九年級(jí)英語全冊(cè) Unit 9 When was it invented教案+教學(xué)設(shè)計(jì)+學(xué)案 人教新目標(biāo)版

1、Unit 9 When was it invented ?一、 教學(xué)目標(biāo)1、 語言目標(biāo)：（1）Talking about the history of inventions(談?wù)撝匾l(fā)明的歷史及用途)（2）能用被動(dòng)語態(tài)正確表達(dá)發(fā)明物的歷史。如：It was invented in 1876. It was invented by Bell.2、知識(shí)目標(biāo)： 學(xué)會(huì)使用含有被動(dòng)語態(tài)的不同句型結(jié)構(gòu)“When was it invented?” 和“Who was it invented by?”來談?wù)摳鞣N發(fā)明物的歷史。 3、能力目標(biāo)： 通過了解一些中外發(fā)明者的事跡，培養(yǎng)勤奮學(xué)習(xí)、立志為社會(huì)多做貢獻(xiàn)的精

2、神。二、重點(diǎn)知識(shí)1、重點(diǎn)單詞invent, mistake, ancient, produce, pleasant, pie, throw, century, notice, including, knock, basket, metal, below, towards, develop, risen基本要求：會(huì)讀、會(huì)寫、會(huì)用。2、重點(diǎn)短語be used for, by mistake, in the end, by accident, according to, fall into, in this way, knock into基本要求：會(huì)讀、會(huì)寫、會(huì)用。3、重點(diǎn)語法The Passive

3、 Voice(被動(dòng)語態(tài)的用法):1. When was / were . invented?2. Who was / were . invented by?3. What is / are . used for?基本要求：理解其含義，學(xué)以致用。三、導(dǎo)學(xué)案Section A例析導(dǎo)學(xué)1. When was it invented?invent v. 發(fā)明，創(chuàng)造 例如：He has invented a new way of making silk. 他發(fā)明了一種制造絲綢的新方法。Do you know who invented computers? 你知道誰發(fā)明的電腦嗎？【拓展】（1）invent

4、or n. 發(fā)明家，創(chuàng)造者，發(fā)明者 例如：Edison was a great inventor. 愛迪生是一個(gè)偉大的發(fā)明家。（2）invention n. 發(fā)明（物），創(chuàng)造 例如：Edison had 1,093 inventions. 愛迪生有1，093項(xiàng)發(fā)明。2Theyre used for seeing in the dark.它們被用于在黑夜里觀看。be used for表示“被用來做”，介詞for表示目的和用途，后面接名詞或動(dòng)詞-ing形式。Wood can be used for making paper.木材可以被用來造紙?！就卣埂亢衎e used的常用短語：（1）be us

5、ed as表示“被用作”，介詞as意思是“作為”的意思，其后一般接名詞，強(qiáng)調(diào)使用的工具及手段。This book can be used as a textbook.這本書可以當(dāng)作教科書來用。（2）be used by表示“被使用”，by后接動(dòng)作的執(zhí)行者。This kind of machine is used by farmers for getting in crops.3Battery-operated slippers were invented by Julie Thompson.電池控制的拖鞋是朱莉。湯普森發(fā)明的。operate v. 操作，作業(yè)【拓展】（1）operate v.

6、操作，作業(yè) 例如：Can you operate the computer? 你會(huì)用電腦嗎？（2）operate v. 動(dòng)手術(shù)，用于operate on sb. “給某人做手術(shù)”。例如：The doctor will operate on his mother at once. 那位醫(yī)生將馬上為他的母親動(dòng)手術(shù)。（3）operate v. 經(jīng)營，管理 例如：The company operates ten factories. 這家公司經(jīng)營著10家工廠。（4）operation n. 手術(shù) 例如：She had an operation for stomach. 她做過胃部手術(shù)。3. Id li

7、ke to have a radio because I could listen to music all day.我想有一個(gè)收音機(jī)，這樣我就可以整天聽音樂了。本句中的情態(tài)動(dòng)詞could用來表示邏輯上或理論上的可能性，而不是某種實(shí)際上將要發(fā)生或正在發(fā)生的可能性。Anybody could make mistake.任何人都可能犯錯(cuò)誤。The weather here could be very cold in winter. 冬天這兒的天氣很冷?！就卣埂縞ould也表示人或動(dòng)物的內(nèi)在能力，有某種知識(shí)或者技能而能夠做某事。He hurt his foot and couldnt play so

8、ccer. 他的腳受了傷，所以他不能踢足球了。專項(xiàng)訓(xùn)練用方框中所給詞的適當(dāng)形式填空：invent slipper use heat helpi. Whats a pen _ for?ii. When was the piano _?iii. I think the light bulb is the most _ invention.iv. When were electric _ invented?v. Is this your _ ice cream scoop? 句析導(dǎo)學(xué)When was it invented ?它是什么時(shí)候被發(fā)明的？這句話使用的是被動(dòng)語態(tài)：(1). 被動(dòng)語態(tài)表示句子的

9、主語是謂語動(dòng)詞所表示的動(dòng)作承受者。(2). 被動(dòng)語態(tài)基本結(jié)構(gòu)：be+及物動(dòng)詞的過去分詞(如果是不用物動(dòng)詞，其過去分詞應(yīng)帶有相應(yīng)的介詞)(3). 被動(dòng)語態(tài)中的be 是助動(dòng)詞，有人稱、數(shù)和時(shí)態(tài)的變化。 一般現(xiàn)在時(shí)被動(dòng)語態(tài)為：am/is/are+過去分詞 一般過去時(shí)被動(dòng)語態(tài)為：was/were+ 過去分詞 與情態(tài)動(dòng)詞連用的被動(dòng)語態(tài)：情態(tài)動(dòng)詞+ be + 過去分詞(4). 被動(dòng)語態(tài)中動(dòng)作的發(fā)出者或執(zhí)行者做介詞by的賓語，放在句末，by 表示“由，被”的意思如何理解被動(dòng)語態(tài)？ 為取勝更清晰、更深刻地理解被動(dòng)語態(tài)的含義，可以將主動(dòng)語態(tài)和被動(dòng)語態(tài)的句子結(jié)構(gòu)進(jìn)行比較。 主動(dòng)語態(tài)： 主語+ 謂語動(dòng)詞 + 賓語

10、+ 其他成分 被動(dòng)語態(tài)： 主語+ be +過去分詞 + by +賓語 +其他成分 如： Many people speak English.被動(dòng)語態(tài) English is spoken by many people.專項(xiàng)訓(xùn)練1. The bridge _ by the farmers themselves in 1982.A. built B. was builtC. buildD. was build 2. All the books will _ to the children who live in the small village.A. be sentB. sentC. be sen

11、dD. send3. Keys _ used for _ the doors.A. is, openingB. is, openedC. are, opening D. are, opened 4. My mother told me that my homework must _ on time.A. finishB. be finishC. be finishedD. finished 5. When _ the car _?A. did, invent B. was, invented C. does, invent D. in, invented 6. Where is Mary ?

12、She _in the cinema an hour ago.A. saw B. was seen C. is seen D sees7.A half of the news _ in English.A. is writing B. writes C. are written D. is written 教學(xué)設(shè)計(jì) 1導(dǎo)入新課（1a）:1）讓學(xué)生看書上的5幅圖畫，告訴學(xué)生這些東西都是在最近150年中被發(fā)明的。2）在黑板上寫出這五個(gè)發(fā)明的單詞。computer, car, calculator, telephone, TV set讓五個(gè)學(xué)生猜并且寫出這五項(xiàng)發(fā)明的時(shí)間。3）讓學(xué)生重復(fù)這些問題和答案

13、：T: When was the computer invented?（學(xué)生重復(fù)）SS: When was the computer invented?T: Good Now Tom, what is your guess?S1: 1965T: OK The computer was invented in 1965T: Class, please repeatSS: The computer was invented in 19654）讓學(xué)生回答下列的四個(gè)問題：1 Which one do you think is the oldest? 2 Which one is the newest?

14、 3 Which one do you think is the oldest or the first invention? 4 Which one is the newest or last invention?5）讓學(xué)生看方框中的例子，然后讓學(xué)生們練習(xí)這個(gè)對(duì)話。A: I think the telephone was invented before the car B: Well, I think the telephone was invented after the car6）讓學(xué)生四人一組討論這五項(xiàng)發(fā)明，用上面的對(duì)話作為例子練習(xí)。這樣就能找出這五項(xiàng)發(fā)明的正確時(shí)間。2聽力練習(xí)（1b）

15、：1) 這一部分讓學(xué)生在對(duì)話中練習(xí)目標(biāo)語言。2) 讓學(xué)生說出圖中五項(xiàng)發(fā)明的名字，然后看看左面的發(fā)明時(shí)間。3）播放錄音。Answersd 1876 a 1885 e 1927 c 1971 b 19763對(duì)話練習(xí)（1c）：1)要求兩個(gè)學(xué)生先讀一遍對(duì)話： SA: When was the telephone invented?SB: I think it was invented in 18762）讓學(xué)生兩人一組，用1b中的信息練習(xí)對(duì)話，告訴他們互相交換練習(xí)。4聽力練習(xí)：2a讀這三項(xiàng)發(fā)明Shoes with adjustable heels，battery operated slippers， h

16、eated ice cream，scoop并作一些解釋，告訴學(xué)生寫出聽到的正確的順序。2b1）讓學(xué)生讀三個(gè)標(biāo)題Inventions, who was it invented by?和 what is it used for?然后讓學(xué)生讀每一個(gè)標(biāo)題下的信息。 2）播放錄音。3）檢查答案。5小組練習(xí)：這一部分讓學(xué)生利用目標(biāo)語言練習(xí)口語。1）讓兩名學(xué)生讀示范對(duì)話。SA: What are they used for?SB: Theyre used for seeing in the dark2）讓學(xué)生利用2b中的信息來拓展對(duì)話，例如：（Pointing to the inventions）A: Wh

17、at are these?B: They are battery-operated slippersA: What are they used for?B: They are used for seeing in the darkA: Who were they invented by?B: They were invented by Julie Thompson63a這部分是要求學(xué)生運(yùn)用目標(biāo)語言練習(xí)聽說讀寫。1）讓學(xué)生看三個(gè)發(fā)明的圖片。2）給學(xué)生舉例解釋helpful inventions 和 annoying inventions 。例如：吸塵器是有用的，而噪音大的卡車是令人厭煩的。3）讓學(xué)生兩人一組完成表格。Sample answers Helpful Invention