人教版 (2019)必修 第二册Unit 2 Wildlife protection公开课ppt课件
展开Underline the present cntinuus passive vice in the sentences and discuss its functin. ·African elephants are being hunted. ·What is being dne t help them? ·What measures are being taken t help them? Find mre sentences with the same verb frm in this unit. ·They are being hunted,illegally,fr their valuable fur. ·Much is being dne t prtect wildlife.
1 I’m(wrking/being wrked)at hme tday because my ffice is (painted/being painted). 2 The alarming reprt is(written/being written). It will be finished sn. 3 What part f the city is(attacked/being attacked)nw? 4 Right nw,the deer are(watched/being watched)ver by many vlunteers. 5 Wh is(hunting/being hunted)the kangars? Where are they(hunted/being hunted)? 6 It is reprted that living spaces fr wildlife are(reduced/ being reduced)due t the cutting f trees.
Chse the suitable verb frms t cmplete the sentences.
In the wetland f my hmetwn,there are many different kinds f animals, including wild birds,fish,snakes,insects and s n. When I was in primary schl,I ften went there with my friends t watch the birds and study them. That was an interesting place fr all f us. But things have begun t change in recent years. Small birds (catch)with nets. Wild ducks ________ (sell)at fd markets. Fish and snakes (kill)fr fd in restaurants. And even wrse,the wetland (destry). Sme parts (cver)with new huses. Yu can see rubbish everywhere. The wetland (pllute)seriusly every day. I am very wrried abut it. What can we d?
Liu Ta wuld like t express his cncern ver the wetland in his hmetwn. Help him finish the passage with the present cntinuus passive vice f the verbs in brackets.
are being caught
are being sld
are being killed
is being destryed
are being cvered
is being plluted
1A new library_______________(build) in ur schl. It will pen next year.2 Cnservatin prgrammes fr wild animals_________________ (discuss) in Australia nw.3 What _______________(d) in yur twn t prtect lcal wildlife?4 Dn't wrry. Measures____________________(take) t stp such a thing frm happening again.5 I _______________ (tell) that my ID and passwrd are nt wrking. What shuld I d nw?6 Mum, my cmputer _______________ (fix). Can I use yurs fr a while?7 It is believed that many plant species _____________________ (threaten) with extinctin.
Cmplete the sentences with the crrect frms f the given verbs.
(WORKBOOK P68 EX. 1)
is being built
are being discussed
is being dne
are being taken
am being tld
is being fixed
are being threatened
1 The z is pening a new area fr the tw baby elephants.2 The dctrs are nt examining the patient.3 They are raising mre funds fr research int wildlife prtectin.4 The city is setting up a new nature reserve fr endangered animals.5 Tday we are cmpleting ur writing task nline.
Rewrite the sentences using the present cntinuus passive vice.
(WORKBOOK P68 EX. 2)
A new area is being pened fr the tw baby elephants(by the z).
The patient is nt being examined(by the dctrs).
Mre funds are being raised fr research int wildlife prtectin.
A new nature reserve is being set up fr endangered animals in/by the city.
Tday ur writing task is being cmpleted nline.
The balance f nature n ur planet___________________(threaten) as a large number f species__________________ (drive) t extinctin. Sme scientists predict that half f all ur plants and animals will be extinct by 2100. The questin is why these species __________________ (endanger).One f the main reasns is lss f habitat. Animal habitats __________________(destry) as humans search fr mre natural resurces t cnsume (消费). Mre land__________________ (als use) fr grwing crps r keeping livestck( 家畜).In additin, massive amunts f waste__________________(prduce) by humans, which are plluting animal habitats. Harmful chemicals__________________ (create) by human activities
Read and cmplete the passage abut wildlife prtectin with the crrect verb frms in brackets.
(WORKBOOK P69 EX. 4)
is being threatened
are being driven
are being endangered
are being destryed
is als being used
are being prduced
are being released int the air, water, and sil. The whle f nature__________________ (affect) by human beings.Hwever, much has been dne and__________________ (still d) t save endangered species. Many prgrammes__________________ (design)t preserve the ppulatins f endangered species. In my pinin, there is still hpe that humans can live in harmny with all things n the earth.
is being affected
is still being dne
are being designed
Hell, everyne! I've just cme back frm a wnderful trip t Tibet. It was s beautiful there that_____.The scenery was s impressive and the air was s fresh and clean. ____ Hwever, _____ .Cans ____ as they pass thrugh Tibet. I wrry abut the effect this will have n the lcal wildlife. _____We shuld all think abut this.
Cmplete the speech with the crrect sentences r clauses. Then discuss pssible slutins in grups.
(WORKBOOK P69 EX. 5)
A Visitrs are being tld t pay mre attentin t prtecting the envirnment.B this beautiful cuntryside is being spiled by careless visitrsC paper and plastic bags are still being thrwn away by many tur grupsD Hw can we make visitrs mre aware f the damage that is being dne t the envirnment?E I felt I was in a fairyland(仙境)
What d yu knw is being dne in yur neighburhd t prtect animals and plants? What suggestins d yu have?
In grups,discuss the questins belw. Prepare t give a presentatin f yur ideas t the class.
参考答案A:What is being dne in ur neighburhd t prtect animals and plants? B:Well,the ld trees in the park are being prtected. A:Oh yes. They are being prtected nt nly because they are very ld but als because they are the natural habitat fr sngbirds. C:That’s right. Perhaps they culd help prtect the birds by making the rads arund the park free frm cars. D:Yes,that wuld certainly help make the air cleaner fr them...
单元语法 现在进行时的被动语态1 构成肯定式:主语+am/is /are+being dne. 否定式:主语+am/is /are nt+being dne. 一般疑问式:Am /Is /Are+ 主语+being dne? 特殊疑问式:疑问词 +am/is/are+(主语+)being dne? At present,lts f fd,water,tents and medicine are being sent t the disaster-hit area. 目前,大量的食物、水、帐篷和药品正被送往灾区。[词汇复现] What measures are being taken t prtect the endangered animals? 采取了什么措施来保护濒危动物?[词汇复现]
2 用法(1)表示说话时正在进行的被动动作。She is being examined by the dctr nw. 她现在正在接受医生的检查。(2)表示现阶段正在进行的被动动作,说话时不一定在进行。A new gallery is being built. 一个新的画廊正在建造中。[词汇复现] (3)表示一种经常性的被动行为,常与 always,cnstantly,frequently 等表示频度的副词连用,带有赞赏或厌恶等感情色彩。The girl is always being praised by her teachers. 这个女孩总是受到老师的表扬。(4)表示按计划或安排将要发生的被动动作(仅限于少数及物动词)。Sme classical music is being played by them next. 下面将由他们演奏一些古典音乐。[词汇复现]
3 注意事项(1)一些表示状态、心理活动、拥有、存在等的动词,如 have,want, need,lve,realize 等,一般不用于进行时,因而也没有进行时的被动语态,而常用一般现在时的被动语态表示此刻或目前主语正承受谓语动词表示的动作。Mary,cme here. Yu’re being wanted n the phne. (×) Mary,cme here. Yu’re wanted n the phne. (√) 玛丽,过来,有你的电话。(2)少数动词用于现在进行时态,用主动形式表示被动含义,如 print,ck,fry,hang,build,make 等。The meat is cking. 肉正煮着。
(3)“be + in /n /under + 名词”常含被动意义,可代替现在进行时的被动语态。The prblem is under discussin nw. = The prblem is being discussed nw. 现在这个问题正在讨论中。(4)因为被动语态的基本结构为 be dne,不少学生误将现在进行时 的被动语态结构“am/is/are + being dne”写成一般现在时的被动语态结构“am/is/are + dne”。Lk! The rad is built.(×) Lk! The rad is being built.(√) 瞧,这条道路正在建设中。The dinner is prepared by Christina.(×) The dinner is being prepared by Christina.(√) 晚宴正由克里斯蒂娜准备着。
【学法点拨】 现在进行时的被动语态与现在分词的被动式 being dne 均可表示正在进行的被动动作,因此它们之间可以相互转换。The man wh is being surrunded by crwds is a famus architect. =The man being surrunded by crwds is a famus architect. 被人群包围的那个人是一位著名的建筑师。[词汇复现] 【误区警示】 非谓语动词的被动形式,表达不同时间的被动意义,作用也不一样。① t be dne →不定式的被动形式,表将来和被动② t have been dne →不定式完成式的被动形式,表完成和被动③ being dne →现在分词的被动形式,表进行和被动④ having been dne →现在分词完成式的被动形式,表完成和被动
He will take part in a cnference t be held n Friday. 他将参加星期五举行的会议。[词汇复现] The expert is prud t have been invited t attend the internatinal activity. 专家为被邀请参加了这次国际活动而感到自豪。[词汇复现] It is reprted that the huse being built is fr thse whse huses were destryed in the disaster. 据报道,正在建造的房子是为那些在灾难中房屋被毁的人建造的。[词汇复现] He is ashamed f having been defeated fr many times. 他为多次被人击败而感到羞愧。
Ⅰ . 单句语法填空(1) Lk! The baby (take)care f by her aunt. (2) A new huse (decrate)utside ur schl at present. (3) Nw,gd measures (take) t save the endangered animals by the gvernment. (4) Hi,I’m Alice. Lk at this pht—a snwman (make)by me. (5)[词汇复现]At present a new statue (carve). (6) Is the bridge (build)nw? (7)[词汇复现]T ur delight,many endangered species (prtect)by the gvernment nw.
is being taken
is being decrated
are being taken
is being made
is being carved
being built
are being prtected
(8)Many interesting experiments (carry)ut these days. (9)Since yur bike (fix),yu can use mine. (10)[词汇复现]Daisy has fund that a lt f antelpes (hunt)and killed fr the wl beneath their stmachs nw. (11)The new generatin f cmputers,with artificial intelligence, (develp) and perfected nw. (12)—I dn’t suppse the plice knw wh did it. — Well,surprisingly they d. A man has been arrested and (questin)nw. (13)—Have yu handed in yur schlwrk yet? — Yes,I have. I guess it (grade) nw. (14)—What’s that nise? — Oh,I frgt t tell yu. The new machine (test).
are being carried
is being fixed
are being hunted
are being develped
is being questined
is being graded
is being tested
Ⅱ . 完成句子 (1)[词汇复现]The sprts meeting (正在被举办)in the new stadium. (2)[词汇复现]The giant machine (被拆卸)at the mment and it will be set up in the new wrkshp in the near future. (3) The classrm (正被装饰)with ballns and flwers right nw and the students are preparing fr the New Year party. (4) The windw f ur classrm (经常被打破). (5) The sum these cmputers will cst us (正在计算中). (6)With the ppulatin increasing,mre land (需要).
is being held
is being taken apart
is frequently being brken
is being calculated
Ⅲ . 句型转换(1) Please tell me smething abut the meeting being held nw. → Please tell me smething abut the meeting . (2) I find the natinal flag is being raised. → I find the natinal flag . (3) The cmputer is in use nw. → The cmputer nw. (4) These high-tech prducts are n display these days. → These high-tech prducts are these days. (5) The castle is under attack at the mment. → The castle is at the mment.
which is being held nw
being raised
is being used
being displayed
being attacked
Language pints
核心词汇 教材原句p. 18 It is reprted that living spaces fr wildlife are being reduced due t the cutting f trees. 据报道, 由于砍伐树木,野生动物的生存空间正在减少。1 reduce vt. 减少,缩小,降低This drug can reduce the death rate f heart attacks. 这种药可以降低心脏病发作的死亡率。[词汇复现] All the shirts were reduced t $10. 所有衬衫都减价至 10 美元。 Output has been reduced by arund 30 percent due t the bad weather. 由于恶劣的天气,产量已减少了大约 30%。[词汇复现]
【归纳拓展】 The number f the species has increased by 10% thanks t the measures taken by the gvernment. 多亏政府所采取的措施,物种的数量增加了10%。[词汇复现] 【词语积累】 reductin n. 减少 [同]decrease v. 减少[反]increase v. 增加;增长
单句语法填空(1)[ 词汇复现]The camera was reduced half f the riginal price. (2) If their marketing plans succeed,they will increase their sales 20 percent. (3) The (reduce)f unemplyment shuld be the mst imprtant thing. 完成句子(4) The number f the bikes they prduce (已经减少到) 100,000 this year. (5) What they earn (已减少了)30% in the last three mnths. (6) The number f the wrkers in this cmpany (已经减少到)120.
has reduced t
has been reduced by
has been reduced t
教材原句p. 18 It is reprted that living spaces fr wildlife are being reduced due t the cutting f trees. 据报道, 由于砍伐树木,野生动物的生存空间正在减少。2 due t 由于,因为 Many crps were damaged due t the fld. 洪水毁坏了许多庄稼。[词汇复现] Yur headache is due t stress. 你的头痛是由压力造成的。[词汇复现] 【词语辨析】due t,wing t,because f与 thanks t
Because f /Owing t the snw,the flight has been cancelled. 由于下雪,航班已经取消了。(作状语)[词汇复现] His death was wing t an accident. 他的死是事故造成的。(作表语) It is mainly because f my fault.这主要是由于我的过错。(作表语) Thanks t yur help,we were successful. 多亏了你的帮助,我们得以成功。(作状语) 【归纳拓展】 be due t d sth. 预计要做某事 be due fr 应得到…… The bat is due t arrive at 12 ’clck. 船预计在 12 点钟到达。 She’s due fr prmtin sn. 她很快该晋升了。[词汇复现]
完成句子(1) His mistake was (因为)lack f experience. (2) David said that it was (由于) his strng interest in cmputers that he chse the curse. (3) The next meeting (预计召开) in three mnths. (4)[词汇复现]Owing t lack f funds,the prject will nt cntinue next year. =The prject will nt cntinue next year lack f funds. (5) The train (预计)leave fr Shanghai at 8. (6)[词汇复现] (房租到期)tmrrw. 单句语法填空(7) The bat is due (arrive)at 12. (8)He is due praise because f his heric deeds.
due t/wing t
due t/because f /wing t
is due t be held
due t/because f/wing t
The rent is due
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