仁愛版初三英語上冊全冊教案4
3. learn some information about the clone technology.
(1) cloning is famous throughout the world.
(2) there is dna in most living things, including human beings.
(3) no doubt cloning can help save those animals in danger.
(4) and it can also benefit human beings.
ⅱ. teaching aids 教具
錄音機/多媒體課件/圖片
ⅲ. five-finger teaching plan 五指教學方案
step 1 review 第一步 復習(時間:6分鐘)
做游戲，復習一般過去時被動語態的用法，導入新課。
1. (用上節課的作業做一個鏈式游戲，以小組為單位，就計算機、mp3、cd、手機、數碼相機或學習用具等進行對話，操練be made of / be made in / be made from / be used for的用法。讓每一小組的第一個同學回過頭去問下一位同學，依次接著往下問。)
t: boys and girls. let’s play a game. ask questions one by one.
s1: what’s your favorite invention?
s2: an mp3. what’s it made of?
s3: it’s made of steel and plastic. when was it developed?
s4: it was developed around 1998. what’s it used for?
s5: it’s used for helping us to improve our english.
…
2. (用多媒體出示圖片，導入新課。)
t: you did very well. there are many important technologies and inventions in the world today. look at this invention. (展示燈泡圖片。)it’s a bulb. do you know about it?
(板書并要求學生了解。)
bulb
ss: yes, a little.
t: ok, who invented it?
ss: thomas edison.
t: when was the light bulb invented? do you know?
ss: no.
t: ok, let’s come to 1a and learn about it.
step 2 presentation 第二步 呈現(時間:17分鐘)
通過談論各種發明及其發明者和發明的時間，呈現1a和3a的內容，繼續學習一般過去時的被動語態及生詞。
1. (讓學生聽1a錄音并根據聽力內容判斷正誤。)
t: in this lesson, we will learn something about other inventions and technologies, please listen to 1a and mark true (t) or false (f).
(1) the light bulb was invented in 1879. ( )
(2) the radio was invented by thomas edison in 1895. ( )
(3) the airplane was invented by wilbur and orville wright in 1903. ( )
(聽后核對答案：(1) t (2) f (3) t。)
2. (用圖片繼續談論上述發明，引入3a。)
t: now let’s go on talking about the inventions. look at the picture! (出示收音機的圖片。) who invented it?
t: it was invented by guglielmo marconi.
(呈現收音機的發明年份和發明者的名字。)
t: and when was it invented?
ss: it was invented in 1895.
t: very good. and look at this picture. (展示一幅飛機的圖片。) who invented it? (同時呈現飛機發明年份和發明者的名字。)
ss: it was invented by wilbur and orville wright.