2019-2020学年高中英语 Unit 5 Meeting your ancestors peri

Period2WarmingUp&Reading(2)Ⅰ.单句语法填空1．Afterthreedayswithoutfood,themenwerecloseto________(starve)．2．Therearemanyrubbertreesinthe________(botany)gardenwhichcanproducealotofrubbereveryyear.3．Thekitchenknifehasbecomedull,soMotheraskedmeto________(sharp)it.4．Thisexperimentisdesignedtotestthe________(accurate)ofthenewequipment.5．Hisabilitytodisposeofthe________(mess)situationcausedbyangrypeoplecaughttheattentionofhissuperior.6．Theseapplesneedanotherweekto________(ripe)．【答案】1．starvation2．botanical3．sharpen4．accuracy5．messy6．ripenⅡ.句子结构分析1．Wehaven'tfoundanydoorsbutwethinktheymighthavehunganimalskinsatthecavemouthtokeepoutthecoldduringthefreezingwinter.本句由________引导两个并列结构，即Wehaven'tfoundanydoors和wethinktheymighthavehunganimalskins…，在第二个句子中，又含有一个省略了that的________从句，而且，这个句子中包含有三个状语，即地点状语________，目的状语________和时间状语duringthefreezingwinter。句意：______________________2．Well,we'vebeenfindingthebonesoftigersandbearsinthecaves,andwethinktheseweretheirmostdangerousenemies.在本句中，在第一个分句中，宾语为____________。而在第二个分句中，其宾语是一个从句，省略了that，从句的主语为________，它在此处指代前面已经出现过的________。句意：_____________________________3．Theydidn'tgrowtheirowncrops,butpickedfruitwhenitripenedandhuntedanimals.本句是一个简单句，主语为________，谓语为grow,picked和________。When在此引导________从句，其谓语为______。句意：____________________________【答案】1．that；宾语；atthecavemouth；tokeepoutthecold我们没有发现任何的门，但是我们认为，在寒冷的冬天，他们可能在洞口挂上动物的皮来抵御寒风。2．thebonesoftigersandbears；these；tigersandbears嗯，我们一直在洞里找到了老虎和熊的骨头，我们认为，这些是他们最危险的敌人。3．They；hunted；时间状语；ripened他们不种植庄稼，而是在果子熟了的时候摘果，还有狩猎。1．alternativen．可能的选择adj.供选择的；其他的Canyouthinkofthealternativeswewouldusetoday?你能想到我们今天可以使用的替代品吗？(1)havethealternativeofdoingsth有做某事的选择；可以做某事havenoalternativebuttodosth(除……以外)别无选择thereisnoalternative…别无选择analternativeto是……的替换物；可以代替(2)“别无选择只好做……”的其他几种表达方式：havenochoicebuttodosthhavenothingtodobutdosthcandonothingbutdosthcannotbutdosthShehadnoalternativebuttoaskforafewdays'leave.实在不得已，她只好请几天假。alternative严肃的选择。强调必须从两个或多个选择中选择一个choice普通用词。强调自由选择，不论选择方式的多少完成句子①除了继续下去，我们别无选择。We__________________buttogoon.②除了战斗到胜利，别无选择。______________________________buttofighttillthevictory.③30岁以上的人可以选择结婚，也可以选择独身。Peopleabove30________________________marryingorremainingabachelor.④这可以作为端到端迁移的一个替代方案。This______________________________endtoendmigration.【答案】①havenoalternative②Therewasnootheralternative③havethealternativeof④canbeanalternativeto2．interruptvt.&vi.打断讲话；打岔；暂时中断或中止Thewarinterruptedthetradebetweenthetwocountries.战争使两国间的贸易中断了。(1)interrupt…with…用……打断……interrupt…in打断……(2)interruptionn．中断；阻断物；中断时间withoutinterruption不间断地(3)interruptiveadj.阻碍的；打扰的interrupt指使原来进行的活动中断或停顿下来，尤其指打断别人的话disturb较正式用词，语气较强，多指妨碍工作的进行或使人不能安宁选词填空(interrupt/disturb)①Don't__________mewhileIamlisteningtomusic.②Ifyougetupearly,trynotto________anyoneelse.完成句子③我们去找个说话不受打扰的地方吧。Let'sgosomewherewherewecantalk________________________.【答案】①interrupt②disturb③withoutinterruption3．assumevt.假定；设想；认为Iassumehistrainwaslate.我猜想他的火车晚点了。(1)assume＋that…认为……Itisassumedthat…被认为……assumesth/sbtobe/that…假定某物/某人是……(2)assuming(that)…假设/假定……(3)assumptionn．假定；设想makeanassumption认为；假设ontheassumptionthat假定assume假设；设想；认为。指很少或完全无根据的心里猜测，并非合乎逻辑的推理，或指为论证而提出有一定根据的假设guess猜测；猜想。最常用词，指毫无根据仅凭个人主观臆断或碰运气的猜测imagine想象。指毫无根据随意想象，可在脑海中构成明确的、清晰的图像部分分词可以转化为连词，引导条件状语从句，表示“如果，假定”。常见的还有：supposing(＝suppose)，providing(＝provided)，given，considering等。选词填空(assume/imagine/guess)①__________itrainstomorrow,whatshallwedo?②Wecanhardly________lifewithoutelectricity.③Ican't________yourthoughts.完成句子④在证实他有罪之前我们必须要假定他是清白的。We____________________innocentuntilheisprovedguilty.【答案】①Assuming②imagine③guess④mustassumehimtobe4．regardlessof不管；不顾Regardlessoftheresults,wehavetofollowhisadvice.不管结果怎样，我们不得不听从他的建议。Hesleepsregardlessofthenoiseoutside.他尽自睡着，也不管外面吵闹的声音。asregards关于；至于regard…as…把……当作……regardlessof跟名词、动名词和其他短语作宾语；不能直接跟从句，但可以接thefactthat…；同义词是despite及inspiteof，但despite和inspiteof还有“尽管”之意。句型转换①Theplanetookoffontimeinspiteofthebadweather.__________theweather______________，theplanetookoffontime.完成句子②培训班欢迎各个年龄段的学生参加。Thetrainingclasswelcomesallstudents________________.【答案】①Although；wasbad②regardlessofage5．atmost至多；最多Itwilltaketwohoursatmosttogetthere.最多两小时便可到达那里。forthemostpart多半；大体上；基本上inmostcases多数情况下；通常情况下makethemostof充分利用，尽量利用；十分重视mostofall最重要的是；首先atmost也可写成atthemost，其反义词组为attheleast至少。完成句子①这次旅行最多只会花去你50英镑。Thetripwillonly__________________________.②尽可能多锻炼身体，每周锻炼四至六次，每次至少30分钟。Getasmuchexerciseaspossible,______________everytime,fourtosixtimesaweek.【答案】①costyoufiftypoundsatmost②atleast30minutes6．sharpenvi.&vt.(使)锋利；尖锐；清晰Thesoldierssharpeneduptheirknives.战士们把刀磨得锋利。Debatesharpensone'swits.辩论使人才智敏锐。sharpensthup使达到标准；使符合质量要求sharpadj.锋利的；急剧的；敏锐的；尖刻的；adv.(置于时间之后)……准；……正sharpenern．磨具；削具Becarefulwiththatknife—it'sverysharp.当心那把刀子——它很锋利。语法填空①Apencil________(sharp)isadevicethatcanbeused________(sharpen)apencil.完成句子②他决定两点整来这儿。Hedecidedtocomehere_____________.【答案】①sharpener;tosharpen②attwoo'clocksharp7．cutup切碎；使痛苦Cutupthecarrotbeforeyouputthemintothepot.把胡萝卜切碎后再放进锅内。cutacross走捷径；抄近路cutaway切除；砍掉cutdown减少；砍倒cutin插嘴；打断cutoff中断(气、电、水等的)供应；切断；使隔绝cutout切掉；删掉cut…intopieces劈碎；切碎用适当的词填空①Thegashasbe