高中英語(yǔ)人教必修二學(xué)案：Unit4UsingLanguage正式版

1、Using Language翼前覆習(xí)學(xué)前熱身;成竹,在眼I.重點(diǎn)單詞1. . inspectvt.檢查；視察2. unexpectedadj.沒(méi)料到的；意外的 expectv.期待3. incident n.事件；事變4. dustn.灰塵；塵土；塵埃dustyadj.布滿(mǎn)灰塵的5. fierce adj.兇猛的；猛烈的6. endingn. 結(jié)局； 結(jié)尾 endn. & v.結(jié)束n.核心短語(yǔ)1. . come into being 形成； 產(chǎn)生2. a number of 許多； 大量的3. used to過(guò)去常常4. according to按照:根據(jù)所說(shuō)5. so that以致于

2、；結(jié)果m.經(jīng)典句式1 . They lived on the earth tens of millions of years ago , long before humans came into being and their future seemed secure at that time .千百萬(wàn)年前，它們（恐龍）就在地球上生活，比人類(lèi)的出現(xiàn)要早得多，當(dāng)時(shí)他們的前 景似乎很安全。2. When scientists inspected the bones, they were surprised to find that these dinosaurs could not only ru

3、n like the others but also climb trees .當(dāng)科學(xué)家們觀(guān)察這些骨頭時(shí)，驚奇地發(fā)現(xiàn)這些恐龍不僅像其他恐龍一樣可以跑，而 且還可以爬樹(shù)。3. They learned this from the way the bones were joined together . 他們是根據(jù)恐龍骨骼的連接方式來(lái)得出這種判斷的。4. It is a pity that in the story nobody helped the dodo .很遺憾在故事中沒(méi)有人幫助渡渡鳥(niǎo)。課文預(yù):讀閱讀清障extinction/ik'sti?k）n/n.滅絕；消亡extinct ad

4、j.不再存在的；已滅絕的dinosaur/'da in?s： -7n.恐龍come into being 形成； 產(chǎn)生，相當(dāng)于 come into existence, 無(wú)被動(dòng)語(yǔ)態(tài)。a number of許多（后接可數(shù)名詞的復(fù)數(shù)形式）a great/large number of tourists 大量的游客inspect/in'spekt/ vt.檢查；視察（指上級(jí)對(duì)下級(jí)的檢查或視察）be surprised to do sth做某事很吃驚Xthat引導(dǎo)的賓語(yǔ)從句，作 find的賓語(yǔ)；其中含有 not onlybut also.結(jié)構(gòu)。Xthe bonestogether為省略

5、了關(guān)系詞 that的定語(yǔ)從句，修飾先行詞the way。die out滅亡；逐漸消失（為不及物動(dòng)詞短語(yǔ)，不能用于被動(dòng)語(yǔ)態(tài)） unexpected/1 n nkspekt d/ adj.沒(méi)料至U 的；意夕卜的incident/'Insd?nt/n.事件；事變incident指某事件附帶產(chǎn)生的小事件或事變；accident指意外事故。dust/d ；st/n.灰塵；塵土；塵埃dusty adj.布滿(mǎn)灰塵的? live on繼續(xù)活著；繼續(xù)存在? for sure肯定；無(wú)疑（=for certain）,在句中作狀語(yǔ)。此處為why和how共同引導(dǎo)的賓語(yǔ)從句，作 knows的賓語(yǔ)。? accord

6、ing to按照；根據(jù)所說(shuō)（介詞短語(yǔ)，后常跟名詞或動(dòng)名詞作賓語(yǔ)）? some adv.大約，用于數(shù)詞前，相當(dāng)于about。X in the last 500 years為介詞短語(yǔ)，在句中作時(shí)間狀語(yǔ)。原文呈現(xiàn) ANIMAL EXTINCTIONMany animals have disappeared during the long history of the earth. The most famous of these animals are dinosaurs. They lived on the earth tens of millions of years ago, long bef

7、ore humans came into being and their future seemed secure at that time . There were many differentkinds of dinosaur and a number of them used to live in China . The eggs of twenty- five species have been found in Xixia County, Nanyang, Henan Province . Not long ago a rare new species of bird- like d

8、inosaur was discovered in Chaoyang County, Liaoning Province. When scientists inspected the bones, they were surprised to find that, these -dinosaurs, could .not-only .run. .like .the others but also climb . trees . They learned this from the way the . bones were, joined together.Dinosaurs died out

9、suddenly about 65 million years ago . Some scientists think it came after an unexpected incident when a huge rock from space hit the earth and put too much dust into the air. Others think the earth got too hot for the dinosaurs to live on? any more. Nobody knowsWe know many other wild plants, animal

10、s, insects and birds have died out more recently. According to a UN report, some 844 animals and plants have disappeared .in.theast 500 . years. The dodo is one of them . It lived on the Island of Mauritius and was a very friendly animal. Please listen to a story of the dodo and how it disappeared f

11、rom the earth .課文譯文動(dòng)物滅絕在地球漫長(zhǎng)的歷史中，許多動(dòng)物都消失了。 這些動(dòng)物中最著名的就是恐龍。數(shù)千萬(wàn)年前， 恐龍?jiān)诘厍蛏仙睿?比人類(lèi)的出現(xiàn)要早得多， 那時(shí)，它們的未來(lái)似乎是安全的?？铸堄性S多 不同的種類(lèi)，其中有很多曾生活在中國(guó)。25個(gè)種類(lèi)的恐龍蛋是在河南省南陽(yáng)西峽縣發(fā)現(xiàn)的。不久前，在遼寧省朝陽(yáng)縣發(fā)現(xiàn)了一種罕見(jiàn)的、形狀像鳥(niǎo)的新的恐龍物種。當(dāng)科學(xué)家們觀(guān)察它們的骨頭時(shí)，他們驚奇地發(fā)現(xiàn)它們不僅能像其他恐龍一樣可以跑，而且還可以爬樹(shù)。他們是從恐龍骨頭的連接方式上得知這一點(diǎn)的。大約6 500萬(wàn)年前，恐龍突然滅絕了。一些科學(xué)家認(rèn)為恐龍滅絕是發(fā)生在一次意外事件 之后，當(dāng)時(shí)太空中的一塊巨石

12、撞擊地球，在空氣中揚(yáng)起了太多的灰塵。另一些科學(xué)家則認(rèn)為，地球變得太熱了，恐龍無(wú)法再 （在地王上）繼續(xù)活下去了。沒(méi)有人確切地知道恐龍是為什么又 是如何在那么短的時(shí)間內(nèi)從地球上消失的。我們知道最近有許多其他的野生植物、動(dòng)物、昆蟲(chóng)和鳥(niǎo)類(lèi)已經(jīng)滅絕了。根據(jù)聯(lián)合國(guó)的一 份報(bào)告，在過(guò)去的500年里，大約有844種動(dòng)植物已經(jīng)消失了，渡渡鳥(niǎo)就是其中的一種。渡 渡鳥(niǎo)生活在毛里求斯島上，是一種非常友好的動(dòng)物。 請(qǐng)聽(tīng)一個(gè)關(guān)于渡渡鳥(niǎo)的故事，看看它是如何從地球上消失的。課:文:理:解I . Choose the best answer according to the text1. According to the pa

13、ssage, what can we know about the dinosaurs?A . Dinosaurs were once the kindest animals on the earth .B . They lived on the earth together with humans .C. They died out for some unknown reasons .D . It was the temperature that caused them to die out.答案 C2. The bird- like dinosaurs were discovered in

14、 .A . Xixia County , Nanyang, Henan ProvinceB . Chaoyang County, Liaoning ProvinceC. Xixia County , Nanyang , Liaoning ProvinceD . Chaoyang County , Henan Province答案 B3. How did scientists know that the bird- like dinosaurs could run as well as climb trees?A . By studying their eggs .B . By studying

15、 their teeth .C. By studying their bones .D . By guessing only .答案 Cn. True (T) or False (F).1. Most animals have died out during the long history of the earth . (F)2. Dinosaurs are the most famous of the animals that have disappeared . (T)3. There used to be many different kinds of dinosaurs on the

16、 earth . (T)4. A rare species of bird- like dinosaur could both run and climb trees . (T)5. Now people know the reason why dinosaurs suddenly disappeared . (F)要點(diǎn)探究互動(dòng)課堂高效學(xué)習(xí)1. They lived on the earth tens of millions of years ago, long before humans came into beingand their future seemed secure at tha

17、t time .(教材 P30)千百萬(wàn)年前，恐龍就在地球上生活，比人類(lèi)的出現(xiàn)要早得多，而且當(dāng)時(shí)他們的前景似乎很安全。long before在之前很久，該短語(yǔ)后可以接句子、名詞、代詞，也可以單獨(dú)使用，在 句中作狀語(yǔ)。 I knew Betty long before you got married to her .早在你和貝蒂結(jié)婚之前，我就認(rèn)識(shí)她了。(2)long before容易與before long混淆，后者意為“不久，很快”，相當(dāng)于 after a short periodof time,在句中作狀語(yǔ)，常與一般將來(lái)時(shí)或一般過(guò)去時(shí)連用。 Before 10ng she returned t

18、o the city where she lived long before .很快她回到了很久之前她生活過(guò)的那個(gè)城市。come into being 形成； 產(chǎn)生No one knows when the world came into being.沒(méi)有人知道世界是何時(shí)形成的。歸納拓展come into existence 形成； 廣生； 開(kāi)始存在come into effect開(kāi)始生效；開(kāi)始實(shí)施come into use 開(kāi)始被使用come into power 上臺(tái)執(zhí)政 That method has only recently come into use.那種方法只是最近才開(kāi)始使用的。

19、 The Labour Party came into poweNn 1945 .工黨于1945年上臺(tái)執(zhí)政。 When did the universe come into existence?宇宙是什么時(shí)候開(kāi)始存在的？2. According to a UN report , some 844 animals and plants have disappeared in the last 500 years.（教材P30）根據(jù)聯(lián)合國(guó)的一份報(bào)告，在過(guò)去 500年里，大約有844種動(dòng)植物消失。according to按照，根據(jù)所說(shuō)歸納拓展(l)according to其后可接名詞、代詞或 wha

20、t從句(2)according to用來(lái)引出來(lái)自他人或他處的消息，不能與me或my opinion連用；表7K自己的觀(guān)點(diǎn)用in my opinion ,意為 依我看According to expert opinions , they gave up the experiment immediately .根據(jù)專(zhuān)家們的意見(jiàn)，他們馬上放棄了這項(xiàng)試驗(yàn)。According to these figures , our company is doing well .從這些數(shù)字來(lái)看，我們的公司經(jīng)營(yíng)得不錯(cuò)。3. We decided to form a band so that we could earn

21、 some extra money by playing and singing in a pub.(教材 P36)我們決定組成一個(gè)樂(lè)隊(duì)，這樣我們就可以在酒吧里演唱額外多賺一些錢(qián)。 He didn't plan his time well , so that he didn't finish his work on time .他沒(méi)有把時(shí)間計(jì)劃好，結(jié)果沒(méi)有按時(shí)完成這項(xiàng)工作。(1)so that引導(dǎo)目的狀語(yǔ)從句，意為“為了；目的是”，相當(dāng)于 in order that,從句中常使用 can/could/ may/might/ will /would/ should等情態(tài)動(dòng)詞，從句之前不用 逗號(hào)。 I spend more time learning English every day so that( = in order that)I can make greater progre