高一英语必修1unit2知识点

1单词讲解1.frequentadj.频繁的，常见的-lyadv.Languagesfrequentlychange.frequent/common/ordinary/general/regular【解释】frequent经常的，时间或间歇很短的发生或出现common通常的、常发生的、广泛使用或众所周知的ordinary指种类普通且不能从其他中加以区别的，有时含贬义general一般性的，到处的；不限于领域、地区或应用regular平常的；惯例的；习惯性的、通常的或正常的【练习】用上面所提供的辨析词的适当形式填空1).Thisisa___________problem.2).Heoftenmakes___________errorsofjudgment.3)．Lookatthetrain’s___________schedule.4)．Theviolinistgaveavery___________performancemarkedbyanoccasionalmemorylapse.5)．Asa____________ruleIamhomebysix.答案:1).common2).frequent3).regular4).ordinary5).General2.usagen.使用，用法，词语惯用法IthasdifferentusageindifferentEnglishspeakingcoutries.词汇与惯用法vocabularyandusage3.commandn.&v.命令；指令；掌握(1)beunderthecommand(of)由…指挥,由…控制beincommandof控制…beatone’scommand听任某人支配have/takecommandof…指挥…have(a)goodcommandof掌握；精通（尤指语言）Ineverpromisedtoobeyhercommands.（作为命令，指令时可数）我从未答应服从她的命令。Mr.Smithhas（a）goodcommandofspokenEnglish.（作为运用能力，掌握时不可数，但有时前可加a)史密斯先生对英语口语掌握得很好。(2)commandsb.todosth.命令某人做某事commandthat...(should)do...命令……Hecommandedthesoldierstoattack.=Hecommandedthatthesoldiers(should)attack..[练习]用适当的介词填空1).Forthefirsttimeinyears,shefelt______commandofherlife.2).Thearmyis__________theking’sdirectcommand.3).Thepolicearrivedandtookcommand________thesituation.答案:1).in2).under3).of4.requestv.&n.请求，要求n.1).Yourrequestswillbegranted.你的请求能够获准。attherequestofab.=atone’srequest应某人的要求.v.2).requestsb.todosth.要求某人做某事requestthatsb(should)do要求某人做某事Irequestedhimtohelp.我请求他帮忙requeststh.fromsb.向某人索要某物用所给词的适当形式填空⑴Herequestedme________(write)aletterofrecommendation.⑵HerequestedthatI________________(write)aletterofrecommendation.⑶Thepassengers_____________(request)toshowtheirpassports[练习]中译英。21).我是（特别）应你要求而来。2).请不要吸烟。答案:1).Icameatyour(special)request.2).Youare(kindly)requestednottosmoke.扩展===联想：像command一样，其后的名词性从句的谓语用“(should)+动词原形”的常用词有：一个“坚持(insist)”；两个“命令(order，command)”；三个“建议(suggest，advise，propose)”；四个“要求(demand，ask，require，request)”；5.expressionn.表达，表情,神情Languageisameansfortheexpressionofthought.Lucysatthere,anexpressionofsadnessonhisface.6.midwesternadj.Midwestn.中西部地区的方言midwesterndialect(s)mid-构成名词或形容词，意思：居中，在中间mideast7.playapart(in)扮演……角色；参与，在……中起作用Geographyalsoplaysapartinmakingdialects.HowmanycountriestookpartinthelastOlympicGames?part前常加形容词来进行修饰，例leading,important,critical,decicive等。例句：withthedevelopmentofscienceandtechnology,computershaveplayedanimportantpartinourdailylife.playapartin=playarolein8.accent9.straightadvadj坦诚的，直接的Astraightlineistheshortestdistancebetweentwopoints.两点之间直线最短。It’stimeforsomestraighttalking.现在该开诚布公地谈谈了。Therewasnowind.Thesmokerosestraightupward.因为没有风，所以烟笔直地往上升。straightenv.弄直；使正确；整顿gostraight改过自新straightaway马上，立即setsb.straight纠正某人例题Aroadgoesfromourcollegetothecitycenter.A.straight;straightB.straightly;straightlyC.straight;straightlyD.straightly;straight3Part1.Warmingup1.DoyouknowthatthereismorethanonekindofEnglish?你知道有不止一种英语吗？morethan的用法（1）morethan用在数字前，意为“比......多；超过......”，morethanone意为“不止一个”（含义为复数，但谓语动词用单数）。Morethanonequestionwasraisedatthemeeting.不止一个问题在会上被提出。（2）morethan用在名词前，表示程度或加强语气，意为“不仅仅，不只是”，相当于notonly.Heismorethanafriendtome.HeismyEnglishteacher.他不仅仅是我的朋友，他还是我的英语老师。（3）morethan分开用在比较状语从句中时，意为“比......更......；与其......倒不如......”（肯定定前面的内容，否定后面的内容）Heismorebravethanwise.他有勇无谋。Thebookseemstobemoreapicturebookthanastorybook.这本书与其说是故事书倒不如说是图画书。（4）morethan+adj.很......非常......I'mmorethangladtohelpyou.我非常乐意帮助你。知识拓展：（1）more.....than......的用法：more+adj./n.+than......为一个表示比较级的结构，意为“比。。。”Theproblemismorecomplicatedthanweexpected.这个问题比我们预料中要复杂得多。You'veactuallygivenmemorehelpthanIneed.你其实没有必要给我那么多帮助。（2）notmorethan意为至多，不超过，它相当于at（the）most.He'sonlyachildofnotmorethan10.他仅仅是个不到10岁的孩子。（3）nomore........than.........的用法①nomorethan后面常接数词，表示数量少，相当于only,意为“仅仅，只有”Tomysurprise,nomorethan5memberssharedmyidea.令我吃惊的是，只有5个成员同意我的观点。②nomore........than.........意为“和.......一样都不.......”，表示对前后两方面都否定。Don'taskhimaboutit.Heknowsnomorethanyou.别问他这件事了。他和你一样对此一无所知例ChinaDailyis_____anewspaper.IthelpsimproveourEnglish.A.nomorethanB.nolesstanC.morethanD.notmorethan2.WhichcountrydoyouthinkhasthemostEnglishlearners?[解释]doyouthink/believe/expect/find/know/suppose作为插入语,放在特殊疑问词后，其它内容紧跟其后并用陈述语序。Whattimedoyouexpectwewillcomeandpickyouup？你希望我们几点来接你？Whatdoyousupposehewilldoafterhehearsaboutthegoodnews？你认为他听到那个好消息后会做什么呢？Whydoyouthinktheirteamcouldwinthefootballmatch?你认为他们队为什么能赢得那场足球赛呢？Part2.Pre-reading,readingandcomprehending1、Attheendofthe16thcentury,aboutfivetosevenmillionpeoplespokeEnglish.在16世纪末，大约有五百万到七百万人说英语。辨析attheendof,bytheendof,intheendattheendof.........（1）在.........的末端，到........的尽头（表示场所）Attheendoftheroad,you'llfindthefactoryeasily.在这条路的尽头你会很容易地找到那家工厂。（2）在........结束时，在........末（表示时间）IcameacrossanoldfriendIhadn'tseenforagesattheendoflastmonth.上月底我偶然遇到了一位多年不见的老朋友。bytheendof4+将来某一时间，作时间状语，句子用将来完成时eg.Iwillhavefinishedreadingthebookbytheendofnextmonth.+过去某一时间，作时间状语，句子用过去完成时例3Bytheendoflastyear,anothernewgymnasium________inBeijing.A.wouldbecompletedB.wasbeingcompletedC.hasbeencompletedD.hadbeencompletedintheend最后，终于，独立作状语，句子用一般过去时。2.Laterinthenextcentury,peoplefromEnglandmadevoyagestoconquerother