初中英语鲁教版 (五四制)九年级全册Section A课前预习课件ppt

这是一份初中英语鲁教版 (五四制)九年级全册Section A课前预习课件ppt，共33页。PPT课件主要包含了Lead in，loud music，rubbish，cars，planes，littering，ships，factories，smoking，dirty等内容，欢迎下载使用。

nise pllutin
air pllutin
water pllutin
land pllutin
1a Here are sme wrds related t different kinds f pllutin. Write them in the bx belw. Then add mre wrds.
building huses
mbile phnes
1b Listen and cmplete the sentences.
1c. Rle-play the cnversatin. Then make yur wn cnversatins abut the kinds f pllutin in 1a.
Mark: The river was dirty. Even the bttm f the river was full f rubbish.Tny: But it used t be s clean!Mark: Yes, but peple are thrwing litter int the river.Tny: Everyne in this twn shuld play a part in cleaning it up!
play a part in ding sth. 在……中起作用
2a. Listen t the interview. Circle the kinds f pllutin that Jasn and Susan talk abut.
2b. Listen again and cmplete the sentences.1. The air is badly plluted because there are______________ n the rad these days.2. Factries that burn cal als___________ the air with a lt f black smke.3. There is als t much rubbish and waste. Peple___________________ things every day.4. Peple are als littering in_______________ like parks. This is turning beautiful places int ugly nes.
A. land pllutin B. air pllutin C. nise pllutin D. water pllutin
are thrwing away
public places
2c. Use the infrmatin in 2a and 2b t rle-play cnversatins between Jasn and Susan.
Jasn: The air has becme really plluted arund here. I'm getting very wrried.Susan: Yes, I used t be able t see stars in the sky.Jasn: The prblem is that ...
be able t 能；会
2d. Rle-play the cnversatin.
Interviewer: Jasn and Susan, what are yur ideas fr slving these prblems?Jasn: Well, t cut dwn air pllutin, we shuld take the bus r subway instead f driving.Susan: Yeah, r ride a bike. There are ther advantages f bike riding. It's gd fr health and it desn't cst anything!Interviewer: Great ideas! What abut waste pllutin?Susan: Mmm, I think simple things like bringing a bag t g shpping can help. I started ding that a year ag.
Jasn: Me, t. Als, I never take wden chpsticks r plastic frks when I buy takeaway fd. I use the nes at hme.Susan: And remember t thrw rubbish in the bins and keep public places clean and beautiful fr everyne.Interviewer: S tgether, ur actins can make a difference and lead t a better future!
Languages pints
1. Well, t cut dwn air pllutin, we shuld take the bus r subway instead f driving.为了减少空气污染，我们应该乘公共汽车或地铁，而不是开车。（1）cut dwn意为“减少，缩减；砍倒（树木）”。cut的其他常用搭配：cut in插嘴 cut ut剪下 cut up切碎（2）instead f意为“代替；而不是”，f是介词。
◆即学即练①He _____ the tree and cut it up fr firewd. A. cut dwn B. cut up C. cut ut D. cut in②—Let's g hiking ______ staying at hme, shall we?—Gd idea.A. instead f B. in rder t C. as well as D. in additin t答案：①A ②A
2.cst动词，意为“花费”，作名词时意为“花费；价钱”。◆易混辨析人+spend+时间/金钱+(in) ding或者人+spend+时间/金钱+n+sth.人+pay+金钱+fr+某物某物+cst+人+金钱It takes +人+时间+ t d sth. ◆即学即练用spend，cst，pay翻译下列句子我花了10元买这支钢笔。________________________________________答案：I spent ten yuan buying/n the pen.The pen cst me ten yuan.I paid ten yuan fr the pen.
3. S tgether, ur actins can make a difference and lead t a better future!所以只要一起，我们的行动就会产生效果，创造一个更好的未来！（1）make a difference意为“起作用；有影响”，difference前可以加great等形容词，也可加n，表示否定意义；在否定句中a改为any。例如：Whatever she did, it made n difference.不管她做了什么都没有影响。（2）lead t意为“导致；通向”。例如：This path leads t the next village. 这条小路通往邻近的村子。
◆即学即练①它不会对这个世界造成影响。It wuldn't ______ _______ _______ t the wrld.②辛勤工作能带来成功，失败在于懒惰。Hard wrk _______ ________ success and failure ften lies in laziness.答案：①make any difference
Save the Sharks! Many have heard f shark fin sup. This famus and expensive dish is especially ppular in suthern China. But d yu realize that yu're killing a whle shark each time yu enjy a bwl f shark's fin sup? When peple catch sharks, they cut ff their fins and thrw the shark back int the cean. This is nt nly cruel，but als harmful t the envirnment. Withut a fin, a shark can n lnger swim and slwly dies. Sharks are at the tp f the fd chain in the cean's ecsystem. If their numbers drp t lw, it will bring danger t all cean life.
Many believe that sharks can never be endangered because they are the strngest in their fd chain. But in fact, arund 70 millin sharks are caught and traded in this industry every year. The numbers f sme kinds f sharks have fallen by ver 90 percent in the last 20 t 30 years. Envirnmental prtectin grups arund the wrld, such as WildAid and the WWF, are teaching the public abut “finning”. They have even asked gvernments t develp laws t stp the sale f shark fins. S far, n scientific studies have shwn that shark fins are gd fr health, s why eat them? Help save the sharks!
3a.Read the passage abut sharks and cmplete the fact sheet belw.
Arund 70 millin.
Over 90 percent.
Wild Aid and the WWF.
In suthern China.
3b. Read the passage again and fill in the blanks with the wrds in the bx.
1. Many peple d nt realize they are killing a whle shark _____ they enjy a bwl f shark fin sup.2. Sharks are at the tp f the fd chain, _____ if their numbers drp, the cean's ecsystem will be in danger.3. Many think that sharks are t strng t be endangered, _____ they are wrng.4. _________there are n scientific studies t supprt this, a lt f peple believe that shark fins are gd fr health.5. Sharks may disappear ne day_____ we d nt d smething t stp the sale f shark fins.
Grammar Fcus
4a Fill in the blanks with the crrect frms f the verbs in brackets.
Je: ________yu ever________ (take) part in an envirnmental prject?Ken: Yes, I have. I_________ (help) with a Clean-Up Day last year. It was___________ (cnsider) the biggest clean-up prject this city______ ever______ (have).Je: Hw many peple________ (take) part?Ken: I _______(think) mre than 1,000 peple _________(cme) t help ut.Je: That's fantastic! I guess everyne in this city is________ (try) t imprve the envirnment.Ken: Yes, we can't affrd t _______(wait) any lnger t take actin!
4b. Fill in the blanks with the apprpriate mdal verbs 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 in sme stres. 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!
用所给词的适当形式填空。1.Plastic bags are _____(harm) t the _____(pay) fr my driving lessns last Mnday. 3.My sister can't affrd ____(buy) the car was chsen t take part in the _____(science) can als use ____(reuse) bags instead f plastic bags.答案：1. harmful
4.scientific
Guessing Game: Can yu guess what animals they are?
1. They lk like a cw, but they live in the water.2 . They are furry enugh t keep ut the cld. They are all white and nly live in the Nrth Ple.
3. They are enrmus and have lng trunks. They live in Africa and Sutheast Asia.4. They nly live in Australia and have pckets t keep their babies safe.5. They lk like mnkeys but are bigger than mnkeys. They can imitate what peple are sptted and aggressive. They run fast.
7.They live nly in China and eat bamb.
8. They are shy, have red eyes, like eating carrts and can run fast.
10 .They can learn t speak. They're playful.
9. They are sft and have lng bdies. They can “walk”quickly n the water withut feet.
D yu think they are happy?
D yu think zs are gd fr animals?
Hmewrk Write a passage t give yur wn pinins n envirnmental prtectin.
Facts speak luder than elquence. 事实胜于雄辩。