仁愛(ài)版初三英語(yǔ)上冊(cè)全冊(cè)教案4
step 4 practice 第四步 練習(xí)(時(shí)間:8分鐘)
設(shè)置情景，繼續(xù)操練一般過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài)，完成2和4。
1. (利用1a中有關(guān)發(fā)明的圖片，讓學(xué)生用一般過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài)講述三項(xiàng)發(fā)明的情況。)
t: now, look at the pictures and try to say something about the inventions we have learned just now. (教師逐一呈現(xiàn)圖片。)
s1: the light bulb was invented by thomas edison in 1879.
s2: the radio was invented by guglielmo marconi in 1895.
s3: the airplane was invented by wilbur and orville wright in 1903.
2. (讓學(xué)生先看2的內(nèi)容，然后播放錄音。)
t: boys and girls, do you want to know something about other inventions? let’s listen to the tape carefully and complete 2 on page 87.
(聽(tīng)后檢查部分學(xué)生答案，視情況需要，可再播放一遍錄音。然后就聽(tīng)力內(nèi)容提問(wèn)。)
t: who was the car invented by?
ss: karl benz.
t: when was it invented?
ss: in …
t: what about the telephone?
ss: it was invented by alexander graham bell in …
t: what did john baird invent?
ss: he invented the television.
t: when did he invent it?
ss: he invented it in …
(讓學(xué)生分成三組分別討論這三項(xiàng)發(fā)明，并用自己的話(huà)復(fù)述2中的部分內(nèi)容，完成2。)
t: now, please talk about the inventions in your own words. group 1, please tell us something about the car.
g1: the car …
t: now, group 2, would you like to talk about the telephone or the television?
g2: we’d like to talk about …
t: group 3. it’s your turn to talk about ...
3. (用多媒體展示一些圖片，并要求學(xué)生用過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài)造句。鞏固本課的語(yǔ)言點(diǎn)。完成4。)
t: make up sentences according to the example and practice more.
example:
(展示電腦圖片并板書(shū)生詞laptop，要求學(xué)生了解。)
laptop
s4: where were laptops invented?
s5: they were invented in japan.
s4: when were laptops invented?
s5: they were invented in 1985.
(展示神舟七號(hào)發(fā)射圖。)
ss: shenzhouⅶ was launched into space in china in .
…
step 5 project 第五步 綜合探究活動(dòng)(時(shí)間:5分鐘)
把學(xué)生分為幾組，每個(gè)學(xué)生寫(xiě)下自己所知道的發(fā)明，由組長(zhǎng)匯總，然后小組討論，讓學(xué)生課后發(fā)揮各自的想象力，設(shè)計(jì)一個(gè)實(shí)用的發(fā)明并介紹其用途、性能等，鍛煉學(xué)生的探究能力。
1. (組內(nèi)調(diào)查后，讓學(xué)生盡量用一般過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài)來(lái)描述搜集的發(fā)明及其發(fā)明者、發(fā)明時(shí)間、發(fā)明地、用途等，并由組長(zhǎng)向全班作匯報(bào)。)
2. homework:
according to your imagination, design your own invention. then write an article to introduce it.
板書(shū)設(shè)計(jì)：
when was it invented?
section b
so far (1)it was widely used in people’s daily life.