仁愛版初三英語上冊全冊教案5

step 2  presentation 第二步  呈現(時間:14分鐘)
利用太陽系的圖片學習生詞，導入新課，呈現1a，完成1b。
1. (出示教學掛圖—太陽系，讓學生們從感官上認識太陽系，教師導入新課。)
t:  boys and girls, just now we talked about mars. do you know how many planets there are in the solar system?
ss: yes. there are eight.
t: right. the solar system is like the home of the eight planets. our planet, the earth, is the third planet from the sun. however, the solar system is a small part of the universe.
(板書并要求學生理解。)
universe
t: scientists have sent up spaceships to explore other planets in the solar system. what’s more,
some spaceships have gone beyond the solar system.
(板書，講解并要求學生掌握。)
beyond
t: scientists will do more research on the space. so boys and girls, you must study hard.
  then you can do something useful to help research on the space one day. do you think so?
ss:yes, we will study hard.
t: ok. next, let’s read the text to learn more about the solar system.
2. (學生打開課本，聽1a錄音并跟讀，回答下列問題。)
t: boys and girls, let’s listen to the tape. read after it, then answer the following questions:
(幻燈片出示問題。)
(1) has anybody found life on other planets?
(2) what’s called the solar system?
(學生聽后回答問題，教師核對答案，必要時可再放一遍錄音。)
3. (讓學生讀1a, 選出恰當的標題。然后完成1b。)
t: read 1a again. choose the best title of the passage, then finish 1b。
(學生完成后，核對答案。)
t: now, which one would you like to choose?
ss: is there life out there?
t: yes, good. now look at 1b. who can match the letters with their names according to 1a?
s1: (b) the solar system
(d) the earth
(a) the universe
(c) the sun
t: ok, you did very well.
step 3  consolidation 第三步  鞏固(時間:8分鐘)
要求學生運用關鍵詞復述課文，鞏固1a。
1. (學生再讀1a，教師板書本課關鍵詞和短語。)
t: boys and girls, let’s find out the key words and phrases of the passage.
(板書)
scientists, life, millions of years, on other planets, the earth, seven, the solar system,
universe, launch, beyond, discover, message, information, alone
2. (根據板書的關鍵詞，引導學生復述課文。)
t: look at the key words and phrases on the blackboard. can you retell the text?
ss: let’s have a try.
t: ok. life, millions of years.
ss: there has been life on earth for millions of years.
t: on other planets.
ss: we haven’t found life on other planets yet.
t: the earth.
ss: the earth is a planet and it goes around the sun.