仁愛版初三英語上冊全冊教案2
利用圖片或?qū)嵨飫?chuàng)設(shè)語言情景，呈現(xiàn)部分生詞；并通過聽錄音回答問題等形式呈現(xiàn)1a，完成1b。
1. (教師用圖片或?qū)嵨镆霰菊n的詞匯和內(nèi)容。)
t: if we want to be greener people, what should we do at home?
(教師展示圖片。)
t: is he a greener person?
ss: no.
t: we should reuse plastic bags instead of throwing them away.(可出示一塑料袋幫助學(xué)生理解。)
(板書，讓學(xué)生猜測其漢語意思，且要求掌握。)
plastic
(教師展示圖片。)
t: is it green?
ss: no.
t: we should reduce using plastic bags.
(板書且要求學(xué)生理解。)
reduce
(教師展示圖片或出示實(shí)物。)
t: what are these?
ss: they are soft drink cans.
(教師幫助學(xué)生回答并板書，要求學(xué)生理解can。)
can
t: how shall we deal with them?
ss: we should collect them for recycling.
(教師讓學(xué)生看圖片，幫助學(xué)生總結(jié)環(huán)保方面的知識。)
t: now, we know we should reduce, reuse and recycle some things at home to protect our environment. we call them the three rs.
(板書并要求學(xué)生理解the three rs的含義。)
the three rs—reduce, reuse and recycle
t: it is not hard for us to protect the environment. so we can encourage people around us to be
greener people. would you like to do so?
ss: sure.
t: protecting our environment is our duty. that is to say, everyone is supposed to do that. it means everyone should do that.
(板書并要求學(xué)生掌握。)
be supposed to do sth.
t: now we know how to protect the environment at home. what can we do at school to protect the environment? please listen to the tape, then find out the answer.
(教師放1a錄音，讓學(xué)生不看書回答問題。)
t: can you find out the answer?
(師生共同核對答案。)
2. (讓學(xué)生再聽1a錄音，回答小黑板上的問題，為完成1b做鋪墊。)
t: please listen to the tape again, then try to answer the questions on the small blackboard.
(展示小黑板。)
(1) who is working for an organization that protects the environment?
(2) what’s her main job?
(3) should we use both sides of paper?
(4) why is the recycling useful?
(師生共同核對答案。)
step 3 consolidation 第三步 鞏固(時間:10分鐘)
通過跟讀錄音、兩人對話、復(fù)述課文等形式鞏固1a。
1. (讓學(xué)生跟讀1a錄音并完成1b。)
t: please read the dialog after the tape, then finish 1b.
(核對答案。)
2. (學(xué)生兩人一組練習(xí)對話，然后抽查幾組學(xué)生，以檢驗活動成果。)
t: please work in pairs. then i’ll ask some pairs to act it out.
3. (讓學(xué)生再讀1a，并找出關(guān)鍵詞，為下步復(fù)述做鋪墊。)
t: please read the dialog again. meanwhile, try to find the key words.
4. (讓學(xué)生運(yùn)用關(guān)鍵詞復(fù)述1a，以檢查學(xué)生的語言組織能力。)
t: now, i’ll ask some students to retell 1a. please try to speak with your own words.