英语九年级全册Unit 13 We’re trying to save the earth!Section A教学设计

这是一份英语九年级全册Unit 13 We’re trying to save the earth!Section A教学设计，共5页。

Class Type
Listening and speaking
Objectives
T talk abut air pllutin, water pllutin and nise pllutin.
T think abut ways f prtecting the envirnment.
T learn t use the sentence patterns:used nw; shuld d sth.
Perid
1
Prcedure
Lead-in
Watch a shrt vide, and talk abut what students think f ur earth.
Step 1
Presentatin:Watch a shrt vide and try t answer: Will it be s beautiful in the future? Frm the vide, let students knw that the earth is plluted.
Watch the third vide and answer:What kind f pllutin can yu see in the vide?
D yu knw the different kinds f pllutin?
pllutin
water pllutin
air pllutin
nise pllutin
land pllutin
Lead students t talk abut reasns caused fur kinds f pllutin abve by presenting pictures. And talk abut the results f pllutin.
Activity 1a: Here are sme wrds related t different kinds f pllutin. Write them in the bx belw. Then add mre wrds.
Listen and answer the questin:
What kind f pllutin are Tny and Mark talking abut? __________________
Activity 1b: Listen and cmplete the sentences.
Listen again and answer the fllwing questins.
What des Tny want t d later this afternn?
2. Why desn’t Mark want t g with Tny?
3. Hw was the river in the past?
Activity 1c: Rle-play the cnversatin. Then make yur wn cnversatins abut the kinds f pllutin in 1a.
Activity 2a: Listen t the interview. Circle the kinds f pllutin that Jasn and Susan talk abut.
Activity 2b: Listen again and cmplete the sentences.
Activity 2c: Use the infrmatin in 2a and 2b t rle-play cnversatins between Jasn and Susan.
After listening, students think abut what we shuld d t save the earth by lking at sme pictures carefully.
Activity 2d: Read the cnversatin and cmplete the chart.
Prblems
Slving prblems
air pllutin
waste pllutin
Then rle-play the cnversatin.
Step 2
Summary:
1.We’re trying t save the earth!
我们正在竭尽全力拯救地球!
try t d = try ne’s best t d 努力去做某事
e.g. We’ll try t help him with English this year.
我们今年将努力帮助他学习英语。
2. Everyne in this twn shuld play a part in cleaning it up!
play a part in 在……方面起作用
Reading will play a large part in writing and speaking, s just read mre in yur spare time.
阅读将在写作和口语汇中发挥很大作用， 所以业余时间你就大量读书吧。
3. Even the bttm f the river was full f rubbish.
Yes, but peple are thrwing litter int the river.
litter和rubbish都可指“垃圾”，用作不可数名词。
litter指“（室内或公共场所）乱扔的废物（纸屑、不要的包装纸、废瓶等）”还可回收。
rubbish指“没用的东西（被扔或将要丢弃的无用的东西）”不可回收。
e.g. Dn’t wrry, I will thrw the rubbish ut when I g hme.
别担心，我回家时会把垃圾扔出去。
Yur rm is full f rubbish. Hw can yu stand that?
你房间里堆满了垃圾。你怎么能够忍受？
Let’s pick up ur litter after a picnic.
野餐后咱们将废弃物收拾好。
4. It’s gd fr health and it desn’t cst anything!
cst v. 花费；使付出，指花费金钱，主语通常是物。cst的过去式和过去分词均为cst。
e.g. The new shirt cst Mr Wang 200 yuan.
王先生花了200元买了新衬衫。
Hw much des yur new cmputer cst?
你的新电脑花了多少钱？
take, spend, pay & cst
take，spend，pay和cst都可以表示“花费”，
但它们的用法各有不同。
take多表示花费时间
常用于It takes sb. sme time t d sth.句型中，
其中it作形式主语。
e.g. It usually takes me 40 minutes t g t wrk n ft in the mrning.
spend多表示花费时间和金钱，主语常是人，
常用于sb. spend(s) sme time / mney n sth.
sb. spend(s) sme time / mney (in) ding sth.
两种句型。
e.g. David spent 2,000 yuan n a watch.
My father spends an hur (in) playing games with my little brther every day.
pay多表示花费金钱，主语通常是人，常用于sb.
pay(s) sme mney fr sth.句型。
e.g. David paid 2,000 yuan fr a watch.
cst多表示花费金钱，主语通常是物，常用于sth.
cst(s) (sb.) sme mney.句型。
e.g. The new dress cst me 188 yuan.
根据句意用take, spend, pay或cst的适当形式填空。
1. That new car ________ them lts f mney.
2. Mike __________ 50 yuan n these bks just nw.
3. It usually _______ us an hur t d hmewrk every evening.
4. Yu shuld __________ sme time learning English and math.
5. My brther _______ 6, 000 yuan fr a secnd hand car last week.
5. S tgether, ur actins can make a difference and lead t a better future!
make a difference (t…)
表示(对……)产生影响或作用
e.g. Learning English well can make a difference t yur future.
学好英语会对你的前途有影响。
Step 3
Exercises:
Ⅰ.根据句意，从方框中选择恰当的单词填空，有的需要变换形式。
bin, cst, cal, fisherman, take away
1. A ht ________ fell ut f the fire and burnt the carpet (地毯).
2. A __________ is ht cked fd that yu buy frm a shp r restaurant and eat smewhere else.
3. D yu want this r shall I thrw it in the ________?
4. Writing such a lng nvel ________ much time and patience.
5. Lk! Sme ____________ are catching fish ver there.
Ⅱ.根据汉语意思完成英语句子。
1. 工人们正在竭尽全力降低事故率。
The wrkers are ding all they can ___________ the accident rate.
2. 左边第二个房间里堆满了书。
The secnd rm n the left is _________________bks.
3. 你应该向那些参与挽救病人的医生道谢。
Yu shuld say thanks t thse dctrs wh have _________________ saving the patient.
4. 拉里将去开会，而不是我。
Larry will g t the meeting __________ me.
5. 我的目的是把这件坏事变成好事。
My purpse is t ________ this bad thing ________ a gd ne.
6. 保持教室干净是我们的责任。
It’s ur duty t ________ the classrm_______.
7. 我们小区的噪音污染很严重。
The _________________ in ur neighbrhd is very serius.
Ⅲ.汉译英。
我尽量今天晚上看完这本书。
他在足球赛中其重要作用。
中考链接:
Many jbs require peple wh are gd at English. If yur English is gd, yu will have ne mre ______ when searching fr jbs.
methd B. interest
C. advantage D. examinatin
2. —The teenagers clean up the city park every Saturday.
—Smetimes small things can make a _______.
A. prmise B. cnversatin
C. difference D. discussin
Step 4
Hmewrk:
完成课前预习与课后跟踪练习。