初中英语仁爱科普版九年级上册Topic 1 Pollution has causes too many problems.教案设计

这是一份初中英语仁爱科普版九年级上册Topic 1 Pollution has causes too many problems.教案设计，共15页。

本课是九年级第二单元第一话题的第三课时，主活动是1a和4。学生通过阅读1a，了解噪音污染是如何产生的，是怎样影响人们健康的。1b则训练学生通过语境，推断词义，选出与该词匹配的英文解释。1c先让学生找出主旨句，再通过找出细节来论证段落的中心思想，以及通过语境判断重点词汇和句子的意思。2继续谈论噪音污染，通过选词填空的方式辨析单词的用法。3让学生模仿1a 来讨论其它的污染。为了让学生顺利地完成讨论任务，还给出了可能涉及到的讨论内容，很有指导性。4是在2和3的基础之上进行的写作练习，让学生学习运用中心句来组织文章。通过了解噪音污染，让学生进一步了解各种污染的现状。引导学生关注环境问题，关注各种污染，树立正确的环保意识。
Ⅱ.Teaching aims
1.Knwledge aims：
掌握本课的重点词汇和短语，初步感知定语从句。
了解与噪音污染有关的常识。
区别不同词性的单词的用法。
2.Skill aims:
能读懂有关环境污染的文章。
能看懂和听懂简单的英文解释。
能够理解段落中各个句子间的逻辑关系。
能用合适的英语对环境污染问题进行口头和书面语表达。
3.Emtinal aims: (ptinal)
通过学习，加深对环境问题的认知，树立环保意识。
4.Culture awareness: (ptinal)
了解各种不同种类的污染，关注全球的环境现状。
Ⅲ. The key pints and difficult pints
1. Key pints:
Wrds and phrases: deaf, print, recently, sentence, meaning, hearing, lss, disturb, uncmfrtable, unpleasant, srt, envirnmental, including, n t
g deaf, d harm t/be harmful t, lse ne’s hearing/ have hearing lss, in nisy cnditin/ t much nise, n better than
nt nly…but als…, cause sb. t d sth., all srts f envirnmental prblems, including nise prblems
Sentences: (1) … nise is als a kind f pllutin and is harmful t humans’ health.
(2) Peple wh wrk and live in nisy cnditins g deaf easily.
(3) … many teenagers in America can hear n better than 65-year-ld peple d …
Grammar: Simple past, present perfect.
2. Difficult pints：
能根据所学内容，表达与污染相关的话题。
能区别使用不同词性的单词。
能大致理解含有定语从句的句子。
能正确理解和使用“n better than”,“d harm t”等短语。
Ⅳ. Learning strategies
能通过思维导图，对课文内容进行读前预测。
能根据不同阅读材料，运用不同的阅读策略获取信息。
善于利用教材插图理解有关污染和环保的对话或文章。
能积极地加入小组，合作探究，学会表达自己的观点。
能根据写作要求，搜集、准备有关污染和环保的素材。
Ⅴ. Teaching aids
与污染相关的图片；单词卡片（如harm/ harmful; hear/ hearing; lse/ lss等）；录音机；幻灯片；音频（rck music）等。
Ⅵ. Teaching prcedures
Ⅶ. Blackbard design
Stage
(time perid)
Interactin
patterns
Teacher activity
Student activity
Remarks
1
Getting students ready fr learning and revisin
（2 mins）
Class activity
Shw sme pictures abut pllutin and let the Ss speak ut the effects f different srts f pllutin.
T: Hi, everyne. We have knwn sme kinds f pllutin. Can yu list them?
Ss:Yes. Water pllutin, sil pllutin, light pllutin, air pllutin, and nise pllutin and s n.
T:Nw lk at these pictures carefully.
What prblems d they cause?
S1:Water pllutin can make peple sick.
S2:Sil pllutin causes unhealthy fd.
S3:Light pllutin hurts ur eyes.
S4:Air pllutin causes breathing prblems.
…
T:Very gd. In this lessn, let’s talk abut nise pllutin.
Speak ut the effects f different srts f pllutin.
…
Ss:Yes. Such as water pllutin, sil pllutin, light pllutin, air pllutin, nise pllutin and s n.
…
S1:Water pllutin can make peple sick.
S2:Sil pllutin causes unhealthy fd.
S3:Light pllutin hurts ur eyes.
S4: Air pllutin causes breathing prblems.
…
通过图片复习不同种类的污染情况，为学习噪音污染进行热身，打开思维。
2
Lead-in
(2 mins)
Class activity
Play sme lud rck music and let the Ss discuss their feelings.
T: Nw let’s listen t sme music. Then talk abut yur feelings.
...
T: What d yu think f the music?
Ss: I dn’t like it. / I think it’s cl.
T: If I play rck music very lud at midnight, will yu enjy it?
Ss: N. / Terrible.
T: Why?
Ss: Because it makes lts f nise. We can’t sleep at all.
…
Listen t sme lud music and discuss their feelings.
Ss: I dn’t like it. / I think it’s cl.
Ss: N. / Terrible.
…
Ss: Because it makes lts f nise. We can’t sleep at all.
…
摇滚乐能够吸引学生的兴趣，有很多年轻人喜欢，教师在使用摇滚乐引出噪音时，要注意提前预测学生的反应，如果有学生回答的结果不是你想要的，要继续引导
如：
T: What d yu think f the music?
Ss: I think it’s cl.
T: If I play rck music lud at midnight, will yu enjy it?
Ss: N. /Terrible.
T: Why?
Ss: Because it makes lts f nise.
3
Pre-reading
(5mins)
Grup wrk
Guide the Ss t discuss the things that can make nise and write them dwn.
T: Excellent. It nt nly disturbs thers but als des great harm t peple’s hearing. Nw discuss with yur grup members abut the things that can make nise. Write them dwn in yur bks.
…
T: What else can make nise?
S1: The cars and buses.
S2: The pets at hme.
S3: The little kids.
S4: Machines
…
Discuss the things that can make nise and write them dwn.

S1: The cars and buses.
S2: The pets at hme.
S3: The little kids.
S4: Machines
…
教师要合理利用教材资源，在读前活动中，利用图表训练学生的发散思维，帮助学生拓展视野，进行交流。在日常教学中，教师也可以自己创设这样的图表。
4
While-reading
(10 mins)
Individual wrk
Individual wrk
Grup wrk
Step 1: Let the Ss read 1a quickly, check what things can make nise in 1a.
T: Excellent. Nw read 1a quickly, check what things can make nise in 1a.
…
S1: Printing machines.
S2: The airplanes.
S3: Lud pp music
…
Step 2: Lead the Ss t read 1a, find the wrds in 1b and guess the meanings f them accrding t the cntent. Then match the wrds with the meanings. Finish 1b.
T: Nw read 1a, find the wrds in 1b and guess the meaning f them accrding t the cntent. Then match the wrds with the right meanings. Finish 1b.
…
T: What des “prduce” mean?
S1: It means “制造” in Chinese.
T: What’s the English meaning f it?
S2: It means “ grw r make smething” in English.
T: What’s the meaning f “deaf”?
S3: It means “聋的” in Chinese.
T: Hw t express it in English?
S4: Deaf means “nt be able t hear”.
…
Step 3: Let the Ss read 1a carefully and finish the task in 1c.
T: Please read the passage t find ut the tpic sentence f the passage.
…
T: OK. Have yu fund the tpic sentence f the passage?
S: Yes, nise is a kind f pllutin and is harmful t humans’ health.
T: Right. Nw read Para 2 and 3 t find ut hw nise harms peple’s health and fill in the blanks.
…
T: OK. Have yu finished? Hw des nise harm peple’s health?
S2: Peple ften g deaf.
S3: Peple ften feel uncmfrtable and unpleasant.
S4…
S5...
T: That’s right. Which sentence has the same meaning as “is harmful t”? Can yu find it?
S6: “des harm t”.
T: And which sentence shws that many yung teenagers’ hearing in America is nt gd?
S7: “Many teenagers in America can hear n better than 65-year-ld peple d”.
T: Why is the hearing f many yung Americans nt gd?
S8: Because they always listen t lud pp music.
T: Has nise caused yu any prblems?
S9: Yes, I can’t sleep well s that I feel sleepy in class.
S10: Yes, I can’t d my hmewrk crrectly.
Read 1a quickly and check what things can make nise in 1a.

S1: Printing machines.
S2: The airplanes.
S3: Lud pp music
…
Read 1a, find the wrds in 1b and guess the meanings f them accrding t the cntent. Then match the wrds with the right meanings. Finish 1b.
S1: It means “制造” in Chinese.
S2: It means “grw r make smething” in English.
S3: It means “聋的” in Chinese.
S4: Deaf means “nt be able t hear”.
Read 1a carefully and finish the tasks in 1c alne. Then wrk in grups t discuss their answers.
S: Yes, nise is a kind f pllutin and is harmful t humans’ health.
S2: Peple ften g deaf.
S3: Peple ften feel uncmfrtable and unpleasant.
S4…
S5...
…
S6: des harm t
…
S7: “Many teenagers in America can hear n better than 65-year-ld peple d”.
…
S8: Because they always listen t lud pp music.
…
S9: Yes, I can’t sleep well s that I feel sleepy in class.
S10: Yes, I can’t d my hmewrk crrectly.
初读第一遍时，让学生带着pre-reading 的问题浏览文章，整体感知文章大意，为完成while-reading中的任务做准备。
1b中呈现的五个单词中，只有prduce不是生词，因此，教师在安排活动时，应该先让学生通过语境，猜测词义，再完成match的活动。
任务型阅读在中考中占有一定的分值，因此，在做阅读任务时，要注意以下几点：
教师应该合理利用课文中的任务，逐步实现学生对文章的理解，并突破难点。
教师把握每个任务的难度和层次，安排任务时，做到从易到难，各个突破。
根据实际情况，教师可以增设和删减与课文相关的任务，贴合中考要求。
5
Pst-reading
(10 mins)
Individual wrk
Individual wrk
Step 1: Let the Ss read 1a carefully, find ut the difficult pints. The teacher cllects the Ss questins and list them ut n the Bb.
T: Read 1a again and find ut the difficult pints. Please cllect them in grups and list them n yur small Bb.
…
T: OK. Nw lk at the pints f Grup One n the Bb. If yu have the same questins please delete.
(Teacher uses gestures t explain “delete”.)
Nw lk at this sentence “Peple wh wrk and live in nisy cnditins g deaf easily.”
It’s lng, but yu can understand it by dividing it int tw sentences “Peple g deaf easily.” and “Peple wrk and live in nisy cnditins.”
(Write dwn the tw sentences n the Bb, and then ask them t deal with ther lng sentences like this.)
T: OK, lk at this sentence “Many teenagers in America can hear n better than 65-year-ld peple d”. It means “Many teenagers can hear as badly as 65-year-ld peple d.” Can yu understand it?
…
Step 2: Guide the Ss t cmplete the passage with crrect frm f each wrd. Finish 2.
T: Nw please cmplete the passage with crrect frm f each wrd in 2.
…
T: Nw check the answers tgether.
S1: pllutin
S2: uncmfrtable
S3: unpleasant
…
Read 1a carefully, find ut the difficult pints.
(The Ss need t take ntes while the teacher is giving sme explanatins.)
Guide the Ss t cmplete the passage with crrect frm f each wrd. Finish 2.
S1: pllutin
S2: uncmfrtable
S3: unpleasant
…
本环节具体操作说明：
学生在组内归纳好本组讨论出的问题，并写到小黑板上。
教师任意选择一组作为主讲，让其他组组长删除组内与其相同的问题。
让学生再补充讲解其他组剩下的问题，相同的问题不作重复讲解。
6
Finishing Task 3 and 4
（10 mins）
Grup wrk
Let the Ss discuss ne kind f pllutins accrding t the infrmatin they cllected befre class. Then make a reprt like 4.
T: OK, yu have cllected sme infrmatin abut varius pllutins befre class. Nw chse ne kind f pllutin and discuss it in grups. Maybe the questins in 3 can help yu t rganize yur reprt.
…
S1: What is air pllutin?
S2:
T: Nw reprt t the whle class. Wh can have a try?
S1: Water pllutin is very serius and we can find it almst everywhere….
S2: Light pllutin haven’t caught peple’s eye yet…
…
T: Yu did a gd jb! After class, write yur reprt in yur exercise bk and hand it in in time.
Discuss ne kind f pllutin in grups accrding t the infrmatin they cllected befre class. Then make a reprt like 4.
S1: What is air pllutin?
S2:
S1: Water pllutin is very serius and we can find it almst everywhere….
S2: Light pllutin haven’t caught peple’s eye yet…
运用课前收集的信息做报告，可以检查学生课后作业的完成情况。
7
Summarizing and assigning hmewrk
(5 mins)
Class activity
Step 1: Let the Ss g thrugh what they have learned tday.
T: Nw, let’s g ver what yu have learned tday, including wrds, phrases and sentences. And each student has t present ne.
S1: g deaf
S2: hearing lss
S3: d harm t
…
Step 2: HMK:
Assign 4 as the HMK
G ver tgether what they have learned tday and each student speaks ut ne wrd r phrase t check their achievement.
…
S1: g deaf
S2: hearing lss
S3: d harm t
…
Write a passage abut ne srt f pllutin.
Pllutin has caused t many prblems.
Sectin C
Key phrases:
g deaf
d harm t
be harmful t
lse ne’s hearing
have hearing lss
in nisy cnditin
t much nise
n better than
as badly as
Sentences:
(1) … nise is als a kind f pllutin and is harmful t humans’ health.
(2) Peple wh wrk and live in nisy cnditins g deaf easily.
= Peple g deaf easily. / Peple wrk and live in nisy cnditins.
(3) … many teenagers in America can hear n better than 65-year-ld peple d, …
= … many teenagers in America can hear as badly as 65-year-ld peple d, …
lse – lss
pllute – pllutin
pleasant – unpleasant
harm – harmful
nise – nisy
cmfrtable – uncmfrtable
hear – hearing
health – healthy