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新教材适用2024版高考英语一轮总复习语法专题突破专题4三大从句与特殊句式第2讲名词性从句课件
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这是一份新教材适用2024版高考英语一轮总复习语法专题突破专题4三大从句与特殊句式第2讲名词性从句课件，共51页。PPT课件主要包含了第二讲 名词性从句，考点分层演练，that，What，what，how，whether，why，where，ifwhether等内容，欢迎下载使用。
名词性从句是在句子中起名词作用的句子，它的功能相当于名词词组，它在复合句中可作主语、宾语、表语、同位语、介词宾语等，因此名词性从句又可分别称为主语从句、宾语从句、表语从句和同位语从句等。
Many students dn't knw what they shuld d①，but what Xia Meng wants t d② is earn mney.The reasn is that she wants t lessen her parents' burden③. It is said that many small cmpanies need graduates t d part-time jbs②.Xia Meng has applied fr tw jbs but she is nt sure abut whether she will be emplyed①.She als wnders when she will be admitted t a cllege① and which city she will g①.She is anxius fr the news that she is admitted t a gd university④.
①位于及物动词或介词之后的从句是名词性从句中的宾语从句。②谓语动词之前的从句为名词性从句中的主语从句。此外，该种从句可以用it置于句首，作形式主语。③位于be等系动词之后的从句是名词性从句中的表语从句。④位于抽象名词之后，解释该名词内容的句子为同位语从句。
1．名词性从句的引导词如下表所示：
2．名词性从句的语序必须是陈述语序。D yu knw where will the party be held？( )D yu knw where the party will be held？( )3．what & thatthat是连词，在名词性从句中不充当任何成分，也没有任何意义。而what是连接代词，在名词性从句中充当成分，通常充当主语、宾语、表语和定语。
I believe that I will succeed if I study hard.我相信如果我努力学习我会成功的。I believe what he said because he is an hnest man.我相信他说的话，因为他是个诚实的人。
4．whether & if(1)主语从句、表语从句和同位语从句中表示“是否”，必须用whether。只有在it作形式主语的主语从句中，可用if。(2)宾语从句中一般情况下whether与if 可以通用，但在以下情况下不能用if ，只能用whether：a.介词后；b.其后跟不定式；c.其后紧跟r nt；d.引导让步状语从句等。结论：在学生的写作中，只要表是否，一般用whether。
5．wh & whever名词性从句中的wh翻译为“谁”，带有疑问意味。而whever则翻译为“不论是谁”，没有疑问。D yu knw wh brke the windw?你知道是谁打破了窗户吗？Whever brke it will be punished.不论是谁打破了窗户都得挨罚。
6．that不可省略的情况(1)that引导主语从句且从句置于句首时；that引导表语从句时；that引导同位语从句时；当it作形式宾语，that引导的从句作真正的宾语时。(2)当主句谓语后接两个或两个以上的宾语从句时，第一个that可省略，其他的that不可省；结论：学生习作中，that一律不省略。在同一个谓语动词之后有多个宾语从句并列时，注意句子的理解，要知道后面的that从何而来。
She said (that) she had brken up with her byfriend，that she was heartbrken，and that she wuld never fall in lve again.她说她和男朋友分手了，她很伤心，而且她不会再爱了。
7．同位语从句位于表示概念或思维的抽象名词之后，对该抽象名词起解释说明的作用。常见的抽象名词有news，idea，fact，prmise，cnclusin，thery，questin，dubt，thught，hpe，message，suggestin，wrd(消息)，pssibility，decisin等。At first many peple were astnished at the cnclusin that the earth is nt the centre f universe.起初很多人对地球不是宇宙中心这一结论感到惊讶。
单句语法填空①(2022·新高考Ⅰ卷)The team shwed _______ this change in bite was cnnected with the develpment f agriculture in the Nelithic perid.②(2022·全国甲卷)_______ peple frget is _______ the Italians, when they came t Australia, brught 2000 years f their culture, the Greeks sme 3000 years, and the Chinese mre still.
③(2022·全国乙卷)It is believed _______ tday's children and teenagers are cnsuming three times the recmmended level f sugar, putting them at a higher risk f the disease.④(2022·新高考Ⅰ卷)I culd have made six salads with _______ I threw ut.⑤(2022·新高考Ⅰ卷)First f all, decide _______ yu want frm that persn.⑥(2022·全国甲卷)The realizatin _______ this is a precius land, t be respected by humans, was ne f the biggest things that hit hme t Ginni.
⑦(2022·全国乙卷)Make sure yu have cmmunicated with yur friend abut ______ frequently each f yu wants t be cntacted and_______ methd wrks best fr yu bth.⑧(2022·全国甲卷)We can't seem t make up ur minds __________ we want a mdern city r a traditinal ne.⑨(2022·浙江卷)This is ______ making lists is imprtant in any prductivity handbk.⑩(2022·新高考Ⅰ卷)This research verturns the ppular view _______ all human speech sunds were present when human beings evlved arund 300,000 years ag.
名词性从句解题三步走第一步：根据两句之间的意义和逻辑关系，或者根据句式结构判断是否是名词性从句。第二步：一旦判断是名词性从句，就根据名词性从句中缺少什么句子成分来确定选用什么连接词。若从句中缺少主语、宾语、表语或定语，用连接代词。指物用what，whatever；指人用wh，whever，whm，whse等。
第三步：如果不缺少主语、宾语或表语，要看从句是否有疑问。如果没有疑问用that，有疑问则根据句意使用when，where，why，hw，whether等。
层级一 基础达标练单句语法填空1．He was nt lking fr thers' smiles，r wrrying abut _________ smene was watching r nt.解析：考查名词性从句。分析句子结构可知，此处引导宾语从句，结合后面的r nt可判定答案为whether。故填whether。
2．Helen McCarthy，an authr and expert n Japanese Cartns，explained ______ the character is s ppular.“Because Hell Kitty is all abut happiness，friendship and fun.”解析：考查名词性从句。此处引导宾语从句，根据后面的Because一词可判定答案为why。故填why。3．My first task was t decide where t g and ______ t get there.解析：考查疑问词＋不定式。根据常识可知，设空处表示“如何”。故填hw。
4．Students can chse ________________ they want t d and register nline.解析：考查名词性从句。________ they want t d为宾语从句，该从句缺少宾语。故填what/whatever。5．Mr. White is ppsed t repairing the ld building，and that's _____ I dn't agree.解析：考查名词性从句。设空处引导表语从句，从句中agree 是不及物动词，其后不能直接接名词作宾语。因此要用where在从句中作状语。故填where。
what/whatever
6．The prblem is _______ ne less hur f sleep is nt equal t an extra hur f achievement.解析：考查名词性从句。分析句子结构可知，is后为表语从句，从句的结构和句意完整。故填that。7．Twenty-five years later the traveler returned t the same place. _______ he saw amazed him.He culd nt believe his wn eyes.解析：考查名词性从句。设空处引导主语从句，且在从句中作宾语，表示事物；位于句首，大写首字母。故填What。
8．Therefre，it is advisable _______ yu shuld value and treat them with care.解析：考查名词性从句。________ yu shuld value and treat them with care为主语从句，该从句不缺任何成分。故填that。9．They wuld appreciate it，t be frank，_____ the gds culd be delivered as sn as pssible.解析：考查固定句式。wuld appreciate it if...表示“如果……将不胜感激”，此为固定句式。故填if。
10．I asked him _______ his father had dne s that he became such a gd persn.解析：考查名词性从句。设空处引导宾语从句，作asked的宾语，从句中缺少had dne的宾语，指“……的事情；什么”，因此用要what引导该从句。故填what。
11．If yu take a lk arund yur kitchen r ffice, chances are _______ yu’ll ntice that yu are surrunded by plastic water bttles, take-ut cups, plastic grcery bags and fd packages. 解析：考查名词性从句。句意：如果你看看你的厨房或办公室，很有可能你会注意到你周围都是塑料水瓶、外卖杯、塑料购物袋和食品包装袋。结合句意表示“很有可能……”句型为chances are that...，that引导表语从句。故填that。
12．I fund this extremely impressive since he hadn't asked me ______ I had cme t see him.解析：考查名词性从句。句意：我觉得这非常令人印象深刻，因为他还没有问过我为什么来见他。在宾语从句中不缺少主语、宾语、表语或定语，且根据asked可知，此处是指询问“我”为什么来见他，所以应用连接副词why。故填why。
13．Well-made, lng-lasting clthing is _______ we shuld buy and wear.解析：考查名词性从句。句意：我们应该购买和穿质量好，耐穿的衣物。分析句子可知，此处为表语从句，从句中的buy 和wear缺少宾语，故填连接代词what。故填what。
14．_______ is the mst imprtant in life is that we shuld always be cnfident abut the future.解析：考查名词性从句。句意：生活中最重要的是我们总是要对未来充满信心。分析句子可知，空处引导一个主语从句，引导词在从句中作主语，表示“最重要的事情”，应用连接代词what引导。故填What。
15．It desn't matter __________ yu turn right r left at the crssing—bth rads lead t the park.解析：考查名词性从句。 句意：在十字路口，你是向右拐还是向左拐都没有关系——两条路都到公园。分析句子可知，设空处引导主语从句，it做形式主语，从句中不缺少成分，缺少“是否”的意思，并且后面有r，一般和whether连用。故填whether。
层级二 高考真题练单句语法填空1．(2022·新高考Ⅰ卷) The cre f yur relatinship is _______ yu will always be there t help each ther.解析：考查名词性从句。句意：你们关系的核心是你们将永远在一起互相帮助。is后面是一个表语从句，表语从句句意完整不缺任何成分，所以用连接词that引导表语从句。故填that。
2．(2022·新高考Ⅰ卷) I quickly searched the crwd fr the schl's cach and asked him _______ had happened.解析：考查名词性从句。句意：我迅速在人群中搜寻学校的教练，问他发生了什么事。分析句子可知从句ask后面还缺少宾语，从句中缺少主语，所以用what引导宾语从句。故填what。
3．(2022·全国甲卷) I had n idea abut _______ I’d find there and I wasn't nervus, I just wanted t d it.解析：考查名词性从句。句意：我不知道我在那里会发现什么，我也不紧张，我只是想去做。分析句子可知从句find后面缺少宾语，所以用what引导宾语从句。故填what。
4．(2022·全国乙卷) The ne in the new envirnment shuld be sympathetic t the fact _______ yur friend may feel abandned.解析：考查名词性从句。句意：在新环境中的人应该同情你的朋友可能感到被遗弃的事实。分析句子可知从句句意完整不缺任何成分，所以用连接词that引导同位语从句。故填that。
5．(2022·浙江卷)Cbb, fr her party, started t ask cnference rganizers wh invited her t speak _____________ she culd d s remtely.解析：考查名词性从句。句意：对于她的出席，Cbb开始询问邀请她的会议组织者是否可以远程进行演讲。显然ask后面出现了一个宾语从句，宾语从句句意不完整，whether/if“是否”符合语境。故填if/whether。
6．(2021·天津卷)What puzzles Lily's friends is ______ she always has s many crazy ideas.解析：考查名词性从句。句意：令Lily的朋友们感到困扰的是她为什么总有这么多疯狂的想法。分析句子结构可知，本句是一个表语从句，设空处需填一个引导表语从句的连接词。根据句意可知，这里要有连接副词why引导表语从句，表示“为什么”。故填why。
7．(2021·新高考Ⅰ卷)_______ is s breathtaking abut the experience is the ut-f-this-wrld scenes.解析：考查名词性从句。根据句子结构可知，句中缺少引导主语从句并在主语从句中作主语的连接代词。连接代词what具有这一功能，相当于 the thing that。故填What。
8．(2020·江苏卷)It is nt a prblem ______________ we can win the battle；it's just a matter f time.解析：考查名词性从句。句意：我们能否打赢这场战斗不是问题；这只是时间问题。it是形式主语，whether引导的从句是真正的主语。故填whether。
9．(2020·天津卷)The student cmpleted this experiment t make cme true _______ Prfessr Jseph had said.解析：考查名词性从句。句意：为了使约瑟夫教授所说的成为现实，这个学生完成了这个实验。 Prfessr Jseph had said作make的宾语从句，该从句中，空处在从句中作said的宾语，表示“……所说的话”，因此应用what引导该从句。故填what。
10．(2019·全国Ⅰ卷)While they are rare nrth f 88°，there is evidence _______ they range all the way acrss the Arctic，and as far suth as James Bay in Canada.解析：考查名词性从句。分析句子结构可知，主句为there be句型，且结构完整，空格后为同位语从句，解释说明抽象名词evidence的内容。故填that。
11．(2018·全国Ⅲ卷)I'm nt sure ____________ is mre frightened，me r the female grilla(大猩猩) that suddenly appears ut f nwhere.解析：考查名词性从句。句意：我不确定谁(哪一个)更害怕，是我还是那只不知从哪里突然冒出来的雌猩猩。分析句式结构可知， 空格后为宾语从句，从句缺主语。故填wh/which。12．(2019·江苏卷)Scientists have btained mre evidence _______ plastic is finding its way int the human bdy.解析：考查名词性从句。从句不缺句子成分，且解释说明抽象名词evidence的内容，所以用that引导同位语从句。故填that。
13．(2018·北京卷)This is _______ my father has taught me—t always face difficulties and hpe fr the best.解析：考查名词性从句。根据设空处前的is 可以判断，此处是一个表语从句。 从句中谓语动词用法为teach sb.sth.，缺少直接宾语。故填what。
14．(2018·天津卷)The gld medal will be awarded t __________ wins the first place in the bicycle race.解析：考查名词性从句。介词t后是宾语从句，从句中动词wins前缺主语，而且金牌给的是“任何……的人”，因此填whever引导宾语从句。故填whever。15．(2018·11月浙江卷)It is pssible _______ caffeine may cause birth defects(缺陷) in humans，t.解析：考查名词性从句。分析句子结构可知，该句是一个主从复合句，it作形式主语，that从句为真正的主语。故填that。
层级三 语篇提能练语法填空名词性从句篇________ wrries my classmate Mary a lt these days is ________ she puts n t much weight and she is frequently ill.She has sme dubts ___________ she eats t much fast fd high in fat r sugar.Als，with the cllege entrance examinatin appraching，she becmes mre stressful and she can't sleep well these days.Maybe this is _______ she becmes fatter these days，she thinks._______ she becmes slimmer and healthier has been her
main task.S she wants t cnsult sme experts and gain sme instructins. But where she culd get better suggestins and _______ will give her better advice als puzzle her.It is her parents' suggestin ________ she shuld cnsult Prfessr Wang in Zhngshan Hspital.Prfessr Wang suggests ________ she keep a balanced diet first.She shuld eat vegetables and fruit high in fiber，vitamin and prtein.What's mre，if she wants t lse weight，she had better take regular exercise mre than half an hur a day. Mary asked Prfessr Wang __________ she shuld take exercise.Prfessr Wang advised her t take exercise at 5 'clck in the afternn.That is
____________ she will have mre time t d sprts.It is with the help f Prfessr Wang that Mary has becme much healthier nw.语篇导读：本文是一篇记叙文。主要讲述作者的同学玛丽的烦恼，玛丽担心自己体重过重并且经常生病，向王教授咨询，在王教授的帮助下，通过均衡饮食和运动变得越来越健康。解析：1．考查名词性从句。分析句子可知，此空为主语从句，从句中缺少主语，表示“什么，所……的事情”。故填What。
2．考查名词性从句。分析句子可知，is后面为表语从句，从句成分完整，因此用that引导，that无实际意义，在句中不作任何成分。故填that。3．考查名词性从句。分析句子可知，dubt后接的是同位语从句，从句说的是dubt的内容，从句中不缺少主语、宾语和表语成分，缺少“是否”的意思。故填whether。4．考查名词性从句。分析句子可知，is后接的是表语从句，从句中不缺少主语、宾语和表语成分，表示“……的原因”。故填why。
5．考查名词性从句。句意：如何变得更苗条和更健康已经成为她的主要任务。分析句子可知，has been前为主语从句，从句中不缺少主语、宾语和表语成分，表示“如何，怎样”。故填Hw。6．考查名词性从句。句意：但是，在哪里她可以得到更好的建议，谁会给她更好的建议，这也让她感到困惑。分析句子可知，puzzle前为主语从句，从句中缺少主语，表示“谁”。故填wh。7．考查名词性从句。句意：她父母建议她应该咨询中山医院的王教授。分析句子可知，it为形式主语，真正的主语为空后的从句，从句中不缺少成分，且意义完整。故填that。
名词性从句是在句子中起名词作用的句子，它的功能相当于名词词组，它在复合句中可作主语、宾语、表语、同位语、介词宾语等，因此名词性从句又可分别称为主语从句、宾语从句、表语从句和同位语从句等。
Many students dn't knw what they shuld d①，but what Xia Meng wants t d② is earn mney.The reasn is that she wants t lessen her parents' burden③. It is said that many small cmpanies need graduates t d part-time jbs②.Xia Meng has applied fr tw jbs but she is nt sure abut whether she will be emplyed①.She als wnders when she will be admitted t a cllege① and which city she will g①.She is anxius fr the news that she is admitted t a gd university④.
①位于及物动词或介词之后的从句是名词性从句中的宾语从句。②谓语动词之前的从句为名词性从句中的主语从句。此外，该种从句可以用it置于句首，作形式主语。③位于be等系动词之后的从句是名词性从句中的表语从句。④位于抽象名词之后，解释该名词内容的句子为同位语从句。
1．名词性从句的引导词如下表所示：
2．名词性从句的语序必须是陈述语序。D yu knw where will the party be held？( )D yu knw where the party will be held？( )3．what & thatthat是连词，在名词性从句中不充当任何成分，也没有任何意义。而what是连接代词，在名词性从句中充当成分，通常充当主语、宾语、表语和定语。
I believe that I will succeed if I study hard.我相信如果我努力学习我会成功的。I believe what he said because he is an hnest man.我相信他说的话，因为他是个诚实的人。
4．whether & if(1)主语从句、表语从句和同位语从句中表示“是否”，必须用whether。只有在it作形式主语的主语从句中，可用if。(2)宾语从句中一般情况下whether与if 可以通用，但在以下情况下不能用if ，只能用whether：a.介词后；b.其后跟不定式；c.其后紧跟r nt；d.引导让步状语从句等。结论：在学生的写作中，只要表是否，一般用whether。
5．wh & whever名词性从句中的wh翻译为“谁”，带有疑问意味。而whever则翻译为“不论是谁”，没有疑问。D yu knw wh brke the windw?你知道是谁打破了窗户吗？Whever brke it will be punished.不论是谁打破了窗户都得挨罚。
6．that不可省略的情况(1)that引导主语从句且从句置于句首时；that引导表语从句时；that引导同位语从句时；当it作形式宾语，that引导的从句作真正的宾语时。(2)当主句谓语后接两个或两个以上的宾语从句时，第一个that可省略，其他的that不可省；结论：学生习作中，that一律不省略。在同一个谓语动词之后有多个宾语从句并列时，注意句子的理解，要知道后面的that从何而来。
She said (that) she had brken up with her byfriend，that she was heartbrken，and that she wuld never fall in lve again.她说她和男朋友分手了，她很伤心，而且她不会再爱了。
7．同位语从句位于表示概念或思维的抽象名词之后，对该抽象名词起解释说明的作用。常见的抽象名词有news，idea，fact，prmise，cnclusin，thery，questin，dubt，thught，hpe，message，suggestin，wrd(消息)，pssibility，decisin等。At first many peple were astnished at the cnclusin that the earth is nt the centre f universe.起初很多人对地球不是宇宙中心这一结论感到惊讶。
单句语法填空①(2022·新高考Ⅰ卷)The team shwed _______ this change in bite was cnnected with the develpment f agriculture in the Nelithic perid.②(2022·全国甲卷)_______ peple frget is _______ the Italians, when they came t Australia, brught 2000 years f their culture, the Greeks sme 3000 years, and the Chinese mre still.
③(2022·全国乙卷)It is believed _______ tday's children and teenagers are cnsuming three times the recmmended level f sugar, putting them at a higher risk f the disease.④(2022·新高考Ⅰ卷)I culd have made six salads with _______ I threw ut.⑤(2022·新高考Ⅰ卷)First f all, decide _______ yu want frm that persn.⑥(2022·全国甲卷)The realizatin _______ this is a precius land, t be respected by humans, was ne f the biggest things that hit hme t Ginni.
⑦(2022·全国乙卷)Make sure yu have cmmunicated with yur friend abut ______ frequently each f yu wants t be cntacted and_______ methd wrks best fr yu bth.⑧(2022·全国甲卷)We can't seem t make up ur minds __________ we want a mdern city r a traditinal ne.⑨(2022·浙江卷)This is ______ making lists is imprtant in any prductivity handbk.⑩(2022·新高考Ⅰ卷)This research verturns the ppular view _______ all human speech sunds were present when human beings evlved arund 300,000 years ag.
名词性从句解题三步走第一步：根据两句之间的意义和逻辑关系，或者根据句式结构判断是否是名词性从句。第二步：一旦判断是名词性从句，就根据名词性从句中缺少什么句子成分来确定选用什么连接词。若从句中缺少主语、宾语、表语或定语，用连接代词。指物用what，whatever；指人用wh，whever，whm，whse等。
第三步：如果不缺少主语、宾语或表语，要看从句是否有疑问。如果没有疑问用that，有疑问则根据句意使用when，where，why，hw，whether等。
层级一 基础达标练单句语法填空1．He was nt lking fr thers' smiles，r wrrying abut _________ smene was watching r nt.解析：考查名词性从句。分析句子结构可知，此处引导宾语从句，结合后面的r nt可判定答案为whether。故填whether。
2．Helen McCarthy，an authr and expert n Japanese Cartns，explained ______ the character is s ppular.“Because Hell Kitty is all abut happiness，friendship and fun.”解析：考查名词性从句。此处引导宾语从句，根据后面的Because一词可判定答案为why。故填why。3．My first task was t decide where t g and ______ t get there.解析：考查疑问词＋不定式。根据常识可知，设空处表示“如何”。故填hw。
4．Students can chse ________________ they want t d and register nline.解析：考查名词性从句。________ they want t d为宾语从句，该从句缺少宾语。故填what/whatever。5．Mr. White is ppsed t repairing the ld building，and that's _____ I dn't agree.解析：考查名词性从句。设空处引导表语从句，从句中agree 是不及物动词，其后不能直接接名词作宾语。因此要用where在从句中作状语。故填where。
what/whatever
6．The prblem is _______ ne less hur f sleep is nt equal t an extra hur f achievement.解析：考查名词性从句。分析句子结构可知，is后为表语从句，从句的结构和句意完整。故填that。7．Twenty-five years later the traveler returned t the same place. _______ he saw amazed him.He culd nt believe his wn eyes.解析：考查名词性从句。设空处引导主语从句，且在从句中作宾语，表示事物；位于句首，大写首字母。故填What。
8．Therefre，it is advisable _______ yu shuld value and treat them with care.解析：考查名词性从句。________ yu shuld value and treat them with care为主语从句，该从句不缺任何成分。故填that。9．They wuld appreciate it，t be frank，_____ the gds culd be delivered as sn as pssible.解析：考查固定句式。wuld appreciate it if...表示“如果……将不胜感激”，此为固定句式。故填if。
10．I asked him _______ his father had dne s that he became such a gd persn.解析：考查名词性从句。设空处引导宾语从句，作asked的宾语，从句中缺少had dne的宾语，指“……的事情；什么”，因此用要what引导该从句。故填what。
11．If yu take a lk arund yur kitchen r ffice, chances are _______ yu’ll ntice that yu are surrunded by plastic water bttles, take-ut cups, plastic grcery bags and fd packages. 解析：考查名词性从句。句意：如果你看看你的厨房或办公室，很有可能你会注意到你周围都是塑料水瓶、外卖杯、塑料购物袋和食品包装袋。结合句意表示“很有可能……”句型为chances are that...，that引导表语从句。故填that。
12．I fund this extremely impressive since he hadn't asked me ______ I had cme t see him.解析：考查名词性从句。句意：我觉得这非常令人印象深刻，因为他还没有问过我为什么来见他。在宾语从句中不缺少主语、宾语、表语或定语，且根据asked可知，此处是指询问“我”为什么来见他，所以应用连接副词why。故填why。
13．Well-made, lng-lasting clthing is _______ we shuld buy and wear.解析：考查名词性从句。句意：我们应该购买和穿质量好，耐穿的衣物。分析句子可知，此处为表语从句，从句中的buy 和wear缺少宾语，故填连接代词what。故填what。
14．_______ is the mst imprtant in life is that we shuld always be cnfident abut the future.解析：考查名词性从句。句意：生活中最重要的是我们总是要对未来充满信心。分析句子可知，空处引导一个主语从句，引导词在从句中作主语，表示“最重要的事情”，应用连接代词what引导。故填What。
15．It desn't matter __________ yu turn right r left at the crssing—bth rads lead t the park.解析：考查名词性从句。 句意：在十字路口，你是向右拐还是向左拐都没有关系——两条路都到公园。分析句子可知，设空处引导主语从句，it做形式主语，从句中不缺少成分，缺少“是否”的意思，并且后面有r，一般和whether连用。故填whether。
层级二 高考真题练单句语法填空1．(2022·新高考Ⅰ卷) The cre f yur relatinship is _______ yu will always be there t help each ther.解析：考查名词性从句。句意：你们关系的核心是你们将永远在一起互相帮助。is后面是一个表语从句，表语从句句意完整不缺任何成分，所以用连接词that引导表语从句。故填that。
2．(2022·新高考Ⅰ卷) I quickly searched the crwd fr the schl's cach and asked him _______ had happened.解析：考查名词性从句。句意：我迅速在人群中搜寻学校的教练，问他发生了什么事。分析句子可知从句ask后面还缺少宾语，从句中缺少主语，所以用what引导宾语从句。故填what。
3．(2022·全国甲卷) I had n idea abut _______ I’d find there and I wasn't nervus, I just wanted t d it.解析：考查名词性从句。句意：我不知道我在那里会发现什么，我也不紧张，我只是想去做。分析句子可知从句find后面缺少宾语，所以用what引导宾语从句。故填what。
4．(2022·全国乙卷) The ne in the new envirnment shuld be sympathetic t the fact _______ yur friend may feel abandned.解析：考查名词性从句。句意：在新环境中的人应该同情你的朋友可能感到被遗弃的事实。分析句子可知从句句意完整不缺任何成分，所以用连接词that引导同位语从句。故填that。
5．(2022·浙江卷)Cbb, fr her party, started t ask cnference rganizers wh invited her t speak _____________ she culd d s remtely.解析：考查名词性从句。句意：对于她的出席，Cbb开始询问邀请她的会议组织者是否可以远程进行演讲。显然ask后面出现了一个宾语从句，宾语从句句意不完整，whether/if“是否”符合语境。故填if/whether。
6．(2021·天津卷)What puzzles Lily's friends is ______ she always has s many crazy ideas.解析：考查名词性从句。句意：令Lily的朋友们感到困扰的是她为什么总有这么多疯狂的想法。分析句子结构可知，本句是一个表语从句，设空处需填一个引导表语从句的连接词。根据句意可知，这里要有连接副词why引导表语从句，表示“为什么”。故填why。
7．(2021·新高考Ⅰ卷)_______ is s breathtaking abut the experience is the ut-f-this-wrld scenes.解析：考查名词性从句。根据句子结构可知，句中缺少引导主语从句并在主语从句中作主语的连接代词。连接代词what具有这一功能，相当于 the thing that。故填What。
8．(2020·江苏卷)It is nt a prblem ______________ we can win the battle；it's just a matter f time.解析：考查名词性从句。句意：我们能否打赢这场战斗不是问题；这只是时间问题。it是形式主语，whether引导的从句是真正的主语。故填whether。
9．(2020·天津卷)The student cmpleted this experiment t make cme true _______ Prfessr Jseph had said.解析：考查名词性从句。句意：为了使约瑟夫教授所说的成为现实，这个学生完成了这个实验。 Prfessr Jseph had said作make的宾语从句，该从句中，空处在从句中作said的宾语，表示“……所说的话”，因此应用what引导该从句。故填what。
10．(2019·全国Ⅰ卷)While they are rare nrth f 88°，there is evidence _______ they range all the way acrss the Arctic，and as far suth as James Bay in Canada.解析：考查名词性从句。分析句子结构可知，主句为there be句型，且结构完整，空格后为同位语从句，解释说明抽象名词evidence的内容。故填that。
11．(2018·全国Ⅲ卷)I'm nt sure ____________ is mre frightened，me r the female grilla(大猩猩) that suddenly appears ut f nwhere.解析：考查名词性从句。句意：我不确定谁(哪一个)更害怕，是我还是那只不知从哪里突然冒出来的雌猩猩。分析句式结构可知， 空格后为宾语从句，从句缺主语。故填wh/which。12．(2019·江苏卷)Scientists have btained mre evidence _______ plastic is finding its way int the human bdy.解析：考查名词性从句。从句不缺句子成分，且解释说明抽象名词evidence的内容，所以用that引导同位语从句。故填that。
13．(2018·北京卷)This is _______ my father has taught me—t always face difficulties and hpe fr the best.解析：考查名词性从句。根据设空处前的is 可以判断，此处是一个表语从句。 从句中谓语动词用法为teach sb.sth.，缺少直接宾语。故填what。
14．(2018·天津卷)The gld medal will be awarded t __________ wins the first place in the bicycle race.解析：考查名词性从句。介词t后是宾语从句，从句中动词wins前缺主语，而且金牌给的是“任何……的人”，因此填whever引导宾语从句。故填whever。15．(2018·11月浙江卷)It is pssible _______ caffeine may cause birth defects(缺陷) in humans，t.解析：考查名词性从句。分析句子结构可知，该句是一个主从复合句，it作形式主语，that从句为真正的主语。故填that。
层级三 语篇提能练语法填空名词性从句篇________ wrries my classmate Mary a lt these days is ________ she puts n t much weight and she is frequently ill.She has sme dubts ___________ she eats t much fast fd high in fat r sugar.Als，with the cllege entrance examinatin appraching，she becmes mre stressful and she can't sleep well these days.Maybe this is _______ she becmes fatter these days，she thinks._______ she becmes slimmer and healthier has been her
main task.S she wants t cnsult sme experts and gain sme instructins. But where she culd get better suggestins and _______ will give her better advice als puzzle her.It is her parents' suggestin ________ she shuld cnsult Prfessr Wang in Zhngshan Hspital.Prfessr Wang suggests ________ she keep a balanced diet first.She shuld eat vegetables and fruit high in fiber，vitamin and prtein.What's mre，if she wants t lse weight，she had better take regular exercise mre than half an hur a day. Mary asked Prfessr Wang __________ she shuld take exercise.Prfessr Wang advised her t take exercise at 5 'clck in the afternn.That is
____________ she will have mre time t d sprts.It is with the help f Prfessr Wang that Mary has becme much healthier nw.语篇导读：本文是一篇记叙文。主要讲述作者的同学玛丽的烦恼，玛丽担心自己体重过重并且经常生病，向王教授咨询，在王教授的帮助下，通过均衡饮食和运动变得越来越健康。解析：1．考查名词性从句。分析句子可知，此空为主语从句，从句中缺少主语，表示“什么，所……的事情”。故填What。
2．考查名词性从句。分析句子可知，is后面为表语从句，从句成分完整，因此用that引导，that无实际意义，在句中不作任何成分。故填that。3．考查名词性从句。分析句子可知，dubt后接的是同位语从句，从句说的是dubt的内容，从句中不缺少主语、宾语和表语成分，缺少“是否”的意思。故填whether。4．考查名词性从句。分析句子可知，is后接的是表语从句，从句中不缺少主语、宾语和表语成分，表示“……的原因”。故填why。
5．考查名词性从句。句意：如何变得更苗条和更健康已经成为她的主要任务。分析句子可知，has been前为主语从句，从句中不缺少主语、宾语和表语成分，表示“如何，怎样”。故填Hw。6．考查名词性从句。句意：但是，在哪里她可以得到更好的建议，谁会给她更好的建议，这也让她感到困惑。分析句子可知，puzzle前为主语从句，从句中缺少主语，表示“谁”。故填wh。7．考查名词性从句。句意：她父母建议她应该咨询中山医院的王教授。分析句子可知，it为形式主语，真正的主语为空后的从句，从句中不缺少成分，且意义完整。故填that。
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