新人教選修八Unit2Cloning[單元課件]

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1、Unit 2 CloningModule 8 English Song English Class Language Data Bank 課 時 分 配課 時 板 塊 結(jié) 合 范 例Period 1 to be improved B. which; to be improvedC. where; to be improved D. when; improving解 析 ： 答 案 為 A. that引 導(dǎo) 同 位 語 從 句 說 明“ 新 問 題 ” 的 內(nèi) 容 。 Need后 既 可 接 動 名 詞的 主 動 式 ， 也 可 接 動 詞 不 定 式 的 被 動 式 作賓 語 。 3. The

2、res a feeling in me _ well never know what a UFO is not ever. ( 2002年 上 海 ) A. that B. which C. of which D. what解析：答案A。 同 位 語 從 句 that well never know what a UFO is not ever作 a feeling的 同 位 語 ， 解釋 a feeling 的 具 體 內(nèi) 容 。 That連 接 同 位 語 從 句 時 ，只 起 連 接 作 用 ， 不 作 從 句 的 任 何 成 分 。 4. Information has been pu

3、t forward _ more middle school graduates will be admitted into universities.( 2001年 上 海 ) A. while B. that C. when D. as解析：答案B。That引導(dǎo)從句作information的同位語，解釋information的具體內(nèi)容。 5. These wild flowers are so special I would do _ I can to save them.( NMET2000春 季北 京 ) A. whatever B. that C. which D. whicheve

4、r 解 析 ： 答 案 A。 do后 接 賓 語 從 句 ， 賓 語 從 句 I can 后 省 略 了 do， 缺 少 賓 語 。 Whatever在 賓 語從 句 中 作 賓 語 。 Finish the following exercises:1. His central idea is _ the losers do not write history. A. X B. because C. that D. whether2. I think _ certain that she will do well in her exam. A. that B. this is C. it D.

5、 whats 3. We should stick to _ is true. A. which B. that C. anything which D. whatever 4. You will find no mistake _ Ive written. A. what B. in what C. with what D. that 5. There is a rule in our school _ no one is permitted to smoke. A. where B. which C. that D. what 6. He didnt know which room _ .

6、 A. they lived B. they lived in C. did they live D. did they live in Assignment1. Summarize the rules of the Passive Voice.2. Finish the exercises of “Discovering useful structures” on Page 22 and Page 64-65. Uni t 2 Cl oni ng Period 4: 幻 燈 片 49-61頁 Warming up ( 4ms )Answer the following questions:1

7、. Do you like dinosaurs? Where have you seen them? Can you see them in our real life? Why?2. Do you think it is possible to clone dinosaurs? If yes, do you think thats good for human beings? Why?(Students give their own answers.) Reading - I scanning ( 5ms )Read the text, then tell the following sen

8、tences are true or false. ( Students can discuss in pairs. )1. Scientists are still experimenting with cloning mammals because they think it can make money.2. The animals that have disappeared from the earth, like dinosaurs, can be brought back to life through cloning.3. If we can clone any extinct

9、animals, we should let them live in a zoo.F FF Reading - II Detail reading ( 6ms )Read the text, then answer the following questions. ( Students can discuss in pairs. )1. Why shouldt you clone an extinct animal unless there is enough diversity in the group?2. Why is it wrong to clone an extinct anim

10、al if it would have to live in a zoo?3. Why cant you clone the DNA of animals that have been extinct longer than 10,000 years? 1. Why shouldt you clone an extinct animal unless there is enough diversity in the group? There will not be enough genetic variation in the group to be able to resist new il

11、lnesses. 2. Why is it wrong to clone an extinct animal if it would have to live in a zoo? It is not a good idea to clone an animal that would have to live in a zoo because it is not a suitable habitat to develop and increase its numbers.The zoo is not a natural environment for a wild animal. 3. Why

12、cant you clone the DNA of animals that have been extinct longer than 10,000 years? The DNA of animals more than 10,000 years old is not suitable for cloning ,for it cant survive so long. Reading - III Argument ( 10ms )1. Read the passage again and have a argument according to the requirement of Ex.2

13、 on Page 16.2. Students work in groups, when discussing, the head of each group should write down the opinions of all the members.3. Ask some volunteers to show their opinions. Reading - IV Reading on Page 58-59 ( 10ms )Students read the passage on Page 58-59, then finish the following chart:Team Wh

14、ats their argument?Two reasons for/against medical cloning Do you agree with them?why?A 1.to _that have no cure at the moment Various answers and reasons are possible2. To help people _which make them_ For medical cloning cure serious illnesseswho havediseasesgradually lose their ability to move eas

15、ily or to think Team Whats their argument?Two reasons for/against medical cloning Do you agree with them?why?B 1.to make the stem cells that _of one person, you have to_ Various answers and reasons are possible2. Scientists are worried about _Against medical cloning will cure an illnessthe efficienc

16、y of the systemkill another human being Reading - IV Feeding back ( 5ms )1. Students ask some questions about the two passages learnt in this class.2. Ask other students to answer the questions first, then the teacher makes a conclusion. Assignment 1. Finish the exercises on workbook. 2. Prepare for

17、 the next class. Uni t 2 Cl oni ng Period 5: 幻 燈 片 62-71頁 Listening I ( 5ms )Ex. 1 on Page 17. 1. Listen to the passage for the first time, then tick those that you hear.Keys: 1 3 4 Listening II ( 10ms ) Ex.2 on Page 17.Listen to the tape for the second time and finish the following chart:cruelMarys

18、 ideas about cloning Xiao Qings ideas about cloing_ to animals scientists are doing a _ jobmakes them do _ May bring back _animalsit is a _ problems because _clone born _ scientist need _ the species it may _ for illnessunnatural things“dead end”a age of “mother”weakens wonderful extinctit is a new

19、scienceencouragementprovide medicine Speaking ( 10ms ) having a discussion:1. With your partners, prepare a discussion according to the information in Ex. 3 on Page 17-18 (every member should take notes when they are preparing). 2. Have the class discussion. Listening III ( 15ms ) Listening task on

20、Page 57.1. Listen to the tape for the first time and finish Ex.1 on Page 57.Keys: 1 F 2 O 3 F 4 F 5 F 6 F 7 F 8 O 9 O 10 F Listening III ( 15ms ) Listening task on Page 57.1. Listen to the tape for the second time and finish Ex.2 on Page 57.Keys:1. He wants to make his mother happy by keeping her pe

21、t dog alive forever and he also wants to take the chance to America for holiday when the dog is being there.2. Frank doesnt agree with cloning because he thinks cloning is very expensive and it has many moral problems. 3. Billys mother is in favour of cloning. She is saving money to go to America to

22、 have her pet dog cloning just before it dies.4. Various answers are possible. 1.It is moral to make my mother happy.2.It can provide an excuse for a holiday abroad.3. My mother will need her pet when I am away. 3. Listen to the tape again, then finish the following chart:Arguments for cloning pets

23、Arguments against cloning pets1.It is very expensive to clone a pet.2.It is selfish because it is an excuse for a holiday.3.It is selfish because it means the student can study abroad without his mother complaining. Assignment 1. Finish the listening task on English Weekly. 2. Make a conclusion of t

24、he listening and speaking skills learned in this class. Uni t 2 Cl oni ng Period 6: 幻 燈 片 72-79頁 Making clear the writing task ( 3ms )寫 作 任 務(wù) ： Give your opinion on cloning寫 作 要 求 ： 注 意 記 敘 文 的 表 達 方 式 要 寫 明 白 自 己 的 觀 點 ， 層 次 要 分 明 。寫 作 建 議 ： 本 單 元 主 要 講 述 了 “ cloning”存 在的 問 題 以 及 人 們 的 態(tài) 度 ， 文 中可 適

25、 當(dāng) 就 此 進 行 發(fā) 揮 。 Writing I Discussion ( 5ms )Discuss in groups and write down the information you get. After the discussion, the students write a passage according to the writing task.( There are at least 100 words. )Writing II ( 20ms ) Writing III ( 12ms )Checking the articles.1. Ask the students t

26、o check the articles for their partners.2. Show some articles on the screen, other students should give some advice. One possible version: Together with the modernest advances in science and technology, the news that Dolly had been born was announced in 1997. However, Dollys death raised many opinio

27、ns about cloning. Personally, I would like to agree that cloning may do no good to our human beings. Firstly, seeing Dolly, we may think that cloning animals can easily develop a disease. They cant live long. Secondly, we cant clone animals that have been extinct longer than 10000 years, even if the

28、 DNA of dinosaurs could survive this long. Thirdly, based on what we know now, human cloning is just a matter of time but the assumption that human clones have already been born hasnt been proved yet. In one word, personally, the chances of cloning animals and cloning human beings living on the eart

29、h naturally are merely a dream. Assignment1. Try to correct the composition .2. Finish the exercises of unit 2 on English Weekly. Language points for Reading IVideo data 幻 燈 片 80-94頁 1. This happens in plants when gardeners take cuttings from growing plants to make new ones, happen vi. occur by chan

30、ce; take place (偶 然 地 ） 發(fā) 生 ； 出 現(xiàn) happen to do happen to sb. It happened that happening n. 事 件 ； 偶 然 發(fā) 生 的 事 （ 常 用 復(fù) 數(shù) ）當(dāng) 園 藝 工 人 割 草 而 使 之 長 出 新 的 植 物 時 ， 就 會 發(fā) 生這 種 情 況 ， 、 、 、 、 、 、碰 巧（ 某 人 ） 發(fā) 生 什 么 事 了碰 巧 辨 析 ： happen, occur, take place與 come about四 詞 都 有 “ 發(fā) 生 ” 之 意 ， 但 有 區(qū) 別 。 happen 是 一 般 用

31、語 ， 詞 義 較 廣 ， 強 調(diào) 事 情 發(fā) 生 的 偶 然 性 ; occur 用 法 較 正 式 ， 既 可 以 指 自 然 發(fā) 生 ， 也 可 以 指 有意 安 排 。take place 一 般 指 有 計 劃 ， 按 事 先 安 排 的 進 行 的 含 義 。come about 往 往 注 重 事 情 發(fā) 生 的 原 因 ， 常 與 how 連 用 。注 ： 以 上 四 組 詞 均 為 不 及 物 動 詞 ， 無 被 動 語 態(tài) 。 Use the above words to fill the following blanks:1) When did the explosion

32、 _ ?2) Important elections _ this fall?3) The concert will _ next Sunday.4) How did the quarrel _ ?occurtake placecome abouthappen 2. The nucleus of this cell contains all the genes needed to produce a new sheep.這 個 細 胞 得 細 胞 核 含 有 生 產(chǎn) 一 只 新 的 綿 羊 的 必 需 的基 因 。needed to produce a new sheep 為 過 去 分 詞

33、短語 作 后 置 定 語 ， 修 飾 其 前 面 的 名 詞 genes, 構(gòu)成 動 賓 搭 配 關(guān) 系 。contain v. have or hold within itself 飽 含 ， 里面 有 辨 析 ： contain 與 include contain “包 含 ， 含 有 ” ， 側(cè) 重 于 包 含 的 內(nèi) 容或 成 分 ， “ 里 面 裝 有 ” ； include “包 括 ” ， 側(cè) 重 范 圍 或 整 體 。Eg:1) Whisky _ a large percentage of alcohol. 2) The book _ forty maps, _ three o

34、f Great Britain.containscontainsincluding 3. The nucleus from sheep B and the egg cell from sheep A are joined using electricity.Using electricity 為 現(xiàn) 在 分 詞 短 語 作 方 式 狀 語 。 聯(lián) 手 ， 攜 手 參 加 活 動 和 某 人 一 起 做 事 參 軍 ， 連 起 來從 綿 羊 B中 取 出 得 細 胞 核 與 從 綿 羊 A中 取 出 得 卵 細 胞用 電 流 使 之 結(jié) 合 。Join handsjoin in sth. / d

35、oing sth join sb. in sth.join up 辨 析 ： take part in, join ,join in 與 attendtake part in 指 參 加 某 項 活 動 ， 并 以 積 極 的 態(tài) 度在 所 參 加 的 活 動 中 起 作 用 ；join “加 入 ” 團 體 或 組 織 ；join in 指 參 加 活 動 和 游 戲 ；join sb. In sth. 和 某 人 一 起 做 某 事 ；attend 參 加 會 議 (聽 演 講 、 聽 音 樂 、 參 加 婚 禮 ） 4.cast down 使 沮 喪發(fā) 現(xiàn) 突 破 性 克 隆 動 物 的

36、 命 運 使 他 沮 喪 。He felt cast down when he discovered the fate of the breakthrough clone.不 要 這 么 沮 喪 ， 打 起 精 神 來 ！Dont be so cast down. Just keep up your spirits. cast down 有 兩 個 義 項 ： 毀 掉 ； 使 沮 喪 ， 另 外 ，cast away 丟 棄 ， cast off 放 棄 ； 丟 棄 ， cast out 趕 走 5.in favor of 贊 成 ； 有 利 于比 分 是 80比 78， 客 隊 獲 勝 。T

37、he score was 80 to 78 in favour of the guest team.今 天 的 兌 換 率 對 我 們 有 利 。The exchange rate is in our favour today.in favour of 贊 成 ， 支 持 ， 與 against相 對 。 6.be bound to注 定 ； 有 義 務(wù) 做明 天 天 氣 一 定 會 變 好 。The weather is bound to get better tomorrow.發(fā) 現(xiàn) 突 破 性 克 隆 動 物 的 命 運 使 他 沮 喪 。我 覺 得 有 必 要 對 你 說 ， 你 酒

38、喝 得 太 多 了 。I feel bound to tell you that you are drinking too much.be bound to do sth.有 兩 個 義 項 ： 注 定 ， 一 定 會法 律 責(zé) 任 或 義 務(wù) 做 某 事 。 7.pay off （ 事 業(yè) 、 計 劃 ） 成 功他 付 清 全 體 船 員 的 工 資 并 將 他 們 解 雇 。He paid off the crew of the ship.最 終 他 還 清 了 所 有 的 債 務(wù) 。In the end he paid off all his debts.pay off 有 三 義 項

39、： 成 功 ； 付 清 薪 水 并 解 雇 ； 償還 （ 債 務(wù) 等 ） 。 Use the proper forms of the following phrases to fill in the blanks:cast down pay off in favour of from time to time be bound to Finish the following exercises:1. She was _ by her husbands death.2. My uncle comes to have dinner with us _ .cast downfrom time to time 3. He has been working so hard at his lessons, so he _ pass the exam this time.4. Finally his efforts _ .5. All of them were strongly _ the project.is bound of paid offin fovour of