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1、冰箱发泡料异味问题检测办法.冰箱发泡料异味问题检测办法将塑料袋闸口再放20分钟后用试管式气体测定器插入气味检知管（GV-100S气体采集器）抽1分钟看玻璃管内抽出气味数量（目盛范围：0.5-10PPM）冰箱发泡料异味问题检测办法用抽真空仪插入气味检知管（内装化学成分）抽1分钟看玻璃管内抽出气味数量（目盛范围：0.5-10PPM）。（GV-100S气体采集器）2.先行词：被定语从句修饰的词叫先行词。3.关系词：引导定语从句的词叫关系词。4.关系词有关系代词和关系副词关系代词有:that,which,who,whom,whose,as等关系副词有:when,where,why5.关系词
2、通常有下列三个作用：A.引导定语从句；B.代替先行词；C.在定语从句中担当一个成分。Themanwhoisshakinghandswithmyfatherisapoliceman.LiMingisjusttheboy(whom)Iwanttosee.Thefactorywhichmakescomputersisfarawayfromhere.Hehasafriendwhosefatherisadoctor.Themanwithwhoyoutalkedjustnowismyneighbour.TheplaneinwhichweflewtoCanadawasreallycomforta
3、ble.TheplaneinthatweflewtoCanadawasreallycomfortable.××Themanwithwhomyoutalkedjustnowismyneighbour.6.“介词+关系代词”前还可有some,any,none,all,both,neither,many,most,each,few等代词或者数词。Heloveshisparentsdeeply,bothofwhomareverykindtohim.Therearefortystudentsinourclassinall,mostofwhomarefrombigcities.Uptonow,
4、hehaswrittentenstories,threeofwhichareaboutcountrylife.7.注意区分下列几组句子的不同含义：Herbrotherwhoisnowasoldieralwaysencourageshertogotocollege.她那当兵的哥哥总是鼓励她上大学.（她还有其他哥哥）2.Herbrother,whoisnowasoldier,alwaysencourageshertogotocollege.她哥哥是当兵的，他总是鼓励她上大学（她只有一个哥哥）Allthebooksthathavepicturesinthemarewellwritten.
5、所有里面带插图的书都写得很好。（不带插图的书则不一定写得好。）4.Allthebooks,whichhavepicturesinthem,arewellwritten.所有的书都带插图，这些书都写得很好。（没有不带插图的书。）8.关系代词与关系副词的选择用关系代词还是关系副词引导定语从句主要看关系词在定语从句中的作用（即所担当的成分）.A.Iknowaplacewherewecanhaveapicnic.Iknowaplacewhich/thatisfamousforitsbeautifulnaturalscenery.Compare:B.Iwillneverforgettheda
6、yswhenwespentourholidaystogether.Iwillneverforgetthedaysthat/whichwespenttogether.C.Thisisthereasonwhyhewasdismissed.Thisisthereasonthat/whichheexplainedtomeforhisnotattendingthemeeting.9.but有时也用作关系词引导定语从句。Thereareveryfewbutadmirehistalents.（but=whodon’t）=Thereareveryfewwhodon’tadmirehistalent
7、s.10.定语从句与同位语从句的区别1．定语从句修饰限定先行词，它与先行词是修饰关系；同位语从句说明先行词的具体内容，它与先行词是同位关系。TheplanethathasjusttakenoffisforParis.Thefactthathehasalreadydiedisquiteclear.2．定语从句由关系代词或关系副词引导，关系词在从句中担当相应的句子成分，关系代词在从句中作宾语时经常可省略。同位语从句主要由连词that引导，在从句中一般不担当成分；有时也由w
