1、Unit 4 Developing Ideas Learning aims：1. Find out the differences between Leos two trips and analyse the reasons for it2. Read the passage and finish comprehension exercises.3. Underline important language points and finish translation exercises of leading paper.Step 1 Leading in 1.Find the differen

2、ces between Leos two trips?2. What contributes to the differences? differences 8 Aug 200818 Aug 2018transport took a taxi or a bus shared a ride,pedalled a shared bikeaccomadation a hostel a shared flatmealshad pizza lonelyshared a delicious meal power ran out of powerspotted shared power bank 1.Wha

3、t does “it” mean in the first paragraph?A.An object to study. B.Sharing. C.The thing shared with others.D.Social media.2.Which of the following sentences is WRONG?A.The action of sharing has new meanings.B.We can reduce the money through sharing.C.It is no use setting up positive emotional bonding b

4、y sharing.D.We can also make money through sharing.3.Sharing can cut down on waste because .A.we can reuse items by sharingB.we can use items that other people dont useC.sharing can reduce our shopping desireD.sharing makes us feel it shameful to waste4.What can be talked about in the next paragraph

5、?A.What we will share in the future.B.How to share with others in the future.C.The categories of sharing.D.The type of society that sharing will take us to.BCADStep 2 Reading Match the paragraphs to their functions and give your reasons.3, 2, 1, 4, 5elaborate:/lbret/ adj. 復雜的，精心制作的v. 詳細描述 on/upon Yo

6、u can elaborate upon your invlovement in your favourite sport team.你可以詳細說說你參加最喜愛運動隊的情況。1-c2-b3-a4-d5-e結合文章內容，寫一篇概要寫作。At an early age, we were taught to share things even feelings with others. Currently, the action of sharing has new ways. Sharing is beneficial to the world in many aspects , and it h

7、as some drawbacks as well. The sharing economy is becoming more and more relevant to our lives and we can imagine what it will be like in the future.Language pointsAnalyse and translate these sentences.1. Taking it as an object of study,psychologists have published various papers stating that the be

8、havior of sharing is beneficial to setting up positive emotional bonding .2.We are using technology to reduce the money that we spends on goods and services ,or to make money out of those that we dont use ourselves all of the time .2. Whether its an online shop where we can hire designer clothes at

9、rock-bottom prices , or a platform from which we can rent out our flats for a couple of days ,its out there .1. Taking it as an object of study,psychologists have published various papers stating that the behavior of sharing is beneficial to setting up positive emotional bonding .譯文：心理學家們把分享作為研究對象，發

10、表了各種各樣的論文來說明分享行為有助于建立積極的情感紐帶。句子主干：psychologists have published various papers taking it study 為現在分詞做狀語 stating thatbonding 為現在分析做定語修飾papers that引導賓語從句2.We are using technology to reduce the money that we spends on goods and services ,or to make money out of those that we dont use ourselves all of th

11、e time .譯文：我們正在利用科技來減少在商品和服務上的花費，或者使用我們一直閑置的物品賺錢。句子主干 ：We are using technology to reduce the money. or to make money.第一個that引導定語從句，修飾先行詞the money 第二個that 引導定語從句修飾先行詞those3. Whether its an online shop where we can hire designer clothes at rock-bottom prices , or a platform from which we can rent out

12、our flats for a couple of days ,its out there .譯文：無論是以最大價格出租名牌服裝的網店，還是可以把自己的公寓短租幾天的平臺，都已出現。句子主干為 its out therewhetheror引導讓步狀語從句，意思為“不論是還是”“不論是否”從句主干為 its an onlineshop .or a platform. 其中 where 引導定語從句，修飾先行詞 an online shop在從句中做地點狀語 ;from which 引導定語從句修飾先行詞 a platform Language points1. remind sb to do s

13、th 2. be beneficial to 3. take on 4. vary from .to .5. take off 6. all sorts of 7. a response to 8. (an) increasing demand for 9. at the click of a button 10.rent out 11.cut down on waste 12.As is often the case 13.exsiting regulations and ongoing supervision 1. 提醒某人做某事(remind sb of sth )2. 對有好處 = b

14、e of benefit3. 承擔，具有4. 從到5. 起飛；脫下；事業突然成功,突然走紅;休假6. 各種各樣7. 對的反應=respond to= in response to8. 日益增加的需求9. 點擊按鈕(at the click of the mouse 按一下鼠標)10.出租11.減少浪費12.情況常常如此（as引導非限制性定從）13.現存的法規和正在進行的監管14.take unfair advantage of 15.expand the share of the market 16.at the expense of 17.be subject to 18.damage to

15、 19.have a preference for 20.be increasingly relevant to 21.at such a rate 22.take sb to 23.do sb a favour 14.不公平的利用（have an advantage over sb 比有優勢）15.擴大市場份額（share n.份額，股份）16. 以損害為代價 at the price/cost of17.易受影響 ；服從于18.破壞（此處damage是不可數名詞，他還可以做動詞，直接加賓語）19.對偏愛20.與日益相關21.以如此速度 rate n. 速度，比率；v,評價，評估22.使某人

16、達到某層次23.幫某人個忙(be in favor of 支持，贊同)熟詞生義集錦：1、flat n.公寓；adj. 平坦的；單調的；電用完了的；輪胎 癟了的；撒了氣的2、deliver v.遞送；發表，發布；實現、兌現；分娩3、wealth n.財物；財富;大量；豐富a wealth of information 大量的信息The new manager brings a great wealth of experience to the job. 新任經理為這項工作帶來了豐富的經驗。4、subject n. 主題，題目 ； 科目，課程；（語法中的）主語adj.可能受影響的；易遭受的;取決于

17、；視而定Flights are subject to delay because of the fog. 由于有霧，航班可能延誤。The article is ready to publish, subject to your approval. 那篇文章準備好了，可以發表，就等你批準了。1.I dont think you appreciate how(expense) it will be. 2.They remind us (keep) monitoring actual climate developments. 3.I take delight in helping others,

18、which is (benefit) to others as well as myself. 4.By building up slowly, you can save yourself pain and (frustrate), and still reach your goals. 5.The young like to choose (design) clothes, because they want to look cool. 6.is often the case, we have worked out the production plan. 7.This is an exam