仁愛版初三英語上冊全冊教案1

(通過對第一單元的復習，導入被污染的西山景象。)
t: last unit, we have learned some changes in our hometown. can you say some?
s1: the roads are wider.
s2: the buildings are higher and higher.
s3: the living conditions have improved…
s4: …
t: yes. many changes have happened in our hometown. let’s look at the two pictures about the west hill and discuss the changes between them.
step 2  presentation 第二步  呈現(時間:15分鐘)
通過比較1a的兩幅圖畫的差異，展開對話，學習部分生詞，呈現1a。
1. (利用幻燈片展示1a中的兩幅圖，師生問答。)
t: are there any differences between them?
ss: yes.
t: let’s look at picture 1. what can you see?
s1: i can see some flowers and grass.
s2: i can see some butterflies dancing.
t: yes, there are some butterflies dancing.
(板書并要求學生掌握。)
there is/are … doing sth.
t: what else can you see?
s3: i can see a rabbit.
s4: i can see some houses.
s5: …
t: (指著蜜蜂。)what’s it?
ss: 蜜蜂。
t: it’s a bee. there is a bee flying.
(板書并要求學生掌握。)
bee
t: (指著小溪。) what’s it?
ss: 小溪。
t: it’s a stream. and there are some fishes swimming in the stream.
(板書并要求學生掌握。)
stream
t: we know the west hill was a beautiful place. look at picture 2. oh, my goodness! what has happened to the west hill?
(板書并要求學生掌握。)
my goodness
s6: the rabbit has disappeared.
s7:  the fish have died.
s8:  the trees have died.
s9:  there are no flowers, butterflies, grass, and so on.
s10: there are some factories.
t: (指著工廠。)yes, there are several factories. they are chemical factories.
(板書并要求學生理解。)
chemical
t: (指著工廠冒的黑煙，并捂住鼻子做呼吸困難狀。) they are making much smoke. it can cause breathing problems.
(板書并要求學生掌握。)
breathe
t: (指著排放的廢物。)and they are pouring waste water into the stream.
(板書并要求學生掌握。)
waste
t: from picture 2, we know the chemical factories are harmful to the animals and plants.
(板書并要求學生掌握。)
harmful
be harmful to
2. (要求學生不看書，只聽錄音，捕捉要點，回答問題，提高聽力水平。)
t: close your books. listen to the tape carefully, then answer these questions.
 (出示小黑板上的問題，聽錄音1a。)
(1)where are they going to have the picnic?
(2)why does kangkang say “oh, my goodness!” ?
3. (核對答案，板書1a的關鍵詞。)
beautiful—fresh—clean—gone—dirty—terrible—waste water
step 3  consolidation 第三步  鞏固(時間:12分鐘)