还剩21页未读，继续阅读
本资源只提供10页预览，全部文档请下载后查看！喜欢就下载吧，查找使用更方便
文本内容:
Unit4Natural DisastersPeriodI Listening and SpeakingReading andThinking
1.It seemedas ifthe worldwere comingto an end!as if的用法意为“仿佛；好像”，与asthough同义，可以引导表语从句，也可以引导方式状语从句1as if/as though引导表语从句，主语中的系动词常用look,appear,seem,sound等It sounds as if/as thoughyou hada goodtime.2as if/as though引导方式状语从句I rememberedthe wholething as if/as thoughit happenedyesterday.3）as if还可引导状语从句当说话人认为从句所陈述的是不真实的或不可能发生（存在）的情况时，从句谓语常用虚拟语气，结构如下与现在事实相反从句谓语动词用过去时（be动词用were）与过去事实相反从句谓语动词用过去完成时（haddone）与将来事实相反从句谓语动词用would/could/might do1They completelyignore thesefacts as if theynever existed.他们完全忽略了这些事实，就仿佛它们不存在似的2It wasJohn whobroke thewindow.Why areyou talkingto me as ifI haddone it打破窗户的是约翰为什么你说得好像是我打破的似的？3He openedhis mouthas ifhe wouldsay something.他张开嘴好像要说些什么练习
①He treatsmeasif Ibehis owndaughter.
②They talkedasif/though theybefriends foryears.3It seemsasif.噪声似乎是从楼下传来的答案were;had been;the noisecame fromupstairs.
2.Most bridgeshad fallenor werenot safeto cross.“主语+系动词+表语+todo”结构在此结构中，表语一般为性质形容词，常见的性质形容词有easy,hard,difficult,safe,interesting,heavy,light,pleasant,good,nice,comfortable,dangerous,impossible等止匕句型可转换成“It+be+adj.+动词不定式”的结构注意:1）在该结构中，当动词不定式或句子主语构成逻辑上的动宾关系时丁不定式多用主动形式表示被动意义He is not easyto getalong with.=It isnot easyto getalong withhim.The bookis very interesting to readmit is veryinterestingtoreadthe book.2）当不定式中的动词为不及物动词时，要在其后加上适当的介词The chairlooks ratherhard,but infact,it isvery comfortableto siton.=The chairlooks ratherhard,but infact,it isvery comfortableto siton thechair.练习:1This machineisveryeasyoperate.Anyone canlearn touse itinafew minutes.2The differencein thicknessand weightfrom theearlier versionmakes theiPad2morecomfortablehold.3I likegetting upvery earlyin summer.The morningair isso goodbreather.4The noiseoutside ishard toput up.5is unfitto drinkthe water in thiswell.答案to operate;to hold;to breathe;with;It
3.Soon afterthe quakes,the armysent150,000soliders toTangshan todig outthose whoweretrapped andto burythe dead.常接动词不定式作宾补的动词advise,allow,ask,command命令，encourage,invite,persuade说月艮,prefer,tell练习1First ofall,please allowmeintroduce myselfto you.2Toms brotherwho isnow adoctor alwaysencourages himstudyhard andgo tocollege.3The Chairmanthought itnecessary toinvite atthe meeting.答案to introduce;to study;to speakPeriodII DiscoveringUseful StructureListeningandTalking
1.supply n.［C］供应（量）；储备；（复数）补给品，必需品［U］供应；供给1V.提供；供应______________n.供应商in supply供应短缺supply sbsth.给某人提供某物supply sthsb提供某物给某人be/supplied withsth.某物供应充足/不足答案supplier;short;with;to;well;poorly练习1A pipelinehas beenbuiltsupply someeastern provinceswith naturalgas fromthe westof China.2Water isshort supply,pollution isworsening,and thereisnoaffordable housingleftfor themto buy.3The brainrequires constantsupplyof oxygen.4The loungewas wellsupplied ashtrays.答案to supply;in;supply;with
3.calm adj.镇静的；沉着的；海洋、湖泊等风平浪静的；天气无风的V.使镇静；使平静adv.镇定地；沉着地丁n,平静；镇定形容词短语________/_________/_________保持冷静动词短语calm sb使某人安静下来；使某人平静下来答案calmly;calmness;keep;remain;stay;down练习1All thingsthere gavehim sfeeling ofsecurity andcalm.2Everyone mustthink thissituation throughcalmand coolly.3Some peoplesay softmusiccalm ournerves神经.4He wasvery excited,and itwas longbefore hecalmdown.5Never havea drinkor takedrugs tocalm yourself.答案calmness;calmly;calms;calmed;down易混辨析calm,quite still与silent易混词用法calm指湖泊、海洋等处于一种风平浪静的状态；指人镇静或不慌张；还可以指地点、时期、情况等是平静的或稳定的quiet指物时，表示没有喧闹或没有骚动，处于一种静止的状态或宁静的环境；指人时，表示不发出声音或不发表意见，也可指人的性格温和、文静、不易激动等still主要指完全无动作，通常用于表示物理上的静止，不表示心理上的平静silent着重指沉默无语或没有声音，但不一定指没有动作或活动练习1Youd betterkeep aboutthis anddont tellanyone else.2He livesa lifein thecountry.3Please sitwhen Itake yourphoto.4After the storm thesea was.答案silent/quiet;quiet;still;calm
1.sweep（swept,swept）v.打扫；清扫；吹走；冲走；横扫；掠过；风行n.清洁工；清扫机器sweep打扫；清扫sweep消灭；摧毁；彻底消除sweep扫视；掠过sweep扫过；掠过；风行答案sweeper;up;away;over;across;around;through（）
1.Fishermen,tourists,hotels,homes,and carswere sweptaway byhuge wavescaused bythestrong earthquakethat reacheda magnitudeof
9.
6.ruin n.[C]废墟pLmins[U]破坏；毁坏；破产v.毁掉；使破产名词短语:动词短语:ruin oneshope使某人的希望破灭ruins严重受损；破败不堪ruin oneshealth损害某人的健康ruin oneself自我毁灭答案:lie/be;in练习:1Yesterday aheavy rainruin ourpicnic.2When theyreturned toRockaway thenext day,they foundtheir neighbourhoodin3At thattime mywife ruinher healththrough worry.答案ruined;ruins;was ruining
①students wereabsent fromthe meeting.2As aconsequence,polar bearsis becomingsmaller andsmaller.2用所给动词的适当形式填空3The numberof undergraduatesincreaseover theyears.4A goodnumberofbooks inthe marketbestill examination-oriented.答案A numberof;the numberof;has increased;are
10.breathe vi.vt.呼吸n.呼吸；气息adj.气喘吁吁的adv.气喘吁吁地adj.令人惊叹的；惊人的动词短语:breathe吸气/呼气名词短语:ones breath恢复正常呼吸ones breath屏住呼吸be breath喘不过气来take onesbreath awaya breathof air/wind答案breath;breathless;breathlessly;breathtaking;in;out;catch;hold;outof;令某人惊叹；一丝微风练习1There isntabreathe ofwind today.2It isgoodbreathe infresh airinstead ofcity smoke.3He wasbreatheheavily afterchasing thebus.4Heavy smokingmakes himbreath.5The newmanager hasbreathefresh lifeinto thecompany.6He hasgreat difficultyin catchinghebreath.7She wasout ofbreathefrom climbingthe stairs.8The doctortold meto breatheand thenbreathe outslowly.答案breath;to breathe;breathing;breathless;breathed;his;breath;in
11.effort n.努力；艰难的尝试；尽力make efforts努力；尽力make efforts/an effortto dosth.尽一切努力做某事
12.suffer vt.遭受；蒙受vi.因疾病、痛苦、悲伤等受苦；遭受；变差Xn.[C]受难者；患者In.[C,U]身体/精神上的痛苦作可数名词时常用复数经受痛苦遭受失败。
个人认证
优秀文档
获得点赞 0
