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1、仁愛版精品英語資料（精校版）
九年級（上）英語 導(dǎo)學(xué)案
班級 姓名
課題
學(xué)習(xí)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 wi
2、nd 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:
(1) Forests have become deserts, so more and more sorts of animals and plants are disappearing.
(2) As a result, many rivers and lakes are now d
3、ead.
(3) Too much harmful radiation from the sun passes through the hole and reaches the earth directly.
(4) It causes the level of the oceans to rise and the climate of the earth to change.
4. Develop the students’ sense of environmental protection.
學(xué)習(xí)重點(diǎn)
Learn some useful sentences:and tal
4、k about the harm of pollution:
學(xué)習(xí)難點(diǎn)
environmental protection.
教學(xué)方法和教學(xué)時數(shù)
采用多媒體教學(xué)方法，小組合作探討，師生問答等方式
1 period
學(xué) 習(xí) 過 程
學(xué)習(xí)內(nèi)容（學(xué)生活動）
學(xué)習(xí)方法
教師知識講解
一、 學(xué)前準(zhǔn)備
檢查作業(yè)，引導(dǎo)學(xué)生開拓思維，提出保護(hù)環(huán)境和水資源的具體措施，復(fù)習(xí)不定代詞和副詞。為學(xué)習(xí)新詞匯作準(zhǔn)備。
根據(jù)句意及首字母提示補(bǔ)全單詞。
1.During this p_____ we have changed our planet a lot in many w
5、ays.
2.First you must dig a h_____ before planting a tree.
3.The flood nearly reached roof l_____.
4.I hope the boy won’t have bad b_____ as before.
5.When the sun r_____, everything is bright.
學(xué)生課前 完成
教師通過日常對話，借助1a中的圖片，創(chuàng)設(shè)情景，導(dǎo)入新課，呈現(xiàn)新的詞匯。
1. (教師由日常對話，引出本課話題，呈現(xiàn)部分新詞匯。)
2.讓學(xué)生快速閱讀1a，用所給的詞組填
6、空。完成1a。)
教師出示小黑板上的問題，讓學(xué)生再讀一遍課文后回答。)
二、 獨(dú)立思考、解決問題
檢查作業(yè)，并找學(xué)生匯報結(jié)果，引導(dǎo)學(xué)生如何保護(hù)水資源。)
T: How do you protect our environment and save water?
S1: Everyone should plant more trees.
S2: We should do everything we can to save water.
S3: Everybody should know the importance of forests.
S4: Pass laws a
7、gainst water pollution.
S5: Collect and reuse waste water
學(xué)生自主學(xué)習(xí)課堂展示
三．分組討論 合作探究
讓學(xué)生討論各種危害地球的污染方式，并就有關(guān)污染寫一篇短文，培養(yǎng)學(xué)生綜合運(yùn)用語言的能力，增強(qiáng)學(xué)生的環(huán)保意識。
T: OK, until now, we have learned so many kinds of pollution. Now please work in groups and discuss them. After a moment, I’ll ask some students to report it.
8、
小組合作完成組內(nèi)交流課堂展示
三、 自學(xué)反饋 精講點(diǎn)撥
1while 并列連詞，“而，卻”，表示對照關(guān)系。
while--- 在…時 --- 從屬連詞，常引導(dǎo)含有延續(xù)動詞的時間狀語從句，表示一個動作在進(jìn)行的同時，另一個動作也在發(fā)生
while--- 一會兒，一段時間 --- 名詞 常用短語：for a while --- 一會兒
2.take away 拿走，取走
3.rise --- 升起，上升 (不及物動詞) 拓展：raise ①舉起，提起，抬起 ； ② 籌集 (及物動詞
小組內(nèi)交流并選取代表歸納總結(jié)
五、課后練習(xí)
1.根據(jù)
9、給出的提示詞寫一篇小短文，可先口述。)
T: Write a short passage with the key words given.
(板書關(guān)鍵詞。)
(1)change…in many ways
(2)important, destroy, too much, harmful radiation, cause cancer
(3)increase a lot, blanket, rise, change
(4)serious, do something
二.詞匯。（10分）
(A) 根據(jù)句意及首字母提示補(bǔ)全單詞。
1.During this p_____ we h
10、ave changed our planet a lot in many ways.
2.First you must dig a h_____ before planting a tree.
3.The flood nearly reached roof l_____.
4.I hope the boy won’t have bad b_____ as before.
5.When the sun r_____, everything is bright.
三..情景交際。（5分）
A: Where have you been, Mike? I phoned you, but y
11、ou weren’t in.
B: 11
A: Why did you go there?
B: 12 It has made several old people who live nearby sick.
A: 13
B: Do you think“Greener China”can do something?
A: 14 I think we should write a letter to the newspaper about the pollution.
B: 15 It’s our duty to protect the en
12、vironment.
A.I’ve been to a farm.
B.Good idea!
C.I’ve been to a rubber factory.
D.Because I found the factory pouring waste water into the river.
E.That’s terrible.
F.What should we do to stop it?
G.Yes, of course.
獨(dú)立完成小組內(nèi)檢測
教 學(xué)
反 思
?
?
?
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編寫:張?jiān)葡肌⑵畹掠?、江黎、左坤靜 校審:顧德金
重慶市九年級英語上冊學(xué)案：Unit2 7【精校版】
