SectionⅡLearningaboutLanguageⅠ.单词拼写根据汉语或首字母提示，写出下列单词1．Asisknown,metalsexpand(膨胀)withheatandcontract(收缩)astheycool.2．Whydoesitcostsomuch?Ithinkit'sjustanordinary(普通的)cellphone.3．Theconferencemarkedanimportantstage(阶段)inthetwocountries'relationship.4．Iceandsnowaredifferentformsofthesamesubstance(物质)—water.5．OneofMrLi'saims(目标)istofinishwritingtwobooksbeforegoingabroad.6．Whatconclusionhaveyoudrawnfromthefacts?Pleasetellmeatonce.7．Weareproudofhavingallthelatestequipmentinourchemistrylab.8．“Whatishisreactiontoourplan？”heaskedafterthemeeting.9．Howtouseelectricitysafelyhasbecomegeneralknowledgeinthevillage.10．Watercanhavethreestates:liquid,solidandgas.Ⅱ.拓展词汇根据词性和汉语提示，写出下列单词1．mixv．混合→mixturen.混合物2．reactvi.(化学)反应→reactionn．反应3．concludevt.推论出；断定→conclusionn．结论4．equipvt.装备；配备→equipmentn.设备；装备5．electricadj.电的；用电的→electricaladj.与电有关的；用电的→electricityn．电“扩展”动词全接触后缀ment名词小结expand扩展；扩张enlarge扩大spread扩展；蔓延extend延伸；延续treatment对待；治疗announcement通知；通告achievement功绩；成就punishment惩罚Ⅲ.补全短语根据提示补全下列短语1．thinkof想起；考虑2．put...inorder将……按照顺序排列3．atthetop在顶部4．atthebottom在底部5．findout弄清楚；查明6．makesure确保7．add...to．..往……加入……8．keep...outof把……关在外面Ⅳ.选词填空选用上述短语的适当形式填空1．Youshouldkeepthedogoutofourbaby'sroom.2．IwillthinkofmychildhoodeverytimeIseethepicture.3．Tom,putyourtoysinorderafteryouplaywiththem.4．Thegardenaddsmuchbeautytothetown.5．Fathermakessurethatallthelightsareoffbeforehegoestobed.v.＋介词to→动词短语“位置”短语集锦addto增加，增添leadto导致；通向keepto遵守turnto求助于stickto坚持atthetop在顶部atthefootof在……脚下in(the)frontof在……前面(部)ontheleft在左边inthemiddle在中间背教材原句记句式结构仿写促落实1.Twothirdsoftheearth'ssurfaceiswater.地球表面的三分之二是水。分数作主语时其谓语动词的单复数与分数所修饰的名词一致。我们班里五分之三的学生是女生。Threefifthsofthestudentsinourclassaregirls.2.Itishardtothinkofaworldwithoutmetals.很难想象一个没有金属的世界。it作形式主语，动词不定式是真正的主语。对我们来说在这么短的时间内完成工作是很困难的。Itisdifficultforustofinishtheworkinsuchashorttime.3.Hereisatablewiththemetalsthatreactmostatthetop,andthemetalsthatreactleastatthebottom.下面表格中的金属反应最强烈的排在上面，反应最弱的排在下面。完全倒装结构。下面就是实验的结论。Herearetheconclusionsfromtheexperiments.conclusionn．结论；结束(经典例句)I'vecometotheconclusionthatheisnottherightpersonforthejob.我断定他不适合做这项工作。(1)draw/cometo/arriveat/reachaconclusion得出结论jumptoaconclusion匆忙下结论inconclusion最后；总之(2)concludev.下结论；结束conclude...with...以……结束……①Theydiscussedtheproblemforawholeday,buttheycouldn'tarriveataconclusion.他们就这个问题讨论了一整天，但他们也没有得出结论。②Inconclusion,I'dliketosaythatyouarethekindestpersonthatIhavemet.最后，我想说你是我遇到的最善良的人。③Whenthegroupdiscussioniscomingtoanend,makesuretoconcludeitwithimportantpoints.小组讨论接近尾声时，一定要以几条要点结束。aimn．目标；目的v．瞄准；对准；旨在；目的是(经典例句)Teamworkisrequiredinordertoachievetheseaims.要达到这些目标需要齐心协力。(1)achieveone'saim达到某人的目的；实现某人的目标takeaimat瞄准(2)withtheaimof...为了……withoutaim无目的地(3)aim(sth.)...
