高二英語人教版選修8學(xué)案課堂探究Unit3Inventorsandinventions—SectionⅠWord版含解析.doc

1、高二英語人教版選修8學(xué)案課堂探究Unit3InventorsandinventionsSectionWord版含解析課堂探究 1Here was a chance for me to distinguish myself by inventing something merciful that would catch snakes but not harm them.這回我有機(jī)會(huì)來表現(xiàn)一下自己了。我要發(fā)明某種仁慈的東西，既可以把蛇捉住，又不會(huì)傷害它們。主句以here開頭，構(gòu)成倒裝句，以加強(qiáng)語氣。考點(diǎn)：merciful adj.寬大的；仁慈的 They asked him to be merci

2、ful to the prisoners.他們要求他對(duì)犯人以慈悲為懷。閱讀下列句子，指出畫線單詞的詞性及詞義 Deaths from the disease are mercifully rare.這種疾病很少造成死亡，算是不幸中之幸。詞性：副詞詞義：幸運(yùn)地，寬大地 Its a mercy_she wasnt hurt in the accident.幸運(yùn)的是她在事故中未受傷。詞性：名詞詞義：仁慈，寬容，幸運(yùn) This judge is merciless_towards anyone found guilty of murder.這位法官對(duì)罪名成立的謀殺犯概不留情。詞性：形容詞詞義：不仁慈地

3、，不寬容地 考點(diǎn)延伸 閱讀下列句子，指出與mercy搭配的短語及含義 They showed mercy to their enemies.他們對(duì)敵人很仁慈。短語：show_mercy_to_sb含義：對(duì)某人仁慈 She asked the judge to have mercy on her husband.她請(qǐng)求法官對(duì)她的丈夫開恩。短語：have_mercy_on_sb含義：對(duì)某人仁慈 They were lost at the sea，at the mercy of the d and weather.他們?cè)诤Ｉ厦粤寺?，任憑風(fēng)和天氣的擺布。短語：at_the_mercy_of含義：任由擺

4、布，在掌握中 即學(xué)即用 語法填空 1）Antonio was _（mercy）that he even showed _（mercy）to Shylock.2）_（mercy），I managed to s the car just in time.3）They had little mercy_their enemy.4）They are absolutely _the mercy of providence.答案：1）merciful；mercy2）Mercifully3）on4）at 2I set about researching the habits of snakes to fin

5、d the easiest way to trap them.（于是）我著手研究蛇的習(xí)性，以便能找到最容易捉住它們的方法。不定式to find the easiest way作目的狀語，to trap them作way的定語?？键c(diǎn)：set about 開始；著手 I must set about my packing.我得著手收拾行李了。The moment we got to the little village，we set about doing research.一到那個(gè)小村莊，我們就開始了研究工作。歸納：set about接動(dòng)詞作賓語時(shí)，應(yīng)接動(dòng)詞的­ing形式。閱讀下面句子

6、，找出與set about同義的短語 He set out to conquer the literary world of London.他決心贏得倫敦文學(xué)界的贊譽(yù)。短語：set_out（to_do）考點(diǎn)延伸 閱讀下列句子，指出與set搭配的短語及含義 Little Tom and his father set off for America last week，and arrived there this morning.小湯姆和他的爸爸上周動(dòng)身去美國(guó)，并于今天上午到達(dá)那里。短語：set_off（for）含義：動(dòng)身（去）A new government was set up after t

7、he war.新政府于戰(zhàn)后成立。短語：set_up含義：建立 You had better set down your idea before you forget it.你最好把你的意見寫下來，以免忘記。短語：set_down含義：寫下 The film is set in France in the 1950s.這部電影以20世紀(jì)50年代的法國(guó)為背景。短語：be_set_in含義：以為背景 Its wise of people to set aside some money for urgent use.人們留出一部分錢以備急用是明智的。短語：set_aside含義：留出 即學(xué)即用 語法填

8、空 1）Lets set_our personal feelings for now，and get to our business.2）If he sets about _（do）what he wants to，nothing will s him.3）I dont know how to set _this job.4）She set _a new world record _the 100­metre race.5）We need to set _finding a solution.6）On receiving the assignment，we set _to work

9、at once.7）I have set _everything that hened.答案：1）aside2）doing3）about4）up；in5）about 6）out7）down 3Between the outside and the inside walls of the bowl there is some jelly，which freezes when cooled.在碗的內(nèi)壁和外壁都抹上果凍，這些果凍冷卻后會(huì)凍結(jié)。這里的when cooled 相當(dāng)于when it（the jelly）is cooled。Though tired，they went on working.

10、雖然他們累了，但他們?nèi)岳^續(xù)工作。將下列句子改為省略句 While I was waiting，I was reading some magazines._You shouldnt e to his party unless you were invited._He did as he had been told._Unless it is necessary，youd better not refer to the dictionary._答案：While waiting，I was reading some magazines.You shouldnt e to his party unle

11、ss invited.He did as told.Unless necessary，youd better not refer to the dictionary.歸納：當(dāng)狀語從句中的主語和主句的主語一致（或者是it），并且又含有be動(dòng)詞時(shí)，?？梢允÷詮木渲械闹髡Z和be動(dòng)詞，構(gòu)成“連詞分詞”結(jié)構(gòu)。可轉(zhuǎn)化為此類結(jié)構(gòu)的從句有：（1）as，before，till，once，when，while等引導(dǎo)的時(shí)間狀語從句；（2）though，although，as，as if，as though等引導(dǎo)的讓步狀語從句；（3）if，unless（ifnot）等引導(dǎo)的條件狀語從句；（4）as（so）.as，th

12、an引導(dǎo)的比較狀語從句。即學(xué)即用 語法填空 1）If _（offer）help，one often says “thank you” or “its kind of you” 2）Dont be afraid of making mistakes when _（speak）English.完成句子 3）Ill help you _（如果可能的話） 4）_（一旦開始），the work cant be sped.答案：1）offered2）speaking3）if possible4）Once begun 4They abruptly diseared into a convenient hol

13、e in the wall.它們突然就消失在附近的墻洞里了?？键c(diǎn)：convenient adj.便利的；方便的；就近的 Its useful to have a convenient supermarket.附近有超市實(shí)在方便。閱讀下面的句子，歸納與convenient相關(guān)的句型 It is convenient for me to get to the railway station.我到火車站很便利。句型：It_is_convenient_for_sb_to_do_sth含義：某人干某事是方便的 A domestic shower is very convenient to operate

14、.家用淋浴器使用起來方便極了。句型：sth_is_convenient_for_sb含義：某事對(duì)某人來說是方便的 考點(diǎn)延伸 1）閱讀下列句子，指出畫線詞的詞性及詞義 Its a great convenience to live in the town.住在城市里非常方便。詞性：名詞詞義：方便，便利 Books carried conveniently contain a large amount of information.方便攜帶的書籍信息量大。詞性：副詞詞義：方便地 2）閱讀下列句子，指出畫線短語的含義 e by to pick me up at_your_convenience.在你

15、方便的時(shí)候，來接我。歸納：at ones convenience意為“在某人方便時(shí)”。For the convenience of my mother I moved nearer to her home.為了我母親方便，我搬去她附近住。歸納：for the convenience of sb意為“為了方便某人”。即學(xué)即用 語法填空 1）Can I e to ask for some advice at any time? Yes，of course._your convenience.2）We have provided seats_the convenience of our custom

16、ers.3）Please e to my home if it is _（convenience）for you.4）We bought this house for its _（convenience）；its very _（convenience）for the library.完成句子 5）你明天開始工作方便嗎？ Will _start work tomorrow? 6）你會(huì)發(fā)現(xiàn)這種食物方便準(zhǔn)備。Youll find the food _.答案：1）At2）for3）convenient4）convenience；convenient5）it be convenient for you

17、to6）convenient to prepare 5This was in the e_pectation that the snakes would bite again.這是因?yàn)槲翌A(yù)料蛇還會(huì)再咬人。that the snakes would bite again是同位語從句?？键c(diǎn)：e_pectation n預(yù)料；期待；期望 The dog wagged its tail in the e_pectation that it would get a bone.那只狗搖著尾巴，期望得到一根骨頭。閱讀下列句子，歸納與e_pectation搭配短語的含義 The children waited

18、patiently in e_pectation of the magician.孩子們耐心地等待著魔術(shù)師。歸納：in e_pectation of意為“期待；指望”。Paul has succeeded beyond our e_pectations.保羅取得的成就出乎我們的意料。歸納：beyond ones e_pectations意為“出乎某人意料”。Against all e_pectations，she was enjoying herself.完全沒想到她過得非?？旎?。歸納：against e_pectations意為“與預(yù)期相反”。即學(xué)即用 語法填空 1）We thought J

19、ohn would do well，but he has succeeded _our e_pectations.2）He closed the dows _e_pectation of rain.3）I thought I could get the patent，but _e_pectations，I didnt.答案：1）beyond2）in3）against 6Pressed by my friends and relations，I decided to seize the opportunity to get recognition for my successful idea b

20、y sending my invention to the patent office.在朋友和親戚的敦促下，我決定抓住這次機(jī)會(huì)把我的發(fā)明送到專利局去，以使我的成功的點(diǎn)子得到認(rèn)證。Pressed by是過去分詞短語作狀語。Written in a hurry，the article is not so good.因?yàn)閷懙么颐Γ@篇文章不是很好。考點(diǎn)：seize vt.抓?。蛔阶。粖Z He seized a fish when he was swimming in the river.他在河里游泳時(shí)抓住了一條魚。閱讀下列句子，指出seize的含義 We should seize every op

21、portunity to develop the economy.我們應(yīng)當(dāng)善于抓住時(shí)機(jī)來發(fā)展經(jīng)濟(jì)。含義：抓住 They want to seize the murderer.他們想捉住兇手。含義：捉住 First，we must seize this position，and then we will station around the town.首先，我們必須奪取這個(gè)陣地，然后駐扎在城區(qū)周圍。含義：奪取 考點(diǎn)延伸 1）閱讀下面的句子，歸納與seize搭配的短語 The rumours were eagerly seized on/upon by the local press.當(dāng)?shù)貓?bào)社迫不

22、及待地對(duì)這些傳聞加以炒作。歸納：短語 seize_on/upon 意為“突然大為關(guān)注，抓?。衫玫氖挛铮薄?）辨析seize和catch seize和catch都表示“抓住”，在籠統(tǒng)地說“抓住”時(shí)，這兩個(gè)詞可以換用。二者都可以用人作賓語，而且可用by短語表示抓住的部位。如：The thief was seized/caught.那個(gè)小偷被抓住了。I seized/caught him by the ear.我抓住了他的耳朵。在描寫具體的“抓住”行為時(shí)，catch指經(jīng)過追逐或一定的籌劃后“抓住”；seize則指臨時(shí)地、突然地“抓住”。如：He caught an enemy soldier

23、alive.他活捉了一個(gè)敵兵。Tom seized the reins of the horse.湯姆抓住了馬的韁繩。即學(xué)即用 語法填空 1）_（seize）by the collar，Jane was dragged out of the vehicle by the tough guys and locked up in the dark room.完成句子，每空一詞 2）His father asked him to _（抓住時(shí)機(jī)）to make some money.3）The critic _（抓?。﹎y mistake and said I was ignorant.答案：1）Se

24、ized2）seize the chance/opportunity3）seized on/upon 7Only after you have had that recognition can you say that you are truly an inventor.只有你得到這種承認(rèn)，你才可以說是一個(gè)真正的發(fā)明家。這是一個(gè)以only開頭且倒裝的主從復(fù)合句，can you say that you are truly an inventor是主句，after you have had that recognition 是時(shí)間狀語從句?？键c(diǎn)：only 狀語 Only when you are

25、 forty and looking back will you realize that you havent done your best.只有當(dāng)你四十歲回首往事的時(shí)候，你才意識(shí)到你并沒有全力以赴。Only a week later did I receive an answer from her.一周之后，我才收到了她的回復(fù)。歸納：only修飾狀語或狀語從句在句首時(shí)，主句的主語和謂語要用部分倒裝。Only Uncle Li knows how it hened.只有李叔叔知道這件事是怎么發(fā)生的。歸納：此句中only修飾主語，如果only修飾的不是狀語，則句子不倒裝。即學(xué)即用 完成句子 1

26、）Only after Mary read her position the second time _（她才注意到那個(gè)拼寫錯(cuò)誤） 2）Only after they had discussed the matter for several hours _（他們才作出一個(gè)決定） 答案：1）did she notice the spelling mistake2）did they reach a decision 8So I have filled in the form and filed my patent lication with the Patent Office.于是，我填了表，向?qū)＠痔峤涣松暾?qǐng)書。考點(diǎn)：file n.文件；檔案；文件夾vt.提交；將歸檔