【正文】 st the puma have e from? Must have happened or must be表推斷或猜測(cè) a probability based on logical reasoningThe puma must have escaped from a private collection. 這頭美洲獅肯定是私人豢養(yǎng)的。這個(gè)結(jié)論是在有了很多線索之后作出來的。整篇課文也講述了越來越充實(shí)的證據(jù)accumulating evidence。講述專家從不太當(dāng)真not taken seriously，到不得不去調(diào)查feeling obliged to investigate，到最后完全肯定的一個(gè)過程fully convinced。那么這些證據(jù)究竟有哪些，又是怎樣影響了專家的看法，大家在學(xué)習(xí)過程中要理清這些脈絡(luò)。Now let’s look at some language 。Language Points: A puma at large: be atlarge ( a dangerous person or animal having escaped from somewhere and may cause harm) 逃遁的, 沒有被控制的，可能給別人帶來傷害。此處，at large作后置定語。 The thief is still at largeat large 詳細(xì)地（= indetail）, 詳情 I need talk to you at large at large 總體來講（= asawhole） The students at large are hungry for English.escape逃跑，flee away跑開，scatter away：四散跑開，evade tax逃稅，desert one’s army, cut class 逃課Pumasarelarge,catlikeanimalswhicharefoundinAmerica.catlike 貓一樣的, 偷偷摸摸的, lifelike 栩栩如生的，motherlike, childlike(lovely), childish(immature)be found (there be): 產(chǎn)于，分布3WhenreportscameintoLondonZoothatawildpumahadbeenspottedfortyfivemilessouthofLondon,theywerenottakenseriously.表示看或看見的短語：spotted（to notice something very difficult to see, or find something being looked for看見不易看見的東西，發(fā)現(xiàn)了正在尋找的東西）, have seen（最常用）, observed(書面化)I spotted someone ing out of the building.一般來講定語從句和同位語從句緊隨在被修飾名詞的后面，但為了保持句子平衡，也可把謂語動(dòng)詞放到從句之前1 定語從句只是對(duì)于被修飾詞的補(bǔ)充說明、修飾 定語從句的引導(dǎo)詞： 指人：主語who；賓語who, whom；定語whose 指物：that（也可以指人）/ which 時(shí)間狀語：when / 地點(diǎn)狀語：where / 原因狀語：why2 同位語從句則是講述被修飾名詞的內(nèi)容 同位語從句的引導(dǎo)詞： 名詞(做主語、賓語等)：關(guān)系詞用that而不是which 時(shí)間：when；地點(diǎn)：where 定語從句中沒有what這個(gè)關(guān)系詞，但what可以引導(dǎo)同位語從句 Anideacametoherthatshemightdotheexperimentinanotherway. Ihavenoideawhathashappenedtohim。能連接同位語從句的名詞有：belief, information, fact, suggestion, idea, problem, doubt, order, rumor, discover, evidence, opinion, conclusionsouth of 在……以南theywerenottakenseriously人稱或指示代詞的替代含義要回到句子的切近部分去尋找它的中心含義。takesth seriously = dealwithsth seriously 認(rèn)真地對(duì)待某事 I always take your suggestions seriously.takesth lightly/slightly 草率地對(duì)待某事 Don’t take the hot potato lightly.4However,astheevidencebegantoaccumulate,expertsfromtheZoofeltobligedtoinvestigate, forthedescriptionsgivenbypeoplewhoclaimedtohaveseenthepumawereextraordinarilysimilar.However語篇標(biāo)識(shí)詞However (起轉(zhuǎn)折作用) As 連詞：隨著, 當(dāng)...之時(shí) for說明原因，不置于句首。as 不強(qiáng)調(diào)原因的重要性，since既然，弱因果關(guān)系A(chǔ)ccumulate: to gradually increase over a period of time逐漸增加或積累Fell obliged to do sth經(jīng)常做書面語must, have to, have duty to do something because of a law or a rule or situation，必須，有責(zé)任、有義務(wù)做某事 I felt obliged to invite him. claimed to have done動(dòng)詞不定式完成式，體現(xiàn)它所表示的動(dòng)作發(fā)生在謂語動(dòng)詞之前。be similar to sb in character，bear a resemblance to resemble father 酷似父親 take after father 隨爹（口）過去分詞做定語： the descriptions given by people the story told by the sailor (, 水手, 船員)Thehuntforthepumabeganinasmallvillagewhereawomanpickingblackberriessaw39。alargecat39。onlyfiveyardsawayfromher.Hunt捕獵，在文中指搜尋go on a deer/fox hunt 獵鹿/獵狐 hunt for secondhand books淘書 jobhunting 找工作Pick 采摘pick cotton, We need to pick someone reliable. 挑選 pick and choose挑挑揀揀 pick nose/ears/teeth挖掏剔Where a woman picking… 定語從句 IstillremembertheschoolwhereIstudiedEnglish.Itimmediatelyranawaywhenshesawit,andexpertsconfirmedthatapumawillnotattackahumanbeingunlessitiscornered.Corner: be forced into a situation that is not easy to escape陷入一個(gè)困境，被逼得走投無路Confirm = besure = becertain (confirm )Unless it is cornered = if it is not cornered (unless如果不, 除非) He will accept the job unless the salary is too low.A：May I have the loan? B: 除非 you offer good security. A. But B. Unless C. Provided如果 D But for要不是. 如果選Unless: If you offer good security, you may not have the loanThesearchproveddifficult,forthepumawasoftenobservedatoneplaceinthemorningandatanotherplacetwentymilesawayintheevening.Prove: turn out to be 證明是，原來是（不及物動(dòng)詞）The rumor proved false.They proved her （及物動(dòng)詞）。他們證實(shí)了她是無辜的。Whereveritwent,itleftbehinditatrailofdeaddeerandsmallanimalslikerabbits.把某物留在后面：leavebehind Wherever he went, the wound left behind him a trail of blood.Pawprintswereseeninanumberofplacesandpumafurwasfoundclingingtobushes.Clingclungclung, cling to: to stick to sth tightly粘在……上His wet shirt clung to his body.She clings