Unit2TherelativeclauseATriptoHuangshanNaturalResourcesLanguagestructuresLookatthefollowingsentences:1.Whatdoyoucallapersonwhoisinchargeoforhelpstorunalibrary?2.Whatdoyoucallthethingthatyouholdtoshelteryourselffromrain?Haveyoureadallthebooksthatyouborrowedfromme?1.先行词all,关系代词只能用that。同理有以下词:all,much,anything,something,nothing,everything,little,none等不定代词。2.如果先行词被形容词最高级以及first,last,any,only,few,much,no,some,very等词修饰,关系代词常用that,不用which,who或whom3.如果关系代词紧跟在介词后面,不能用who或that,只能用which或whom。4.在非限从句中,不能用that,做宾语的代词也不可省略。ATriptoHuangshanTheYellowMountainisoneofthemostfamousmountainsinChina.ItliesinthesouthoftheAnhui.EveryyearthousandsofChinsesandforeignerspayavisitthere.Ittakesyougettherebybus.Youcanalsogotherebytrainorbyplane.Whileyouareclimbingthemountain,youcanenjoytheseaoftheclouds,wondrouspinesanduniquerocksaroundyou.Intheearlymorningwhenthesunrises,theskylooksverybeautiful.It'sreallyaniceplacetovisit.Questions1.What’sthebesttimetogotoHuangshan?2.WhydopeoplevisitHuangshan?3.WhydosomepeoplegotoHuangshanbyplanewhileotherschoosetotakeabus?4.WhatisHuangshanmostfamousfor?5.DidBtellAthedetailsabouthowtogettoHuangshan?Whynot?Newwordsafford,session,definitely,trade-off,fabulous,scenery,considerable,winding,nervewracking,stretch,john,incidentally,rappelling,partakeof,itinerary,Youknow,summerisalwaysthetouristseasonformountainresorts.season:假日,旺季。(食物)盛产季节。theholidayseason,tomatoseason,footballseason.Wecan’taffordthetimewhenschoolisinsession.affordWhenIwaslittle,myparentscouldnotevenaffordanewtelevision.(有足够的钱,时间或地方做某事)Heistooafraidtostandagainsthisbossbecausehecannotaffordtolosehisjob.(冒风险做某事)Theinternetaffordsconveniencetomany.(给予,供给)insession:notonvocation不在休假期;assembledforbusiness开庭,开会AreAmericanuniversitiesinsessionduringAugust?Thecourtisnowinsession.asatrade-offtrade-off:abalancingofvariousfactorsinordertoachievethebestcombination,compromise.权衡,协调tradesth.off–givesth.(inexchangeforsth.)asacompromise.Atrade-offbetweenefficiencyinuseandeleganceofdesignhasbeenachieved.效能和设计优美两方面达到了协调一致。aone-waybusride:单程returntrip,roundtrip:往返onnarrowwindingroadswinding:twistingorturningwind-wound-wound(蜿蜒曲折)Thepathwindsthroughthewoods.wind–winded-winded(吹,使呼吸急促)stretchone’slegs:Goforashortwalk,usu.Afteryouhavebeensittingdownforalongtime.Officeworkersneedtostretchestheirlegsfromtimetotimebecausetheirworkingstyleistoosedentary.stretchapoint–超出一般所允许的范围;做出让步stretchsth.out-使某物延续或足够所需stretchoneselfout-躺着舒展身体incidentally[ɪnsɪ'dent(ə)lɪ]bytheway顺便提一句inanincidentalway偶然地,不经意地incidental:较不重要的,次要的;偶然发生的Thelettermentionedmyparentsonlyincidentally.Thedinnerpartyprovedtobeincidentaltothemainbusinessoftheevening.Risksareincidentaltoexplorations.Sampleoutlineforretelling:1.Huangshanisafamousscenicspot.2.AasksBabouthistriptoHuangshan.3.BtellsAwhenthebesttimetogotothereis.4.BtellsAtheadvantages/disadvantagesoftakingaplane/bus.5.BwillnottellAhowtogettoHuangshanindetailuntilAhasdecidedtogo.ReadingIAnyofyoucomefromHuangshiorJinmeninHubei?YellowstoneNationalParkistheUnitedStates'—andtheworld's—firstnationalpark,establishedbytheUSCongressonMarch1,1872.Coveringover2.2millionacres/899,000hectares,theparkislargerthanthestatesofRhodeIslandandDelawarecombined.Thereareninevisitorscentersandmuseums,ninelodgingfacilitieshostingatotalofmorethan2,000rooms,morethan2,000campingsites,about50picnicareasandamarina.SuspensionbridgespanningtheGoldenGate,SanFrancisco.Fromitscompletionin1937untilthecompletionofNewYork'sVerrazano-NarrowsBridgein1964,ithadthelongestmainspanintheworld,4,200ft(1,280m).Itremainsincomparableinitsmagnificence.Itsconstruction,supervisedbyJosephB.Strauss(18701938),involvedmanydifficulties:rapidlyrunningtides,frequentstormsandfogs,andtheproblemofblastingrockunderdeepwatertoplantearthquake-resistantfoundations.Finishtheexerciseonpage15ofyourworkbook.Newwords:extraordinary,acre,priority,conservation,enterprise,giant,lumberjack,furious,marchinto,primarily,appealto,geysers,mighty,geothermal,canyon,meadow,intact,temperate,lumberman,devastate,rot