九年級英語全冊Unit9Whenwasitinvented教案教學設(shè)計學案人教新目標版

1、unit 9 when was it invented ?一、 教學目標1、 語言目標：（1）talking about the history of inventions(談?wù)撝匾l(fā)明的歷史及用途)（2）能用被動語態(tài)正確表達發(fā)明物的歷史。如：it was invented in 1876. it was invented by bell.2、知識目標： 學會使用含有被動語態(tài)的不同句型結(jié)構(gòu)“when was it invented?” 和“who was it invented by?”來談?wù)摳鞣N發(fā)明物的歷史。 3、能力目標： 通過了解一些中外發(fā)明者的事跡，培養(yǎng)勤奮學習、立志為社會多做貢獻的精

2、神。二、重點知識1、重點單詞invent, mistake, ancient, produce, pleasant, pie, throw, century, notice, including, knock, basket, metal, below, towards, develop, risen基本要求：會讀、會寫、會用。2、重點短語be used for, by mistake, in the end, by accident, according to, fall into, in this way, knock into基本要求：會讀、會寫、會用。3、重點語法the passive

3、 voice(被動語態(tài)的用法):1. when was / were . invented?2. who was / were . invented by?3. what is / are . used for?基本要求：理解其含義，學以致用。三、導學案section a例析導學1. when was it invented?invent v. 發(fā)明，創(chuàng)造 例如：he has invented a new way of making silk. 他發(fā)明了一種制造絲綢的新方法。do you know who invented computers? 你知道誰發(fā)明的電腦嗎？【拓展】（1）invent

4、or n. 發(fā)明家，創(chuàng)造者，發(fā)明者 例如：edison was a great inventor. 愛迪生是一個偉大的發(fā)明家。（2）invention n. 發(fā)明（物），創(chuàng)造 例如：edison had 1,093 inventions. 愛迪生有1，093項發(fā)明。2theyre used for seeing in the dark.它們被用于在黑夜里觀看。be used for表示“被用來做”，介詞for表示目的和用途，后面接名詞或動詞-ing形式。wood can be used for making paper.木材可以被用來造紙?！就卣埂亢衎e used的常用短語：（1）be us

5、ed as表示“被用作”，介詞as意思是“作為”的意思，其后一般接名詞，強調(diào)使用的工具及手段。this book can be used as a textbook.這本書可以當作教科書來用。（2）be used by表示“被使用”，by后接動作的執(zhí)行者。this kind of machine is used by farmers for getting in crops.3battery-operated slippers were invented by julie thompson.電池控制的拖鞋是朱莉。湯普森發(fā)明的。operate v. 操作，作業(yè)【拓展】（1）operate v.

6、操作，作業(yè) 例如：can you operate the computer? 你會用電腦嗎？（2）operate v. 動手術(shù)，用于operate on sb. “給某人做手術(shù)”。例如：the doctor will operate on his mother at once. 那位醫(yī)生將馬上為他的母親動手術(shù)。（3）operate v. 經(jīng)營，管理 例如：the company operates ten factories. 這家公司經(jīng)營著10家工廠。（4）operation n. 手術(shù) 例如：she had an operation for stomach. 她做過胃部手術(shù)。3. id li

7、ke to have a radio because i could listen to music all day.我想有一個收音機，這樣我就可以整天聽音樂了。本句中的情態(tài)動詞could用來表示邏輯上或理論上的可能性，而不是某種實際上將要發(fā)生或正在發(fā)生的可能性。anybody could make mistake.任何人都可能犯錯誤。the weather here could be very cold in winter. 冬天這兒的天氣很冷。【拓展】could也表示人或動物的內(nèi)在能力，有某種知識或者技能而能夠做某事。he hurt his foot and couldnt play so

8、ccer. 他的腳受了傷，所以他不能踢足球了。專項訓練用方框中所給詞的適當形式填空：invent slipper use heat helpi. whats a pen _ for?ii. when was the piano _?iii. i think the light bulb is the most _ invention.iv. when were electric _ invented?v. is this your _ ice cream scoop? 句析導學when was it invented ?它是什么時候被發(fā)明的？這句話使用的是被動語態(tài)：(1). 被動語態(tài)表示句子的

9、主語是謂語動詞所表示的動作承受者。(2). 被動語態(tài)基本結(jié)構(gòu)：be+及物動詞的過去分詞(如果是不用物動詞，其過去分詞應(yīng)帶有相應(yīng)的介詞)(3). 被動語態(tài)中的be 是助動詞，有人稱、數(shù)和時態(tài)的變化。 一般現(xiàn)在時被動語態(tài)為：am/is/are+過去分詞 一般過去時被動語態(tài)為：was/were+ 過去分詞 與情態(tài)動詞連用的被動語態(tài)：情態(tài)動詞+ be + 過去分詞(4). 被動語態(tài)中動作的發(fā)出者或執(zhí)行者做介詞by的賓語，放在句末，by 表示“由，被”的意思如何理解被動語態(tài)？ 為取勝更清晰、更深刻地理解被動語態(tài)的含義，可以將主動語態(tài)和被動語態(tài)的句子結(jié)構(gòu)進行比較。 主動語態(tài)： 主語+ 謂語動詞 + 賓語

10、+ 其他成分 被動語態(tài)： 主語+ be +過去分詞 + by +賓語 +其他成分 如： many people speak english.被動語態(tài) english is spoken by many people.專項訓練1. the bridge _ by the farmers themselves in 1982.a. built b. was builtc. buildd. was build 2. all the books will _ to the children who live in the small village.a. be sentb. sentc. be sen

11、dd. send3. keys _ used for _ the doors.a. is, openingb. is, openedc. are, opening d. are, opened 4. my mother told me that my homework must _ on time.a. finishb. be finishc. be finishedd. finished 5. when _ the car _?a. did, invent b. was, invented c. does, invent d. in, invented 6. where is mary ?

12、she _in the cinema an hour ago.a. saw b. was seen c. is seen d sees7.a half of the news _ in english.a. is writing b. writes c. are written d. is written 教學設(shè)計 1導入新課（1a）:1）讓學生看書上的5幅圖畫，告訴學生這些東西都是在最近150年中被發(fā)明的。2）在黑板上寫出這五個發(fā)明的單詞。computer, car, calculator, telephone, tv set讓五個學生猜并且寫出這五項發(fā)明的時間。3）讓學生重復(fù)這些問題和答案

13、：t: when was the computer invented?（學生重復(fù)）ss: when was the computer invented?t: good now tom, what is your guess?s1: 1965t: ok the computer was invented in 1965t: class, please repeatss: the computer was invented in 19654）讓學生回答下列的四個問題：1 which one do you think is the oldest? 2 which one is the newest?

14、 3 which one do you think is the oldest or the first invention? 4 which one is the newest or last invention?5）讓學生看方框中的例子，然后讓學生們練習這個對話。a: i think the telephone was invented before the car b: well, i think the telephone was invented after the car6）讓學生四人一組討論這五項發(fā)明，用上面的對話作為例子練習。這樣就能找出這五項發(fā)明的正確時間。2聽力練習（1b）

15、：1) 這一部分讓學生在對話中練習目標語言。2) 讓學生說出圖中五項發(fā)明的名字，然后看看左面的發(fā)明時間。3）播放錄音。answersd 1876 a 1885 e 1927 c 1971 b 19763對話練習（1c）：1)要求兩個學生先讀一遍對話： sa: when was the telephone invented?sb: i think it was invented in 18762）讓學生兩人一組，用1b中的信息練習對話，告訴他們互相交換練習。4聽力練習：2a讀這三項發(fā)明shoes with adjustable heels，battery operated slippers， h

16、eated ice cream，scoop并作一些解釋，告訴學生寫出聽到的正確的順序。2b1）讓學生讀三個標題inventions, who was it invented by?和 what is it used for?然后讓學生讀每一個標題下的信息。 2）播放錄音。3）檢查答案。5小組練習：這一部分讓學生利用目標語言練習口語。1）讓兩名學生讀示范對話。sa: what are they used for?sb: theyre used for seeing in the dark2）讓學生利用2b中的信息來拓展對話，例如：（pointing to the inventions）a: wh

17、at are these?b: they are battery-operated slippersa: what are they used for?b: they are used for seeing in the darka: who were they invented by?b: they were invented by julie thompson63a這部分是要求學生運用目標語言練習聽說讀寫。1）讓學生看三個發(fā)明的圖片。2）給學生舉例解釋helpful inventions 和 annoying inventions 。例如：吸塵器是有用的，而噪音大的卡車是令人厭煩的。3）讓

18、學生兩人一組完成表格。sample answers helpful inventions annoying inventions 1 bike 1 recorder 2 tv set 2 guitar 3 computer 3 tractor 4 plane 4 loudspeaker 5 umbrella 5 mobile phone7口語練習（3a）：1) 讓學生齊讀題目要求。然后告訴學生：i think the most helpful invention is the computer because it has changed the world a lot2）讓兩名學生讀一遍示范

19、對話：sa : what do you think is the most helpful invention?sb: i think the most helpful invention is the light bulbsa: why is that?sb: well, it gives people more time to work and play every day3）讓其他學生兩人一組練習，然后互相討論這個對話。8小組活動（4）：1） 讓學生先看圖片，鼓勵學生去描述圖片上的情景。2） 讓學生四人一組討論。9總結(jié)：本節(jié)課我們學習了很多關(guān)于發(fā)明的知識，并且做了很多關(guān)于發(fā)明的口語練習。

20、10作業(yè)：1）記住這一部分所學的所有語言點。2）能熟練表達有關(guān)發(fā)明的內(nèi)容。 詞語辨析alone 和 lonely 的用法區(qū)別：alone是形容詞，意為“單獨的”，不帶感情色彩。 例如：i happened to be alone in the room. 我碰巧一個人在屋里。when his wife died, he lived alone. 他妻子去世后，他獨自生活。lonely ady. 意為“孤獨的，寂寞的”， 有感情色彩。 指地方時表示“荒涼的，偏僻的”。 例如：he feels lonely when he is alone. 他獨自一人時感到寂寞。the old man live

21、s in a lonely small village. 那位老人住在一個偏僻的村莊里。section b 例析導學1the potato chips were invented by mistake.土豆條的發(fā)明純屬歪打正著。mistake n. 錯誤，誤會，過失【拓展】(1) mistake n. 錯誤，誤會，過失 例如：it was a mistake buying that car. 買那輛車是個錯誤。 (2)by mistake 表示“錯誤地（因粗心、遺忘等所致）”。sorry, i took your bag by mistake. 對不起，我錯拿了你的手提包。(3) mistak

22、e v. 誤解，弄錯 mistake . for “錯把當作”例如：i mistake her for her sister. 我把她錯認為是她妹妹。2. the customer thought the potatoes werent thin enough. 顧客認為土豆（片）不夠薄。enough adj. 足夠的 修飾形容詞或副詞時要放在修飾詞之后；但它修飾名詞時則放在名詞之前； 例如：we didnt leave early enough. 我們離開得不夠早。we havent got enough time. 我們沒有足夠的時間。3george wanted to make the

23、customer happy. 喬治想讓那位顧客高興。make v. 使怎么樣， 其后往往帶復(fù)合賓語，常用句型如下：（1）主語+make+賓語+名詞（做賓補）。例如：the boss can make the young man a rich man. 那個老板能使那個年輕人變?yōu)橐粋€富翁。（2）主語+make+賓語+形容詞（做賓補）。例如：the news made her happy. 這消息使她很高興。（3）make 之后也可節(jié)省略to 的不定式做賓語的補足語，其句型為：“主語+ make+賓語+do sth”。 例如：nothing will make me change my mind

24、. 無論什么事都不能使我改變主意。4george crum cooked them for a long time until they were crispy. george crum將它們做了很長時間，直到它們變脆了。until常用作介詞或連詞，用來引導介詞短語或從句在句子中作時間狀語。（1）在肯定句中，until與延續(xù)性、持續(xù)性動詞連用，表示“直到為止”。i worked until late in the afternoon. 我一直干到下午很晚的時候。（2）在否定句中，until常與瞬間動詞、短暫性動詞連用，表示“直到才”，“不到不”。the rain didnt stop unti

25、l midnight. 雨直到半夜才停。i wont leave until you promise to help me. 你不答應(yīng)幫助我，我不會離開。5. and he sprinkled lots of salt on them so they were salty. (p71) 然后，他在上面撒很多鹽，這樣它們就咸了。(1)sprinkle 是“撒、灑”的意思，常構(gòu)成sprinkle a on/over b 或sprinkle b with a表示“撒(某物)于(某物的表面)”。she sprinkled sand along the icy path. 她往結(jié)冰的路上撒了些沙子。he

26、 sprinkled vinegar on his fish and chips. 他往魚和土豆上灑了些醋。(2)salt是不可數(shù)名詞，其形容詞是salty。在英語中，很多名詞后加-y可以構(gòu)成形容詞，表示“充滿/包含”，其意思與原來詞匯的意思相同，只是詞性不同，如cloudcloudy, hairhairy, roserosy, sleepsleepy等。6did you know that tea, the most popular drink in the world(after water), was invented by accident?accident n. 意外的事； 偶然的事

27、【拓展】(1)accident n. 意外的事； 偶然的事 例如：it is quite an accident. 這是一件很偶然的事。(2) accident n. 事故 例如：he was killed in a traffic. 他在一起交通事故中喪生。(3) by accident 同義詞組為 by chance, 意為：偶然，無意中 例如：i met her by accident in a crowded bus. 我意外地在擁擠的公共汽車中遇見她。7. some leaves from a nearby bush fell into the water and remained

28、there for some time.附近叢林里的一些樹葉掉進了水里，并留在那里很長時間。fall v 落下【拓展】(1) fall into在這里是“落入、陷入”的意思。 some ash fell into my cup. 一些灰掉進我的杯子里了。a ripe fruit happened to fall into his hand. 一個熟了的果子碰巧掉在他手里。(2)fall into有時也可以作“開始”解。he fell into conversation with me. 他開始和我談起話來。(3)remain v.表示“繼續(xù)、依然、停留”，后面接名詞，動詞不定式。he rema

29、ined a prisoner for the rest of his life. 他的余生都在牢中度過。it sounds a good idea, but it remains to be seen whether it will succeed.聽起來這是個好注意，可是它能否成功，要等以后才能知曉。(4)remain后面也可以接副詞或介詞短語。she remains in the house all these days. 她這些天一直呆在那棟房子里。three out of four of them remained single. 他們四個人中有三個人還是單身。特別提示remain還

30、有“剩下、殘余”的意思。i cant go to the cinema because i have a lot of homework remained undone.我不能去看電影，因為我還有很多作業(yè)未做。8the emperor noticed that the leaves in the water produced a pleasant smell. notice v. 注意，注意到【拓展】（1）notice v. 注意，注意到 例如：did you notice anything strange?你注意到什么奇怪的東西了嗎？i noticed (that) he left late

31、. 我注意到他走得很晚。（2）notice n. 布告，公告，告示，啟示 例如：put up a notice, please. 請張貼個布告。（3）notice 后還可接復(fù)合賓語即notice sb. do/doing sth. 接不定式時，指看到一個動作或一件事情的全過程。接動詞-ing形式則指看到或聽到一個正在進行的動作，而不是過程。i noticed tom play football on the play ground. 我注意到湯姆在操場上踢足球。he didnt notice me carrying a big box when i came into the room. 當我

32、走進房間時，他沒有注意到我扛著一個大箱子。produce v. 生產(chǎn)，制造，表示“制造”時， 與make較為接近。例如：he worked hard to produce good crops from poor soil. 他辛勤耕作，為使貧瘠的土地上長出好莊稼。the factory produces toys. 這家工廠生產(chǎn)玩具。9later he decided to taste the hot mixture. taste v. 品嘗【拓展】（1）taste v. 品嘗 例如：have you ever tasted horse meat? 你嘗過馬肉嗎？the apple tast

33、es sweet. 這個蘋果吃起來很甜。（2）taste v. 品嘗 作系動詞 例如：the cake tastes good. 蛋糕嘗起來味道很好。10. and in this way, one of the worlds fatvorite drinks was invented.就這樣，世界上最受歡迎的一種飲料產(chǎn)生了。way n. 方法本句中的in the way意為“就這樣”，“以這種方式”。the song was composed in this way. 這首歌就這樣被創(chuàng)作出來了。in this way, you will find the answer to this que

34、stion. 用這種方法，你可以找到這個問題的答案?！就卣埂縲ay主要有以下幾種用法：（1）表示“方法”，接不定式，.way to do sth這一結(jié)構(gòu)等于.way of doing sth。scientists are trying to find ways to prevent(of preventing) disease.科學家們正在尋找預(yù)防疾病的方法。there are many ways of traveling(to travel), for example, by air.旅行有許多方式，例如乘飛機。（2）表示“路途”，“路線”，常構(gòu)成on ones/the way to.“在的

35、途中”。在這一結(jié)構(gòu)中，介詞to表示方向，后接名詞。如果后面接地點副詞如here, there, home時則不用to。im on my way home.我正在回家的路上。shes on her way to see the film.她正在去看電影的路上。（3）表示“方向”。look this way.看這邊。go that way.往那邊走。（4）表示“距離”，“路程”。 beijing is a long way from here.北京離這里很遠。專項練習：用所給詞的適當 形式填空1. the soup is too _(salt ) i dont like it .2 sony is

36、 the _ (thin )boy in the class .3. who were they _( discover ) by ?4. its _(use ) for scooping really cold ice cream .5. what do you think is the most useful _(invent )?6.tea _(not bring ) to the western world until 1610.7. the potato chips were invented by a chef _(call ) george grum. 句析導學did you k

37、now that tea, the most popular drink in the world ( after water), was invented by accident? 你知道茶-世界上（在水之后）最受歡迎的飲料，是被意外地發(fā)明的嗎？the most popular drink in the world ( after water)是說明性的名詞短語，在句中作賓語從句的主語tea的同位語。主語的同位語常放在主語之后，前后都用逗號隔開。例如：it is said that wei wei , the famous singer, is coming to jinan next we

38、ek. 據(jù)說著名歌手韋唯下周要來濟南。專項練習：補全對話:a: its time for tea break. _?b: yes, please. im thirsty.a: _?b: green tea, please. i prefer green tea to black tea.a: _?b: no, thanks. i dont like it with milk. i like the tea with nothing in it. a: _.b: thanks. oh, how nice the tea is!a: im very glad you like it.b: _?a:

39、 its grown in hangzhou. its called longjing.b: ive never drunk such nice tea. thanks.教學設(shè)計：1復(fù)習：1）檢查上節(jié)課布置的作業(yè)2） 問學生一些關(guān)于發(fā)明的問題，例如： what do you think is the most helpful invention?3） 聽寫單詞。2導入新課（1a）：1）讓學生齊讀這部分的四個單詞，然后幫助學生解釋這四個單詞的意思。例如：sweet is used for describing something that tastes like sugar or honey i

40、ts the opposite word of sourafter that, ask the students to tell the names of the foods in the pictures potato chips, lemon, ice cream, tea2）讓學生選擇正確的單詞填在相應(yīng)的圖片下。answers: potato chips: crispy, salty lemon: sour ice cream: sweet tea: sweet3拓展練習（1b）：答案不是唯一的，例如：sweet: apple, orange juice, soda, cake, hon

41、eycrispy: french fries, salad, lettucesalty: french fries, olives, pepperoni, pizza, popcornsour: pickle, grapefruit4. 聽力練習：2a: 1）讓學生齊讀方框中的六個句子。2）互相討論這六個句子的意思，并對學生不理解的地方一一解答。3）播放錄音，讓學生判斷正誤。answers 1 t 2 f 3 t 4 f 5 f 6 t1) 2b: 告訴學生邊聽邊填空。2) 在播放錄音之前，讓學生盡可能地踩出正確答案。播放錄音。answers 1 did you know 2 were inv

42、ented 3 1853 4 were crispy 5 really salty5 會話練習（2c）：1) 再播放一遍錄音，讓學生跟讀。2) 讓學生分角色練習對話，使用2a 和2b中的信息。63a1) 聽寫這部分內(nèi)容的單詞和詞組。2）告訴學生這是一篇關(guān)于茶葉發(fā)明的文章，自己讀一遍課文，然后回答下列問題：1 what is the article about?2 when was it invented?3 who was it invented by?4 how was it invented? 答案： 1 the article is about the invention of tea

43、2 it was invented over three thousand years ago 3 it was invented by the chinese emperor, shen nong 4 it was invented by accident3）要求學生再讀課文，提出不明白或不理解的問題，并且解答問題。7寫作訓練（3b）：1) 給學生出示一個真的飛盤，告訴他們我們將要寫一篇有關(guān)飛盤的文章。2) 和學生一起看左面方框中的信息，指出新的單詞和詞組。3）讓學生思考一會，然后接著右邊的句子完成這篇文章。4）抽查個別學生的作文，其他學生互相改正錯誤。例文：the flying disk

44、is a toy which was invented by a group of college students it was invented in the 1950sin fact, the students didnt invent itthey just discovered it the original flying disk was really a metal pie plate from a bakery named bridgeport in connecticut the students there liked to eat the bakerys pies and

45、 then they threw the pie plates around a company began making plastic disk now there are flying disk clubs, a flying disk magazine, and even a national flying disk festival in septemberdont you think its amazing that all this started from a pie plate?8解決問題（4a）：1)讓學生討論他們所討厭做的事情，并且發(fā)明一種能夠代替他們做的東西。2）讓學生

46、把討論的結(jié)果寫在右邊的表格里。9.對話訓練（4b）：這部分活動是讓學生運用目標語言訓練聽力和口語。1） 讓學生兩人一組談?wù)撍麄兊陌l(fā)明。2） 讓一組學生完成右邊的對話。3） 其他學生仿照他們的對話來練習。10作業(yè)：1）記住茶葉發(fā)明的過程。2）把4b改寫成文章而不是對話。 詞語辨析1.in the end, at the end of 和by the end of的用法區(qū)別：（1）in the end 同義詞組為at last 或 finally， 意為“最后，終于”。 at last 表示經(jīng)過一番努力或曲折的過程，也可以用來表示等候或耽誤了很長時間之后；finally 在列舉事物或論點時，用來引

47、出最后一項內(nèi)容，也可以表示“等了好久才”。in the end 也可以表示經(jīng)過一番努力或曲折過程，不但可以用于過去時，還可用于將來時，預(yù)卜未來。例如：the boys climbed onto the top of the mountain at last. 男孩們終于爬上了山頂。im sure youll succeed in the end. 我相信你最后會取得成功。（2）at the end of “在末端，到盡頭，在結(jié)束時”,既可指時間，又可指地點。例如：he lives in the house at the end of the street. 他住在街盡頭的那棟房子里。i can

48、 finish writing the book at the end of this month. 本月底我能寫完這本書。（3）by the end of “到末為止” 。和過去完成時連用。例如：we had planted 500 trees by the end of last week. 到上周末為止，我們已栽了500棵樹。2invent 和discover的用法區(qū)別：invent 意為“發(fā)明”， 是發(fā)明或創(chuàng)造不曾存在的東西。而discover 意為“（先與他人）首次發(fā)現(xiàn)已經(jīng)存在的東西?！?例如：who discovered the new world? 誰發(fā)現(xiàn)了新大陸？3quite

49、和very 的用法區(qū)別：quite 非常 adv. 與冠詞a連用時，冠詞a必須放在它的后面。例如： quite a beautiful girl 一個漂亮的女孩very 非常 adv. 與冠詞a連用時，冠詞a必須放在它的前面。 例如： a very beautiful girl 一個漂亮女孩 注：當不與冠詞a 連用時，兩者可以互用 如： i am very happy.= i am quite happy. 我非常高興。專項練習：用所給動詞的正確形式填空。 1. by the time we got home, my mother _ (go) out for a walk. 2. when

50、_ your classmate _ (come) into his class this morning? 3. his father was ill. he had to _ (stay) at home today. 4. _ you ever _ (see) that man over there, alice? 5. dont forget _ (close) the windows when you leave your room. 6. the young man asked the girl _ (marry) him. 7. it _ (be) so hard that we

51、 couldnt see the way to our school clearly. 8. english _(speak) in the world widely. 9. the boy might _ (become) a good scientist in the future. 10. a person who _ (speak) english is standing with some children in the street.self-check and reading 例析導學1. i prefer lemons to oranges. i like the sour t

52、aste.prefer v. ，寧可，寧愿，更喜歡拓展：（1）prefer v. 寧可，寧愿，更喜歡 例如：do you prefer coffee or tea? 你喜歡咖啡還是茶？（2）preferto 喜歡勝過; 比起更喜歡 例如：she prefers coffee to tea. 她喜歡咖啡勝過茶。（3）prefer to do sth. rather than do sth. 寧愿干某事也不干某事 例如：he preferred to stay at home rather than go with us. 他寧愿呆在家里，也不愿和我們一起去。（4）prefer doing sth

53、. to doing sth. 比較起干某事來，更喜歡干某事 例如：he always prefers staying at home to walking outside. 比起到外面走走，他一向比較喜歡呆在家里。children prefer playing to learning. 孩子們比起學習來更喜歡玩。reading 2. dr naismith divided the men in his class into two teams, and taught them how to play his new game.奈斯密斯醫(yī)生把他的學生分成兩組，并教他們?nèi)绾瓮嫠男掠螒颉１揪渲械?/p>

54、o是動介短語，與o同義，意為“把劃分成”，其中divide是及物動詞。 my father divided the cake into four pieces. 我爸爸把蛋糕分成4塊。we divided ourselves into small groups to carry out the plan.我們分成幾個小組來執(zhí)行這個計劃。3. it is believed that on december 21st, 1891, the first basketball game in history was played.人們認為1891年12月21日是歷史上的第一次籃球比賽的日子。(1)本句中的it is believed that. 相當于people believe that.是“人們相信/認為”的意思，that引導的是主語從句。it is believed that by the year 2010, the population of the world will be seven billio