九年級英語全冊Unit13We’retryingtosavetheearth教學(xué)

1、Section ASection B in this town should play a part in cleaning it up!(教材P97)這個鎮(zhèn)上的每個人都應(yīng)該參與清理河流!解讀 play a part in意為“參與;在方面起作用”,后跟名詞、代詞或動詞-ing形式作賓語。He didnt play a part in the competition at all.他根本沒有參加這次比賽。A good diet plays a large part in helping people live longer.健康的飲食在幫助人們長壽方面起著非常大的作用。拓展:take part

2、 in 意為“參加”。In early days only male athletes were allowed to take part in the Olympic Games.在奧林匹克運(yùn)動會早期,只有男性運(yùn)動員才能參加比賽。Section ASection B,to cut down air pollution,we should take the bus or subway instead of driving.(教材P98)嗯,為了減少空氣污染,我們應(yīng)該乘坐公共汽車或者地鐵,而不是開車。解讀1 cut down 意為“減少”;是“動詞+副詞”結(jié)構(gòu)的短語,所帶的賓語為名詞時,賓語可位

3、于down的前面或后面;為代詞時,只能位于down的前面。Youd better cut the article down to about 2,000 words.你最好能把這篇文章縮到兩千字左右。Section ASection B拓展:(1)cut down 還可意為“砍倒”。They cut down the big tree.他們砍倒了這棵大樹。(2)cut的有關(guān)短語Section ASection BSection ASection BSection ASection B解讀2 instead of 意為“代替;反而”,介詞短語,后跟名詞、代詞或動詞-ing形式。I gave hi

4、m advice instead of money.我給了他忠告,而不是錢。Now I can walk to work instead of going by car.現(xiàn)在我可以步行去上班,而不必開車了。拓展:instead副詞,意為“相反;而不是”。 If you cant go,I will go instead.如果你不能去,我替你去。Section ASection B3.Its good for health and it doesnt cost anything!(教材P98)它對身體有好處并且不會花費(fèi)任何東西。解讀 cost動詞,意為“花費(fèi)”。How much do the v

5、egetables cost?這些蔬菜值多少錢?Thats a beautiful leather wallet,but it costs too much.那個皮夾子很漂亮,但是價錢太貴了。拓展:cost還可作名詞,意為“花費(fèi);價錢”。The cost of living has gone up again.生活費(fèi)用又上漲了。Section ASection B易混辨析Section ASection BSection ASection BSection ASection B名師解題 Section ASection BSection ASection B,I never take wood

6、en chopsticks or plastic forks when I buy takeaway food.(教材P98)還有,當(dāng)我買外賣食物時我從來不拿木筷或塑料叉。解讀 wooden形容詞,意為“木制的;木頭的”。He has two old wooden tables.他有兩張老式的木制桌子。Thats not plasticIts wooden.那不是塑料的它是木頭的。拓展:wood名詞,意為“木頭”。He put some more wood on the fire.他又往火上加了些木頭。Section ASection B have heard of shark fin sou

7、p.(教材P99)很多人都聽說過魚翅湯。解讀 hear of 意為“聽說”,相當(dāng)于hear about。Have you ever heard of/about this matter?你聽說過這件事嗎?Section ASection BSection ASection BSection ASection B a fin,a shark can no longer swim and slowly dies.(教材P99)沒有了魚鰭,鯊魚就不能再游泳并會慢慢死去。解讀 no longer意為“不再”,相當(dāng)于not.any longer,側(cè)重時間上“不再”。 Im no longer a stu

8、dent.我不再是個學(xué)生了。 He no longer lives here.= He doesnt live here any longer.他不在這兒居住了。拓展:no more/not.any more意為“不再”,側(cè)重程度和數(shù)量。 You can drink no more.= You cant drink any more.你不能再喝了。Section ASection B you ever taken part in an environmental project?(教材P100)你曾經(jīng)參加過環(huán)境保護(hù)活動嗎?解讀 take part in意為“參加”。Many parents w

9、ere invited to take part in the pageant.很多家長被邀請參加這次盛典。Section ASection B易混辨析Section ASection BSection ASection B名師解題 Section ASection BSection ASection B,we cant afford to wait any longer to take action!(教材P100)是的,我們不能再等了,行動起來吧。解讀 afford動詞,意為“承擔(dān)得起;買得起”,常與can或could連用,后跟名詞、代詞或動詞不定式作賓語。The car is too e

10、xpensive for me.I cant afford it.這汽車對我來說太貴,我買不起。He cant afford to buy the house.他買不起這棟房子。Section ASection B名師解題 Section ASection BSection ASection B example,you could/should save electricity by turning off the lights when you leave a room.(教材P100)例如,當(dāng)你離開房間的時候,你可以/應(yīng)該關(guān)燈以節(jié)約用電。解讀 turn off 意為“關(guān)掉”,代詞作賓語時,

11、放在短語的中間;其反義詞turn on,意為“打開”。Please turn the television off before you go to bed.睡覺前請關(guān)掉電視。Section ASection B易混辨析Section ASection BSection ASection B拓展:turn相關(guān)短語turn up調(diào)高(音量)turn down調(diào)低;拒絕turn into 變成;進(jìn)入 turn on 打開Section ASection B think its a great idea that you now have to pay for plastic bags in som

12、e stores.(教材P100)現(xiàn)在在這些商店你不得不花錢買塑料袋,我認(rèn)為這是很好的主意。解讀1 Its a great idea that.句型中,it是形式主語,真正的主語是that引導(dǎo)的從句。It is a surprise that you gave such an answer to the question.你對這個問題做了這樣的回答,這令人吃驚。拓展:Its a pity that.意為“是可惜的”。Its a pity that he cant come.很遺憾他不能來。Section ASection B解讀2 pay for意為“付費(fèi);付出代價”。You get what

13、 you pay for.一分錢一分貨。Youll have to pay for what you have done.你將不得不為你的行為付出代價。Section ASection B名師解題 Section ASection BSection ASection BSection ASection B you often throw away things you dont need anymore?(教材P102)你經(jīng)常扔掉你不再需要的東西嗎?解讀 throw away意為“扔掉,拋棄”。He threw away the old sofa.他把舊沙發(fā)扔掉了。I never throw

14、anything away.我從來不扔任何東西。拓展:throw away還可以意為“錯過;浪費(fèi)”。Dont throw away this opportunity.不要錯過這個機(jī)會。It will be time and money thrown away.這將是浪費(fèi)時間和金錢。Section ASection B you ever thought about how these things can actually be put to good use?(教材P102)你有沒有想過實(shí)際上這些東西可以怎樣被好好地利用?解讀 put sth.to good use意為“好好利用某物”,相當(dāng)于

15、make good use of sth.。Your creative talents can also be put to good use,if you can work up the energy.如果你能讓自己精力充沛起來,你的創(chuàng)作才能也能得到很好的發(fā)揮。Section ASection B lives in a house in the UK that she built herself out of rubbish.(教材P102)她住在英國,房子是她自己用廢棄物建造而成的。解讀 build/make.out of 意為“用建造/制造”。He built a model ship

16、out of wood.他用木頭造了個模型船。Some birds build nests out of twigs.一些鳥用小枝筑巢。Section ASection B windows and doors come from old buildings around her town that were pulled down.(教材P102)窗戶和門都取自她城鎮(zhèn)周邊被拆除掉的舊建筑。解讀 pull.down意為“拆下;摧毀”。The cinema she used to visit had been pulled down.她常去的那家電影院已經(jīng)拆除了。拓展:pull down還可意為“

17、把拉下”。People who live in glass houses should pull down the blinds(窗簾).住在玻璃房子里的人們,理應(yīng)放下窗簾。Section ASection B名師解題 Section ASection BSection ASection B top of the house is an old boat turned upside down.(教材P102)房子的頂部是一條翻轉(zhuǎn)過來的舊船。解讀 turned upside down 意為“被翻轉(zhuǎn)過來的;被顛倒過來的”,作后置定語修飾boat。upside down意為“上下顛倒;倒轉(zhuǎn)”。Ton

18、y had an upside-down map of Britain on his wall.托尼的墻上倒掛了一張英國地圖。The lid,turned upside down,served as a coffee table.那個蓋子被翻過來當(dāng)作咖啡桌。Section ASection B is known for using iron and other materials from old cars to make beautiful art pieces.(教材P102)他以使用從舊汽車上拆下的鐵和其他材料做成美麗的藝術(shù)品而出名。解讀 be known for意為“因而出名”。He

19、is known for his profound(淵博的) knowledge.他以學(xué)問淵博而出名。拓展:be known as意為“作為而出名”。Zhou Jielun is known as a rap singer.周杰倫是作為一個說唱歌手而出名。 Section ASection BSection ASection B more popular works can even been seen in art shops around the city.(教材P102)更受歡迎的藝術(shù)品甚至可以在全市的藝術(shù)品商店里看得到。解讀 work可數(shù)名詞,意為“(音樂、藝術(shù))作品;著作”。 He

20、has read many of Hemingways works.他讀過許多海明威的作品。聯(lián)想:work可作不可數(shù)名詞,意為“工作”,也可作動詞,意為“工作”。There is plenty of work to be done in the garden.園子里有許多工作要做。He has worked in the factory since last year.從去年開始,他就在工廠里工作。Section ASection B8.Not only can the art bring happiness to others,but it also shows that even cold

21、,hard iron can be brought back to life with a little creativity.(教材P102)不僅藝術(shù)品能給人們帶來快樂,而且冰冷堅硬的鋼鐵在藝術(shù)創(chuàng)作下也恢復(fù)了生命。解讀 not only.but also.意為“不但而且”,not only位于句首時,前一個分句要部分倒裝。Not only had the poor man been fined,but also he had been sent to prison.這個可憐的人不僅被罰款,而且還被送進(jìn)了監(jiān)獄。拓展:not only.but also.連接兩個并列的主語時,謂語動詞的數(shù)應(yīng)與but also后主語的數(shù)保持一致,即“就近原則”。Not only you but also Mr.Zhang teaches in this college.不僅你,張老師也在此學(xué)院教書。語法復(fù)習(xí)本單元復(fù)習(xí)現(xiàn)在進(jìn)行時、被動語態(tài)和現(xiàn)在完成時。一、現(xiàn)在進(jìn)行時(1)含義:表示正在發(fā)生或進(jìn)行的動