仁愛版初三英語上冊全冊教案4
ⅱ. teaching aids 教具
投影儀/圖片/小黑板
ⅲ. five-finger teaching plan 五指教學(xué)方案
step 1 review 第一步 復(fù)習(xí)(時間:5分鐘)
利用不同的飛船圖片，讓學(xué)生對其進行描述，以鞏固section a與section b的知識點。
t: we have learned something about spaceships. please describe them using your own words according to the pictures.
(出示神五的圖片。)
s1: this is shenzhou ⅴ. in our national hero yang liwei traveled around the earth in it for 21 hours. all of us are very proud, and hope we will send more spaceships to space in the future.
(繼續(xù)出示神七，嫦娥一號的圖片。)
s2: …
s3: …
t: good job! we know space science is very amazing, and spaceships play an important role in exploring space, but do you know what controls the spaceships?
ss: computers.
t: yes. in this lesson, let’s talk about the uses of computers.
(出示一張電腦的圖片，導(dǎo)入新課。)
step 2 presentation 第二步 呈現(xiàn)(時間:12分鐘)
教師簡單介紹電腦的用途，在介紹中引出并教學(xué)生詞，以設(shè)置問題的方式培養(yǎng)學(xué)生的閱讀能力，完成1b。
1. (展開師生對話，教學(xué)生詞，呈現(xiàn)1a，完成1b。)
t: there is no doubt that computers are useful during the space trip.
(板書，要求學(xué)生掌握。)
doubt
no doubt
t: as we know, computers can control the speed and the direction during a spaceship’s flight. they can also fix tiny mistakes and cancel wrong orders.
(板書，要求學(xué)生掌握。)
tiny
cancel
t: we also know the whole world is connected by computers. we can exchange information, news, ideas…with other people on line.
(板書，要求學(xué)生掌握connect；理解exchange。)
connect
exchange
2. (教師呈現(xiàn)以下問題，先讓學(xué)生根據(jù)自己的了解進行回答。)
(1) do the computers play an important role during the space flight?
(2) what can computers and the internet do in our daily life?
(3) can we work on computers too long? why?
(學(xué)生能回答一些問題，但不一定全面，教師建議學(xué)生帶著這些問題，閱讀1a。提高學(xué)生的閱讀能力。)
t: please read the passage and try to find out the answers to the questions.
(學(xué)生閱讀后，可與同伴討論并給出答案。)
(讓學(xué)生再讀1a并找出文中的疑難點，鼓勵學(xué)生討論解決，教師作補充講解。板書并要求學(xué)生掌握。)
there is no doubt that...
…keep their hearts beating…
for instance = for example
3. (讓學(xué)生齊讀1a，注意一些短語和句式，完成1a課后閱讀的問題和1b。)
t: read 1a together and pay attention to the expressions. finish post-reading task and 1b.
(核對答案。)
step 3 consolidation 第三步 鞏固(時間:10分鐘)
鞏固1a，結(jié)合1a及自己的看法，分組討論，列舉電腦的優(yōu)缺點，完成1c。
1. (要求學(xué)生根據(jù)1a內(nèi)容完成小黑板上的表格。)
t: finish the table according to 1a, then i’ll ask some students to fill it out.