Unit4

WildlifeandgardenrosesLead-in1.WhatwasDarwinfamousfor?

Hewasfamousforwritingabookcalled“ontheoriginofspecies”.2.Whatisthemainideaofthebook?Hesaidthatalllivingplantsandanimalsgraduallydeveloped.Fastreading

Howmanypartscanthepassagebedividedintoaccordingtothemeaningofthepassage?Summarizethemainideaofeachpart.PartI--Para1-3:PartII--Para4-5:

PartIII--Para6:PartIV--Pa7:Darwinandhisresearch.Mendelandhisexperiment.Turessonandhisstudytheimportanceandsignificanceoftheresearchofthethree.CarefulreadingReadthepassagecarefullyanddothecomprehensionontheexerciseforeachlesson.Darwinobservedthatthebirdswith__wouldeat___.

A.smallbeaks;hardseedsB.broadbeaks；hardseeds

C.hardbeaks；hardseedsD.broadbeaks；softseeds2.Darwinjoinedthescientificexpeditionon___．

A.EndeavourB.TahitiC.theBeagleD.space3.WhatwasthepurposeofMendel’sexperiments?Hispurposewasbasedonhislovenature.Hispurposewastosupporttheideasconcerningtheinfluenceofenvironmentuponplants.Hispurposewasbasedontheinfluenceofgeneticsuponplants.4.Thebeliefofthescientistsofthenineteenthcenturywas_____Theinfluenceoftheenvironmentledtothedevelopmentofnewspecies.Theinfluenceoftheenvironmenthadnoeffectonnewspecies.differentvarietiesofspeciesdependedondifferentenvironmentsGeneticsledtothedevelopmentofnewspecies.5.TheresearchbyDarwin,MendelandTuressonshowsthat___.

A.geneticsismoreimportantthantheenvironmenttoplants

Bgeneticsislessimportantthantheenvironmenttoplants

C.bothgeneticsandtheenvironmentareimportanttoplants

D.neithergeneticsnortheenvironmentisimportanttoplantsUsefulphrasesinthispassage:1.享受做試驗的充分自由Enjoyallthefreedomtoexperiment2.值得特別重視Deservespecialattention3.明顯與…相關(guān)showaclearrelationshipwith4.有關(guān)Berelatedto5.用花朵和豌豆實驗Conducthisexperimentswithflowersandpeas6.代代相傳Passonfromonegenerationtothenext7.導(dǎo)致遺傳學的產(chǎn)生Givebirthtothescienceofgenetics8.形成理念Formthebelief9.研究玫瑰的變異情況Studymanyvarietiesofgardenroses10.重新認識環(huán)境對物種的重要性Bringtheimportanceoftheenvironmentonspicesinview11.大葉Broadleaves12.外形改變Changeone’sappearance13.適應(yīng)新環(huán)境Adapttothenewenvironment14.靠近地表生長GrowclosetothegroundLanguagepoints1.(P1.L1)…toexperimentanddowhateverheliked.

everythinghelikedallheliked.2.(P1.L4)Darwin’sobservationsonthatvoyageledhimtowritehisfamousbook…句中whatever引導(dǎo)名詞性從句,在句中作賓語,它還可以作主語表語等.nomatterwhat只能用在狀語從句中l(wèi)eadto是一個活躍的詞組，意為“通向”、“導(dǎo)致”、“使得”等等，其常見的結(jié)構(gòu)是leadtosth.或leadsb.to

sth.或leadsb.todosth.。如：Allroads______Rome.條條道路通羅馬。Thereisonlyonepath________thecastle.只有一條小路通往城堡。Hardworkandproperwayswill______________success.勤奮的工作和正確的方法會使你成功。

What______________________?是什么使得你相信他的?leadtoleadingtoleadyoutoledyoutobelievehim3.(P2.L2)…anddeservedspecialattention.deserve

vt.這個詞字面意思是“值得”、“該受到”，可褒可貶。①Ithinkyou‘replayingwithfire.Youdeserveit!你是玩火自焚，真是自作自受?、贖owdareyoudothistome?Youdeserveakickintheass!你竟敢這樣對我？找打??？③Suchalittleboyhastoworktosupporthisfamily.Itdeservessympathy.Ifyoudowrong,youdeservepunishment.Ifyoudowrong,youdeserve

punishing.

Ifyoudowrong,youdeserve

tobepunished.類似的詞還有：need;want;require4.(P.2,L1)Itwas…thatgivehimthekeytohisnewtheory.使他獲得創(chuàng)建新理論的要領(lǐng).

thekeytosth./doingsth.…的關(guān)鍵,…的答案①Thisisthekeytotheimprovementoftheirlivingconditions.

②Thisisthekeytoworldpeace.這是他們生活條件得以改善的關(guān)鍵.這是和平的關(guān)鍵theanswerto_____________/theentranceto__________thesolutionto____________thelimitto______________theguideto____________theresponseto____________theattitudeto_____________…的答案…的入口…的解法…的極限…的指南…的響應(yīng)…的態(tài)度6.(P5.L4)Itwouldtakeanextgenerationofscientiststobringtheimportanceoftheenvironmentonspeciesbackinview.①Therewasnotahouseinview.（看見）②Hewantstofindwork,buthehasnothingparticularinview.(考慮)…但他沒有具體的目標。bringsthbackinview重現(xiàn)在視野comeinview出現(xiàn)在視野inview(of)

可以看見；在考慮之中；計劃好的③

Inviewof

hisyouth,thepolicehavedecidednottopresscharges.(考慮到；由于；鑒于)7.(P.7,L3)suchassoilconditions,isofequalimportancetotheoutputofcrop.

對糧食農(nóng)作物產(chǎn)量具有同樣重要的意義.beof+抽象名詞=be+該詞的形容詞beofimportance=beimportantbeofvalue=bevaluablebeof+thesize/age/weight/kind/heightetc.這類抽象名詞沒有相應(yīng)的形容詞.Theyareofthesameagebutofdifferentheight.他們同齡但不一樣高.Writing達爾文年輕時想干什么就干什么。他對物理化學和植物學有著特別的愛好。22歲時，他就應(yīng)邀參加了“小獵犬號