仁愛版初三英語上冊全冊教案2
1. t: now we know that a lot of water can be saved by forests. why should we save water?
ss: because it is very important.
t: that’s right. without water, we’ll die. so we should protect water.
(展示一條被工廠污染的河的圖片，引出2中的新詞匯。)
t: look at the picture. can people drink the water in the river?
ss: no.
t: why?
ss: because the water is too dirty.
t: what causes it?
ss: factories are pouring waste water into the river.
t: yes. what can we do to stop it?
s1: pull down the factories.
s2: write to the newspaper.
s3: …
t: yes. we can stop factories pouring waste water into rivers by cutting off their water supply. and we can also pass laws against it.
(板書并要求學(xué)生掌握。)
law
t: what other ways of protecting and saving water do you know? for example, remember to turn the tap off when you leave.
(板書turn off，要求學(xué)生掌握；板書tap，要求學(xué)生理解。)
tap
turn off turn on
2. t: now, read 2 and discuss in groups of four.
(小組代表報告，教師板書總結(jié)。)
step 5 project 第五步 綜合探究活動(時間:7分鐘)
綜合運用本課的語言項目，探討水資源保護的相關(guān)問題；課后寫一篇有關(guān)“保護和節(jié)約水資源”的短文，進一步增強學(xué)生的環(huán)保意識。
1. (讓學(xué)生討論如下問題，為寫作做準(zhǔn)備。)
t: ok. we know water is very important to human beings. now please talk about the following questions:
(1)why should we save water?
(2)what’s the importance of water?
(3)what’s the importance of saving water?
(4)how should we save water?
(討論完后匯報結(jié)果。教師將關(guān)鍵詞板書，以利于學(xué)生寫作。)
2. homework:
(1) find out more information about water.
(2) write a short passage with the title “protecting and saving water”.
板書設(shè)計：
all these problems are very serious.
section b
cut down i couldn’t see anything, and my face hurt while i was
change into desert walking down the street just now.
human being trees can stop the wind from blowing the earth away.
although …/ … but … pass laws against water pollution.
turn off remember to turn the tap off when you leave.
prevent … from …=stop … from …
section c
the main activity is 1a. 本課重點活動是1a。
ⅰ. teaching aims and demands 教學(xué)目標(biāo)
1. learn some new words and phrases:
on earth, period, millions of, take away, rise, level, refer to
2. learn some useful sentences:
(1) when it rains or when the wind blows, the earth is taken away.
(2) the heat from the sun can’t escape so the temperature is rising.
3. learn to talk about the harm of pollution: