仁愛版初三英語上冊全冊教案2

ss: no, we don’t.
t: why?
ss: because there is too much smoke.
t: yes. we should stop burning coal. it is said that china has become the world’s largest producer and user of coal. as a result, air pollution has become a serious problem.
(板書并要求學生掌握。)
as a result
t: now our government has realized the importance of protecting the environment.
(板書并要求學生理解。)
importance
t: we should do something useful to protect the environment, too.
(板書并解釋something是不定代詞，其修飾語要放在它后面。)
something useful
2. (播放1a錄音，讓學生帶著問題去聽。)
t: listen to the tape, and answer the questions on the small blackboard.
(出示小黑板。)
(1)what’s the article about?
(2)what should we do as students?
(核對答案。)
3. (男女生分角色朗讀。)
t: let’s read 1a together. boys—kangkang and girls—michael.
4. (讓學生再讀1a，試著找出1a中的不定代詞或不定副詞，以及一些疑難點。)
t: read 1a again, and try to find the indefinite pronouns or adverbs.
step 3  consolidation 第三步  鞏固(時間:8分鐘)
閱讀1a，完成1b，開展分組活動加深對文章的理解，增強學生的環保意識。
1. (讓學生齊讀對話，鞏固1a并完成1b。)
t: now, let’s read this dialog together again, and then try to answer the questions in 1b as quickly as you can.
(核對答案。)
2. (讓學生分組活動, 仿照1a編寫對話，以達到學以致用的目的。)
t: ok, please work in pairs. try to make a new dialog with your partner according to the dialog in 1a. then i’ll ask some pairs to act out your own dialog in the front of the classroom.
example:
s1: hi, s2, what are you doing now?
s2: i’m reading a book.
s1: what’s it about?
s2: it’s about the environment in the world. it says that our environment is getting worse and worse. and the pollution has been the most serious problem in the world.
s1: yes. but it’s lucky that lots of governments have done something useful for the protection of environment.
  s2: it’s known that nobody likes pollution. but what should we do as students?
  s1: i think, first, everyone should try to protect the environment around us and we shouldn’t spit or throw the rubbish here and there. we should protect the wild animals and plants.
s2: that’s right, we should do as much as possible to protect our earth.
step 4  practice 第四步  練習(時間:15分鐘)
教師利用圖片作引導，呈現部分生詞和詞組。讓學生獨立完成2，然后聽錄音，完成3。并通過練習，分析不定代詞和不定副詞在句中的作用，總結它們的用法。
1. (教師展示多幅有關學生不文明現象的圖片。)
t: environment is very important to us. how about the environment of kangkang’s school? let’s look at the pictures.