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高中英语Unit 6 Earth first教案
展开Teaching bjectives:
Enable students t understand the structure, functinal meanings f -ing and -ed as cmplement and the passage related t grammar.
Lead students t talk abut envirnmental prblems using grammar prperly and think f and use the useful expressins abut dealing with glbal warming.
Guide students t finish the listening activities and further understand the tpic related t the envirnmental prblems.
Help students t raise their awareness f prtecting the envirnment.
Evaluatin bjectives:
Ask students t find ut the sentences related t -ing and -ed as cmplement and translate them t find ut whether they can understand their meanings.
Ask students t d exercises in the textbk t check whether they can knw the usage f -ing and-ed as cmplement and finish the exercises n learning plan papers t check whether they have mastered the usage f -ing and -ed as cmplement.
Ask students t discuss what they can d t help deal with glbal warming t check whether they can use the wrds prperly.
Ask students t finish the listening activities t find ut whether they can understand listening materials-smg, and whether they knw hw t make a plite interruptin.
Teaching key pints:
Understand the use -ing and -ed as cmplement.
Learn abut the wrds related t dealing with glbal warming.
Identify and master the language t discuss the envirnmental issues and their slutins.
Understand the envirnmental prblem——smg by listening.
Teaching difficult pints:
Use -ing and -ed as cmplement prperly.
Express ideas abut the envirnmental issues and their slutins in a right way.
Teaching methds:
Cperative Teaching Methd, Task-based Apprach, Cmmunicative Apprach, Listening-speaking Apprach
Teaching prcedures:
Step1:Lead-in
T:Hell! Bys and girls. Tday we’ll learn smething abut -ing and -ed as cmplement. I think yu have gt t knw smething abut -ing and -ed as cmplement in yur learning. Nw let’s check hw yu are getting alng with this grammar.First, please find ut all the sentences with -ing r -ed(nt serve as predicate) in the passage Sharks:Dangerus r Endangered and analyze the functins f -ing r -ed as cmplement.
Suggested answers:
1.We see a wman swimming at night in a dark sea.
2.This is the pening scene frm the 1975 film Jaws,shwing a shark attack.
3.Jaws was a great success, attracting huge audiences and winning many awards.
4.It made peple frightened f sharks,especially f the great white shark.
5.Sme peple stpped swimming in the sea,afraid f the hrrible creature frm the film.
6.Other peple started fishing fr sharks,killing as many as they culd.
7.Peple just wanted them killed.
8.This was nt nly due t fear f sharks,but als finning.
9.Finning wuld have an unexpected effect upn Peter Benchley.
10.Benchley saw sharks being killed and this caused a deep change in him.
11.Frtunately,nt everyne wh watched the film Jaws became afraid f sharks—sme became interested in understanding them.
12.Peple have always been scared f sharks,but Jaws made things wrse.
T:Nw yu have find ut all the sentences with -ing r -ed(nt serve as predicate).Next, please analyze the sentence cnstituents f -ing r -ed.
Suggested answers:
1.宾补 2.定语;状语 3.状语;状语 4.宾补 5.宾语 6.宾语;状语 7.宾补 8.宾语 9.定语 10.宾补 11.表语;宾语 12.表语
Step 2:Cmparisn and analysis
T:Nw, lk at the tw sentences and analyze what cmplement?
Please read the sentences in Activity 1 and answer the questins.Pay attentin t the sentences in bld and discuss in grups and summarise the expressive functins f -ing and -ed as cmplement.
A.We see a wman swimming at night in a dark sea.
B.It made peple frightened f sharks,...
Questins:
1.In sentence (a),wh is swimming at night?
2.In sentence(b),wh is frightened f sharks?
3.Why des the authr chse t use different frms f verbs in the tw sentences?
Suggested answers:
1.A wman
2.Peple
3.In sentence (a),a wman is swimming.In ther wrds,the wman is ding the actin f swimming.S the authr uses -ing.But in sentence(b),peple are frightened.As a result,passive vice is used.S the authr uses -ed.
通过观察例句,我们可以得知:在英语中有些及物动词,除有一个直接宾语以外还要有某个词或词组来补充说明宾语的意义或状态,才能使句子的意义完整,这个词或者词组称为宾语补足语。
*总结归纳:
1.宾语补足语一般放在宾语 (前/后),对宾语起 的作用。
2.现在分词的逻辑主语是 ,和宾语为 。
3.过去分词的逻辑主语是 ,和宾语为 。
Suggested answers:
1.后;补充说明 2.宾语;主动关系/主动进行 3.宾语;被动/完成关系
Step 3:Relevant knwledge
练习+观察判断+总结
1.我看见他正沿着街跑。
________________________________________________________
2.我感到一只蚂蚁正在我的腿上爬。
________________________________________________________
3.我刚才看到一位老人被车撞倒了。
________________________________________________________
归纳总结:see,watch,ntice,bserve,hear,feel等感官动词后若接现在分词作宾语补足语,表示该动作与宾语之间是 ;若其后接过去分词作宾语补足语,表示该动作与宾语之间是 。
一、感官动词后非谓语做宾语补足语补充说明及归纳:
see,watch,bserve,lkat,ntice,hear,listent,feel+sb./sth.+d主动
+ding主动
+dne被动 完成
正在进行
完成或没有一
定的时间性
用sing的适当形式填空
(1)I heard her an English sng just nw.
= She was heard an English sng just nw.
(2)I heard her an English sng when I passed by her rm.
(3)T learn English well,we shuld find pprtunities t hear English as much as pssible.
练习+观察判断+总结
What made them s (frighten)?
I have had my car (clean).
He gt his TV set (mend).
归纳总结:have,let,make,get等使役动词后若接现在分词作宾语补足语,表示“使处于某种状态”;若其后接过去分词作宾语补足语,表示动作由他人完成。
二、使役动词后非谓语动词作宾语补足语补充说明及归纳:
1.have/get sth.dne 让某事被……
I’ll have/get my cmputer repaired.
2.have/make/let/get sb.d 让某人做某事
She made me cry.
3.have sb./sth.ding sth.让……持续地做……
4.get sb./sth.ding 使……开始做……
5.make neself dne使某人自己被
三、动词leave,find,keep,catch后接非谓语动词作宾语补足语归纳总结:
1.leave sth./sb.ding 让……一直做某事
leave sth./sb. undne (unfinished,unsettled,等)留下某事未做
2.find/keep/catch sb./sth.ding 发现/使/撞到……
find/keep/catch sb./sth.dne 发现/使/撞到……被……
(1)It’s wrng f yu t leave the machine (run) all the time.
(2)He fund his huse (break) int when he came back.
(3)The salesman caught the little by (steal).
Suggested answers:
1.I saw him running dwn the street.2.I felt an ant climbing ver my leg.3.I saw an ld man kncked dwn by a car just nw.
归纳总结:主动关系或者该动作正在进行;被动关系或者该动作已经完成
一、感官动词后非谓语做宾语补足语补充说明及归纳:
(1)sing;t sing (2)singing (3)spken
练习+观察判断+总结
frightened;cleaned;mended
三、动词leave,find,keep,catch后接非谓语动词作宾语补足语归纳总结:
(1)running;(2)brken;(3)stealing
Step 4:Glbal warming
T:Hell!Everyne. As we all knw, the earth is becming warmer and warmer. In fact, mre and mre peple are raising their awareness f slwing glbal warming, which is everyne’s duty.Hw can we d t deal with it?Lk at the pictures and expressins. Maybe yu can get sme ideas.
Share what yu knw abut these expressins.
Cmplete the brchure with the expressins in Activity 4 n Page 66.
Six things yu can d NOW t help stp glbal warming.
·Reduce waste by chsing reusable prducts—get a(n) 1. ,fr example.
·Try t reduce yur 2. .Walk r ride a bike instead f taking a car.
·Use 3. such as slar energy and wind pwer.
·The less energy yu use,the less carbn dixide is released.Replacing a regular light bulb with a(n) 4. is a great start.
·5. is imprtant because clean water is a limited resurce.Als,we use a lt f energy t prcess clean water.
·Planting trees can help a lt in reducing the 6. because trees absrb the carbn dixide in the air.
Suggested answers:
1.reusable water bttle 2.carbn ftprint 3.renewable energy 4.LED bulb 5.Water cnservatin 6.greenhuse effect
Step 5:Useful expressins
1.instead f 作为……的替换;而不是
2.slar energy 太阳能
wind pwer 风能
3.The less energy yu use,the less carbn dixide is released.
你使用的能量越少,释放的二氧化碳就越少。
用……代替……
5.a limited resurce 有限的资源
Step 6:Listening
Ⅰ.Listen t the tape and finish activity 7
Listen t the lecture and chse the tpics that are cvered.
1.What the wrd “smg” means.
2.When the wrd “smg” appeared.
3.What caused smg in the past.
4.What causes smg nw.
5.The effects f smg n the envirnment.
6.Hw gvernments try t reduce smg.
7.What will happen if we dn’t reduce smg.
Ⅱ.Listen again and try t fill in the blanks in activity 8
Smg in the past
·Term created in:1.
·Big prblem in Lndn:2. in December 1952
·Causes f the prblem:burning t much cal and 3.
Smg in the present
·Causes f the prblem:4. and factries
·Measures:rules abut using 5. in factries and 6. in the city centre.
回顾+复习+总结
1.All afternn he wrked with Tm (help) him.
2.The thief was brught in with his hands (tie)behind his back.
3.With s much hmewrk (finish),I can’t cme t the party tnight.
归纳总结:在“with+宾语+宾补”结构中,当介词的宾语和后面的动词构成主谓/主动进行关系时,则用现在分词(ding)做宾补;当介词的宾语和后面的动词构成被动完成关系时,则用过去分词(dne)做宾补。若侧重表示将来的动作或表示动作未发生,则用不定式(t d)做宾补。
宾语补足语大集合感官动词后非谓语作宾语补足语使役动词后非谓语作宾语补足语动词leave,find,keep,catch后非谓语作宾语补足语“with+宾语+宾补”结构
Suggested answers:
Ⅰ.1,2,3,4,6
Ⅱ 2.The Great Smg 3.n wind
4.chemicals cming frm traffic 5.chemicals 6.requirements f paying t drive
回顾+复习+总结
1.helping 2.tied 3.t finish
Step 7:Practice
1.Please read the passage and chse the crrect frm f the verbs.
Attracted/Attracting by mermaids since she was a child,Hannah Fraser created her first tail when she was nly nine years ld.Nw,she is a mdel and perfrmance artist devted/devting t cean cnservatin.She can be seen wrn/wearing mermaid clthing and dived/diving up t 50 feet underwater t swim with dlphins,sharks and whales.She appeared in The Cve,a dcumentary aiming at highlighting the cruelty f dlphin hunting.Besides perfrming and mdelling,Hannah travels the wrld given/giving presentatins and talks,getting mre peple invlved/invlving in the cnservatin f cean life.
2.Finish Activity 3 n Page 65.
Suggested answers:
1.Attracted;devted;wearing;diving;giving;invlved
2.Here,yu can see dramatic landscapes changing frm muntains t grasslands,frests t rivers.
In recent years,we have seen large areas f wetland damaged by human activity.
This includes keeping the riginal envirnment tuched.
Step8 Practice
Finish the fllwing exercises.
1.—There’s a hle in yur bag.
— I knw,I’m ging t have it (mend).
2.With a lt f difficult prblems (settle),the newly-elected president is having a hard time.
3.When I put my hand n his chest,I culd feel his heart still (beat).
4.He managed t make himself (understand)with his brken English.
5.With trees,flwers and grass (plant) everywhere,my native twn had taken n a new lk.
6.Dn’t leave the water (run) while yu brush yur teeth.
7.She was glad t see her child well (take)gd care f.
8.Yu will see this prduct (advertise) wherever yu g.
9.The questin (discuss) at the meeting yesterday is f quite imprtant.
10.They shuld understand the traffic rules by nw.Yu’ve had it (explain) ften enugh.
11.There are hundreds f visitrs (wait) in frnt f the Art Gallery t have a lk at Van Ggh’s paintings.
12.The flwers (smell) sweet in the btanic garden attract the visitrs t the beauty f nature.
13.He sent me an E-mail, (hpe)t get further infrmatin.
14. (make) this cake,yu’ll need 2 eggs,175g sugar and 175g flur.
15.When (cmpare)different cultures,we ften pay attentin nly t the differences withut nticing the similarities.
16.When (cmpare)t the peple,thse living in the cuntry have mre fresh air.
17.When (drive) t wrk,he (have)an accident.
Suggested answers:
1.mended 2.t settle 3.beating 4.understd 5.planted 6.running 7.taken 8.advertised 9.discussed 10.explained 11.waiting 12.smelling
13.hping 14.T make 15.cmparing 16.cmpared 17.driving;had
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