術(shù)等方面。舉例如下:

They are researching on the effects of cigarette smoking. 他們正在研究吸煙的后果。

He went all over the world to search after truth. 為追求真理他行遍全球。

travel, journey, trip, tour, voyage

相同點:這五個詞都作“旅行”解。

Travel:可作動詞或名詞,指遠(yuǎn)距離長期的旅行,沒有具體的目的和方向性。常用來表示“旅行”這一概念。名詞的復(fù)數(shù)形式travels表示旅行經(jīng)歷。

journey:使用范圍很廣,但常指距離較遠(yuǎn)的陸路旅行,而且有預(yù)定的地點,帶有明確的方向性。

Trip:常指距離短且直接到達(dá)目的地的旅行。在口語中trip與journey常常通用。

Tour:含有“觀光”的意思,距離可長可短?勺鲃釉~或名詞。

Voyage:指“航行,航!敝杆坊蚝娇章眯小Ee例如下:

He has travelled all over Africa many times in his life. 他一生中多次到非洲旅行。

Marco Polo wrote a book about his travels in China,which is called The Travels of Marco Polo.

馬可波羅把他在中國的旅行寫成了一本書,書名叫《馬可波羅游記》。

Mr. Black is on his journey to Shanghai.布萊克先生正在去上海的旅途中。

We are planning to make a trip to the Great. Wall.我們正計劃去長城游覽。

I'm going on a shopping tour. Would you like to go with me? 我想去逛商店,你想不想跟我一起去?

They're making a voyage to Africa. 他們正在作一次去非洲的航海旅行。

難句分析

In fact, there are so many deer that some are being sent to nature reserves by environmentalists who would like to return them to the wild.其實,現(xiàn)在這種麋鹿已經(jīng)相當(dāng)多了,有一些正在被送往那些愿意把麋鹿送回野外去的地方。

1)該句是一個較為復(fù)雜的復(fù)合句,主句為…there are so many deer, that引導(dǎo)的是結(jié)果狀語從句。

在這個so……that結(jié)構(gòu)中,中心詞是名詞deer,本應(yīng)該用such…that結(jié)構(gòu),但因名詞前有many修飾而用了so……that結(jié)構(gòu),此特殊用法需注意。

2)are being sent是現(xiàn)在進行時的被動語態(tài)形式,表示“正在被送往”,其中的being容易被誤省。又如本課中的其他兩句:

More milu deer are being moved to a new large nature park in Shishou in Hubei Province.

現(xiàn)在進行時的被動語態(tài)

定義:

現(xiàn)在進行時的被動語態(tài)表示此時此刻某事正在被做。例如:

  The sports meeting is being held in our school. 我校正在舉行運動會。

  Another bridge is being built over the Changjiang River. 長江上正在修建另一座大橋。

構(gòu)成:be + being+過去分詞。例如:

  A number of Dongfeng trucks are being shipped abroad.一批東風(fēng)卡車正被運往國外。

用法:

  1)“be being done” 中的動詞be應(yīng)隨主語(sing. / pl.)作相應(yīng)的變化。

  2)將現(xiàn)在進行時的主動語態(tài)變?yōu)楝F(xiàn)在進行時的被動語態(tài)的關(guān)鍵是:把be doing變?yōu)閎e being done.

 、賂he students are cleaning the classroom now.→The classroom is being cleaned now.

  現(xiàn)在學(xué)生們正在打掃教室。 (are cleaning變?yōu)閕s being cleaned)

 、赥he boy is counting some eggs.→Some eggs are being counted.

  那男孩正在數(shù)蛋。 (is counting 變?yōu)?are being counted)

例題:

—Have you moved into the new house? —Not yet, the rooms ______.

  A. are being painted    B. are painting

  C. are painted         D. are being painting

  【解析】該題house作主語與備選項提供的動詞paint之間存在著被動關(guān)系。用現(xiàn)在進行時的被動語態(tài),說明還沒搬進新居的原因是“房子正在被粉刷”。故答案為A項。

練習(xí):

1.Look! The roads ____now.

  A.      are widening  B. are widened

  C. are being widened D. is to widen

2.A science lab ____in our school now.

  A.is being built  B. has built

  C. is building   D. will be built

答案:1.C 2.A

 

教學(xué)設(shè)計方案Lesson 65

Teaching Aims

  1. Know how to talk about a trip.

  2. Study the language points concerned with the dialogue.

Step I Warm--up

 (Teacher) Today we are going to hear about a long journey. Then ask the questions to the Ss:

  1.Do you like traveling with your friends by bike?

  2.What are the advantages(good points) of traveling by bike>

  3.Usually what is the purpose of traveling?

Step II Reading

  Ask the students to read the dialogue carefully to find out as much as they can about the journey. Ask questions like this:

  1 What is the purpose of the project?

  2 How are they going to collect money?

  3 Where are they going to travel?

Step III Dialogue

  Listen to the tape and repeat. Practise the dialogue in pairs.

Step Ⅳ Language focus

  Ask the students to underline all the questions that the reporter asks. Get the students to practise saying these sentences. Tell them they are important.

Step V Practise

  Read the dialogue aloud. Try to act it out.

Step VI Workbook

  Do Ex. 1 and Ex.2.

Step VII Exercise

  Put the following into English to complete the sentences.

  1. _____________(據(jù)報道) more than 200 people had been killed in the fire.

  2. _____________(我們圖書館的藏書數(shù)) is about 30,000.

  3. Many people_____________(在地震中被活埋了) .

  4. _____________(從那時至今), I haven’t heard from him.

  5. With the grandma’s good care, _____________(那位傷員一天天好起來) .

  6. Too many milu deer _____________(被殺死) and they disappeared.

  7. Some large nature parks_____________(建立起來) to keep milu deer since 1985.

  8. The number of milu deer ______________(將大大增加).

  9. Soon milu deer _____________(將放生) and live in the wild.

  10. Do you know why wild animals ______________(應(yīng)該受到保護)?

參考答案

  1. It was reported that

  2. The number of books in our library

  3. were buried alive in the earthquake

  4. Since then

  5. the wounded soldier grew better day by day

  6. had been killed

  7. have been set up

  8. will be greatly increased

  9. will be set free

  10. should be protected

Step VIII Homework

  1.Revise the dialogue in Part 1.

  2.Finish off the Workbook exercises.


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