英语九年级全册Unit 13 We’re trying to save the earth!Section A说课ppt课件

这是一份英语九年级全册Unit 13 We’re trying to save the earth!Section A说课ppt课件，共57页。PPT课件主要包含了Dangerous，should，Why，Language，Points等内容，欢迎下载使用。
D yu enjy cean？
The cean is beautiful because f the diversity (多样性) f life.
What is the king f the sea?
N predatrs （天敌）
save sharks
Fast reading
Find ut the main ideas in each paragraph.
Smething abut shark fin sup.
Sharks are endangered.
Help save the sharks.
Read the passage abut sharks and cmplete the fact sheet belw.
Where shark fin sup is ppular:__________________________Number f sharks caught and traded every year:_____________________
Hw gverments can help:__________________________Tw envirnmental grups against“finning”:____________________
In suthern China
Arund 70 millin
T develp laws t stp the sale f shark fins
WildAid and WWF
Careful reading
What is shark's fin sup?
What is shark's fin sup made f?
It is made f shark fins.
What d yu knw abut this dish?
Frm Para 1, what des it mean t enjy a bwl f shark's fin sup?
It means that yu're killinga whle shark.
When peple catch sharks ,they cut ff their fins and thrw the sharks back int the cean.
They can n lnger swim and slwly dies.
at the tp f
bring danger t
Why d peple eat shark fin's sup?
It is expensive, it is like a symbl f status(地位) .
Peple think it is gd fr their health.
Millins f tns f waste enter the ceans every year,plluting the seas，messing the beaches and endangering wildlife.Sme litter is eaten by fishes and ther sea animals, and then they enter the fd chain.
what des the passage want t tell us?
at the tp f the fd chain
catch ff...
n lnger swim
arund 70 caught and traded
bring danger
kinds f sharks have 90%
1. Learn as much as yu can abut sharks.2. Dn't use shark prducts.3. Reduce yur seafd cnsumptin.4. Reduce,Reuse,Recycle.5. Dnate and vlunteer with shark cnversatin rganizatin.6. Call n the peple arund yu t prtect the sharks.
3b Read the passage again and fill in the blanks with the wrds in the bx.
1. heard f / abut 听说2. a bwl f 一碗3. cut ff 切除4. thrw back 扔回5. nt nly ... but als... 不但...而且 be harmful t 对...有害7. n lnger 不再8. at the tp f 在...顶部...
9. the fd chain 食物链10. cean ecsystem 海洋系统11. bring danger t sb. 给某人带来危险12. in fact 事实上13. the numbers f ...的数量14. fall by 下降了15. Envirnmantal prtectin 环境保护组织 grup
16. develp laws 立法17. the sale f ...的售卖18. s far 到目前为止19.scientific studies 科学研究
But d yu realize that yu're killing a whle shark each time yu enjy a bwl f shark fin sup.
each time 每一次的...时候，引导时间状语从句
This is nt nly cruel, but als harmful t the envirnment.
be harmful t 对...有害
Many believe that sharks can never be endangered because they are the strngest in their fd chain.
endangered: adj. 濒临灭绝的dangerus ： adj. 危险的danger： n. 危险，威胁
Tw envirnmental grups against “ finning”.
GrammarFcus
读一读，并说出每一个句子所用到的时态或者语态。
1. 什么时候用现在进行时？2.现在进行时的结构是什么？3.现在进行时的标志性词语有哪些？4.现在分词的构成规则有哪些？
1. 现在完成时态的用法有哪些？2.现在完成时的结构是什么？3.现在完成时的标志词有哪些？4.过去分词有哪些构成规则？
1. 主动语态和被动语态有什么区别？2.被动语态的构成是什么？3.一般现在时，一般过去时，一般将来时和 情态动词的被动语态结构分别是什么？
1. 情态动词有无人称的变化？2.情态动词后接动词的什么形式？3.你知道的情态动词有哪些？ 各代表什么意思？
1. used t 表示什么意思？后接什么？2.used t 句型的否定句和一般疑问句的 形式是什么？3.used t 和 be used t 的区别？
A. 现在进行时表示（说话瞬间）________或 ______的动作，也可以表示当前________的活 动或现阶段________的动作。B.谓语构成： __________________C. 标志性词汇： _________, _________,_________ _______etc.
be（am/is/are）+ v.-ing
D. 现在分词的构成: a.一般情况下在动词词尾加______. 如：g — ging b. 以不发音e结尾的动词，__________. 如： have— having c. 以一个辅音字母结尾的重读闭音节，__________, 再加______。 如： stp —stpping。
A. 现在完成时的用法：表示动作_______, 但对现在_______. 或者表示从过去某一点时间开始________ 到现在并还可 能_____________的动作。B.现在完成时的结构：________________C. 标志性词汇：_______, _______, _______,befre , s far , fr + 时间段，since + 时间点 etc.
have/has + 过去分词
D. 过去分词的构成： a.一般情况下，在动词后面加_____。如：wrk—wrked b.在-e结尾的动词后只加______。 如：clse — clsed C. 在以辅音字母加y结尾的动词，应将__________。 如：study — studied D：以重读闭音节结尾的动词，要_____末尾的辅音字母再加 ______。 如：stp — stpped
D. 过去分词的构成： e.不规则动词的过去分词: AAA型 put put put AAB型 beat beat beat ABA型 becme became becme ABB型 get gt gtten ABC型 begin began begun
A.主动语态和被动语态区别： 主动语态表示主语是动作的______。 被动语态表示主语是动作的_______，即行为动作的对象 B.被动语态的构成：____________。 C.一般现在时被动语态：____________+过去分词 一般过去时被动语态：____________+过去分词 一般将来时被动语态：____________+过去分词 情态动词的被动语态：can/culd/may/might shuld/must+______ + _____
will/be ging t
A: 情态动词通常______（有/无）人称和数的变化。 B： 情态动词后接_______。 C: 情态动词有：________能够； ________可能、可以； ________需要： ________不得不； ________愿意、将要； _______将(第一人称) ； _______应该； _______必须
A：used t表示_______________，后接___________。B: used t句型的否定句是___________， 一般疑问句的形式______________________?C: used t和be used t的区别： used t d表示_________________， 而现在往往不做了； be used t ding表示_____________; be used t d 表示_____________。
didn't use t
Did + 主语+ use t
1)用括号中所给动词的正确形式填空。
①The girls____________(dance) in the classrm.②It's 5 'clck nw.Mike____________(have) dinner.③—______ yu ever_____(be) t the US?. — Yes， twice. ④—May I speak t Jhn? —Srry，he_____(g) t NewYrk.He will be back in tw days.⑤—D yu knw Mr.White well? —Yes.He _________ (wrk) fr the WWF fr tw years.
are dancing
⑥ I_________ (live) here since 1999.⑦—D yu f en clean yur classrm? —Yes.Our classrm________(clean) everyday.⑧—Did yu gt Jack's birthdayparty? —N，I___________ (nt invite) .⑨—What is this? —It'saCD.This CD_______(use) fr learning English.⑩A new highway in my hmetwn_______ (build) next mnth
was invited
will be built
2)情态动词练习：根据题意选择最适合的情态动词。
①—_____yu pass me a pen?I'd like t write dwn the phne number. —Sure.Here it is. A.Can B.Need C.Might D.Must②—May I g t the cinema， Mm? —Certainly， but yu_____ be back by 11 'clck. A.can B.may C.must D.need③Yu_____ wrry abut me.It's nthing serius. A.can't B.mustn't C.needn't D.wn't
④—Excuse me.Is this the right way t the Summer Palace? —Srry，I'm nt sure.But it_____be. A.might B.mustn't C.can't D.must⑤The man in the ffice_____be Mr.Black， because he went hme just nw. A.mustn't B.may nt C.can't D.needn't
3)used t d 练习
A.她过去常常周末和朋友闲逛She____________________with friends n weekends.B他习惯于每天晚上睡得很晚。He____________________at used t be afraid f dgs.(改为一般疑问句)___________________________________?
used t hang ut
is used t sleeping late / staying up
Did Ken use t be afraid f dgs
4a. Fill in the blanks with the crrect frms f the verbs in brackets.
4b. Fill in the blanks with the apprpriate md verbs(情态动词) frm the bx.
Peple _______think that big things_______ be dne t save the earth. Many frget that saving the earth begins with small things. Fr example, yu_______ save electricity by turning ff the lights when yu leave a rm. Yu _________als use reusable bags instead f plastic bags. I think it's a great idea that yu nw ________ pay fr plastic bags. And instead f driving t schl r wrk, yu ____________ride yur bike r walk. If it's far, yu ___________take the bus. All these small things _______add up and becme big things that _________imprve the envirnment. Let's take actin nw!
must/have t
can/culd/shuld
can/culd/wuld
4C. Make a list f things that peple can d t help the envirnment and discuss yur list with yur partner.
Use public transprtatin________________________________________