新教材2025版高中英语Unit5WorkingtheLandSectionⅡLearningAboutLanguage学案新人教版选择性必修第一册

SectionⅡLearningAboutLanguage每/日/金/句：Weallknowwithoutfoodequalsnolives.Therefore,agricultureisgreatlyhelpfulforthelives.我们都知道没有食物就没有生命。因此，农业对生活有很大的帮助。语言基础集释探究新知发展语言学问careabout关切；在乎(教材P53)WhatYuanLongpingreallycaredaboutwasnotmoneyorcelebrity.袁隆平真正关切的不是金钱和名誉。(1)carefor照看，照料(＝takecareof)喜好；情愿(用于否定句、疑问句)(2)takecare当心；当心；留意withcare细致地；细致地[佳句]Myteachercaresaboutmeandpreparesmeformyfuturecareer.我的老师关切我，为我将来的职业生涯做打算。[练通]——用care的相关短语填空①Wendycareslittle________hersalary,becauseshecares________thechildrenandlikestostaywiththem.②Whentraveling,youmust________yourhealth.[写美]——微写作③真正的挚友关切彼此的须要，并主动伸出援手。Truefriends______________________________andhelptosolveproblems.语法专项突破动词-ing形式作宾语和表语自主感知①(教材P50)However,whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.②(教材P50)Howthiscouldbedonewasachallengingquestionatthetime.③(教材P50)However,whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasamatterofgreatdebate.④(教材P50)Today,itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcrops...⑤(教材P51)WhatimpressespeoplemostaboutYuanLongpingishisongoingabilitytofulfilhisdreams.[发觉](1)以上黑体部分在句中作________。(2)①⑤句中的what在从句中作________。(3)②句中的how在从句中作________；③句中的whether意为：________。(4)④句中it是________，真正的________是后面that引导的从句。语法规则一、主语从句的定义在主从复合句中充当主语的从句即为主语从句。主语从句的位置可以在句首，也可以用it作形式主语，主语从句放在后面。❶Whatpleasememostisthattheirartistictalentisextremelyshocking.最让我兴奋的是，他们的艺术天赋是特别惊人的。❷Itworriedthemotherthathersonwasalwaysplayingcomputergames.儿子总玩电脑嬉戏，这让他的母亲很担忧。❸Itisnotaproblemwhetherwecanwinthebattle;it'sjustamatteroftime.我们能否打赢这场战斗不是问题；这只是时间问题。二、主语从句的连接词及其句法功能1．连接词that和whether/if(1)that在从句中不充当任何句子成分，本身无任何意义，只起连接作用，但不行省略。❶Thatmyparentsalwaystreatmeasalittlechildmakesmeveryunhappy.我的父母总是像对待小孩子那样对我让我很不快乐。❷Thatthecollegewilltakeinmorenewstudentsthisyearistrue.今年这所高校将招收更多新生是真的。(2)whether/if在从句中不充当任何句子成分，起连接作用，意为“是否”，不行省略。❸Whethertheplanwillbecarriedoutisstillunknown.＝Itisstillunknownwhethertheplanwillbecarriedout.这个安排是否会实施还不知道。2．连接代词(who,whom,whose,what,which,whichever,whoever,whomever,whatever等)连接代词引导主语从句，在从句中可以作主语、宾语、表语或定语。❶Whowillgototheconcertisnotknown.不知道谁会去音乐会。❷Whoeverbreaksthelawwillbepunished.无论谁触犯法律都会受到惩处。❸Whateveryoudoinyoursparetimeshoulddonoharmtoothers.你在业余时间做的任何事情都不应当损害其他人。3．连接副词(when,where,how,why等)连接副词引导主语从句并在从句中作状语。❶Howthishappenedisnotcleartoanyone.这件事是怎样发生的，谁也不清晰。❷Whenwewillhaveameetingisanimportantquestion.我们何时实行会议是一个重要的问题。❸WhereIspendmysummerisnobusinessofyours.我在哪里过暑假不关你的事。温馨提示确定名词性从句引导词的步骤：(1)分析句式结构，明确名词性从句在句中的功能；(2)明确名词性从句所表达的意义；(3)明确名词性从句中所须要的成分及意义；(4)确定名词性从句的连接词。[巧学活用1]用适当的连接代词或连接副词填空①________madehimembarrassedwasthatoneofhisbuttonswasmissing.②________makesthemostbeautifulkitewillwinaprizeintheKiteFestival.③________hewillattendthemeetingornotdoesn'tmatter.④Itisobvioustothestudents________theyshouldgetwellpreparedfortheirfuture.⑤________hegaveupthechanceofstudyingabroadisunknown.二、主语从句中用it作形式主语的结构1．It＋be＋形容词(obvious,true,natural,strange,etc.)＋主语从句Itisimportantthatheshouldknowaboutthis.重要的是他应当知道此事。[名师点津]在“It＋be＋形容词＋主语从句”结构中，若形容词为important/necessary/strange等，主语从句中的谓语用“should＋动词原形”形式，其中should可省略。2．It＋be＋名词词组(nowonder,anhonour,apity,a/nosurprise,etc.)＋主语从句It'sapitythathedidn'tattendtheopeningceremony.很缺憾他没参与开幕式。3．It＋be＋过去分词(said,reported,thought,expected,proved,etc.)＋主语从句Itissuggestedthatthemeetingbeputoff.有人建议会议应当被推迟。[名师点津]在“It＋be＋过去分词＋主语从句”结构中，过去分词若为suggested/ordered/required/advised等，主语从句中的谓语用“should＋动词原形”形式，其中should可省略。4．It＋不及物动词(happen,seem,appear,remain,etc.)＋主语从句Itseemsthatitisgoingtorain.看起来似乎要下雨。5．It＋及物动词＋宾语＋主语从句Itsurprisedhimwhytheycametovisithimsuddenly.让他惊讶的是他们为什么突然都来看他。[巧学活用2]句型转换①Thathesuddenlyfellilllastmonthsurprisedus.→________________________hesuddenlyfellilllastmonth.②Whethertheywillsellthehousehasn'tbeendecidedyet.→________________________________________theywillsellthehouse.③Thatlighttravelsinstraightlinesisknowntousall.→________________________lighttravelsinstraightlines.SectionⅡLearningAboutLanguagePart1探究新知——发展语