Unit 1 Face Values 单元语法（主语从句）练习-2025-2026学年高二外研版英语选择性必修第三册

学校:___________姓名：___________班级：___________考号：___________ Unit 1 Face Values 主语从句 一、单句语法填空 1．It is obvious the old method can not meet new requirements. 2． hasn’t been confirmed whether genetically modified food is really safe for humans to eat. 3． early buses leave the station largely depends on passenger demands. 4．It is said he is going to the north of Alaska to take another advantage there. 5．It remains to be seen the new chemical pesticide is effective. 6． he quit his high-paying job is not difficult to understand. He wanted to start up his own business. 7． matters most is that you have tried your best. 8． began as a local festival has blossomed into an international event. 9．He proved that it’s not happens to us that determines our lives... 10． makes the book so attractive is the creative imagination of the writer. 11． the meeting will be put off is still under discussion. 12． (she bought for her mother) is a beautiful scarf. 13．It is estimated about 60% of rice is produced in China. 14．The head teacher said broke the rules would be punished. 15． made Zhang Tian happy was that his students showed great progress. 16． the space mission went so well was beyond our expectations. 17．It is believed human beings can travel in the universe in spaceships in the future. 18．It was said that was how the Chinese people first raised silkworms. 19．It worried her a bit her mother didn’t approve of her leaving home tonight. 20．It does not matter we play football with; we can beat them if we’re determined. 21． we will hold a sports meeting in our school is certain. 22． happened after that was interesting. 23． the rocket is going in the right orbit is unclear. 24． makes mistakes must correct them. 25． is known to us all is that America is a developed country belonging to the first world. 26． Li Bai, a noted Chinese poet, was born is known to the public, but some won’t accept it. 27． the weather will not clear up until net week is bad news for us. 28． he carried his living before is not clear to us. 29． he spied on me puzzled me for a long time. 30． lifestyle is the most beneficial to our health is still unknown. 31．It is still doubtful she will play the role. 32．It’s no wonder this research laid the foundation for the discovery of the new drug. 33．It’s merely a question of time he agrees or not. 34．Under a microscope, can’t be seen by our eyes is visible. 35． we’ll go camping next week depends on the weather. 36．When it comes to English study, we need is a lot of practice in listening and reading. 37． is uncertain whether he can come to Jenny’s birthday party or not. 38． we discovered is that it’s unwise to judge what you eat only by its appearance. 39．When I saw the various supplies we had collected, it hit me every kit we were to build that day would eventually be in the hands of an Iraqi child. 40． remains important is that we have an incredible desire to think and create. 二、完成句子 41． I will miss the team’s next game. 看来我会错过球队的下一场比赛。 42． I like Joy’s healthy lifestyle. 我喜欢的是Joy健康的生活方式。 43． he had lost the laptop what we wanted to know. 他把笔记本电脑丢在了哪里，正是我们想知道的。 44．使我们吃惊的是，社交网络发展的如此之快。 is that the development of social networking is so fast. 45． there will be some job losses. 很显然，将会有一些人失去工作了。 46． will be punished. 任何人触犯法律都会受到惩罚。 47． will receive a prize. 谁先爬上山顶，谁就会得奖。 48．她想找的是祖母曾经住过的那栋老房子。 she wants to find is the old house her grandmother used to live. 49． is still a puzzle. 那个迷路的孩子去了哪里仍然是个谜。 50． has not been found out. 杰克为何迟到还没有弄清楚。 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $ 学校:___________姓名：___________班级：___________考号：___________ Unit 1 Face Values 主语从句 一、单句语法填空 1．It is obvious the old method can not meet new requirements. 【答案】that 【详解】考查主语从句。句意：很明显，旧的方法已无法满足新的要求。it是形式主语，空格处引导主语从句，从句中不缺成分，且句子意思完整，因此用that引导主语从句，故填that。 2． hasn’t been confirmed whether genetically modified food is really safe for humans to eat. 【答案】It 【详解】考查形式主语。句意：转基因食品是否真的对人类安全食用尚未得到证实。句子真正的主语是“whether genetically modified food is really safe for humans to eat(转基因食品是否真的对人类安全食用)”，这是一个主语从句。当主语从句较长时，为了避免句子头重脚轻，常用it作形式主语放在句首，而将真正的主语置于句末。句首单词首字母大写，故填It。 3． early buses leave the station largely depends on passenger demands. 【答案】When 【详解】考查主语从句连接词。句意：早班车何时离开车站在很大程度上取决于乘客的需求。分析句子结构可知，“____ early buses leave the station”为主语从句，该从句中不缺少主语和宾语，结合语境，这里强调的是早班车离开车站的时间，When符合语境。首字母大写。故填When。 4．It is said he is going to the north of Alaska to take another advantage there. 【答案】that 【详解】考查主语从句。句意：据说他打算去阿拉斯加北部，在那里再利用一次机会。It is said that...是固定句式，其中it作形式主语，真正的主语是that引导的从句“he is going to the north of Alaska to take another advantage there”，that在主语从句中不充当成分，只起连接作用。故填that。 5．It remains to be seen the new chemical pesticide is effective. 【答案】whether/if 【详解】考查主语从句。句意：这种新的化学农药是否有效还有待观察。分析句子可知，it是形式主语，真正的主语是“the new chemical pesticide is effective”，依据句意可知，新的化学农药的有效性这件事尚不确定，因此空处应填表示“是否”的引导词whether或者if。故填whether/if。 6． he quit his high-paying job is not difficult to understand. He wanted to start up his own business. 【答案】That 【详解】考查主语从句。句意：他辞去那份高薪工作这件事并不难理解。他想自己创业了。引导主语从句，从句不缺少成分和句意，故用that。首字母大写。故填That。 7． matters most is that you have tried your best. 【答案】What 【详解】考查主语从句。句意：最重要的是，你已经尽了最大的努力。空处引导主语从句，从句缺少主语，指物，故用what，位于句首，首字母大写。故填What。 8． began as a local festival has blossomed into an international event. 【答案】What 【详解】考查名词性从句。句意：起初只是当地的一个节日，如今却发展成了一个国际性的活动。has blossomed为谓语，前面为主语从句；空处引导主语从句，从句缺少主语成分，表示物，用连接代词what引导从句，放在句首，首字母大写。故填What。 9．He proved that it’s not happens to us that determines our lives... 【答案】what 【详解】考查主语从句。句意：他证明了并非发生在我们身上的事决定了我们的人生。本句为强调句，强调的是句子的主语，空处引导主语从句，从句中缺少主语，且指代“事情”，需用连接代词what引导该主语从句。故填what。 10． makes the book so attractive is the creative imagination of the writer. 【答案】What 【详解】考查主语从句连接词。句意：让这本书如此吸引人的是作者富有创造性的想象力。分析句子结构可知，空格处引导主语从句，引导词在从句中作主语，意为“所……（的是）”，指代“让书吸引人的事物”，应用连接代词what来引导，且位于句首，首字母需大写。故填What。 11． the meeting will be put off is still under discussion. 【答案】Whether 【详解】考查主语从句。句意：会议是否推迟仍在讨论中。从句表“是否”，引导主语从句用whether，从句用陈述句语序，首字母大写。故填Whether。 12． (she bought for her mother) is a beautiful scarf. 【答案】What she bought for her mother 【详解】考查主语从句。句意：她给妈妈买的是一条漂亮的围巾。引导主语从句，从句缺bought的宾语，指物，用what引导，从句用陈述句语序，首字母大写。故填What she bought for her mother。 13．It is estimated about 60% of rice is produced in China. 【答案】that 【详解】考查主语从句连接词。句意：据估计，大约60%的大米产自中国。“It is estimated that...”为固定句型，其中“it”为形式主语，真正的主语是后面的从句；从句“about 60% of rice is produced in China”结构完整、语义明确，不缺任何成分，连接词“that”仅起引导作用，无实际含义。故填that。 14．The head teacher said broke the rules would be punished. 【答案】whoever 【详解】考查主语从句。句意：校长说无论谁违反规定都会受到惩罚。said后是宾语从句，空处引导名词性从句作宾语从句的主语，主语从句中broke前无主语，结合“broke the rules”可知，主语指人，再结合“would be punished”可知，受到惩罚的是“任何违反规定的人”，因此用连接代词whoever作引导词。故填whoever。 15． made Zhang Tian happy was that his students showed great progress. 【答案】What 【详解】考查主语从句。句意：让张天高兴的是他的学生们取得了很大的进步。分析句子结构可知，“____ made Zhang Tian happy”是主语从句，从句中缺少主语，指“让张天高兴的事情”，应用连接代词what引导，且首字母大写。故填What。 16． the space mission went so well was beyond our expectations. 【答案】That 【详解】考查主语从句。句意：太空任务进展得如此顺利，出乎我们的意料。空处需用连接词引导主语从句，从句句子成分完成，句意完整，所以空处需用连接词that引导主语从句。故填That。 17．It is believed human beings can travel in the universe in spaceships in the future. 【答案】that 【详解】考查主语从句。句意：人们相信将来人类可以乘坐宇宙飞船在宇宙中旅行。此处为固定句型“It is believed that…”表示“人们相信……”，句中it作形式主语，真正的主语为that从句。故填that。 18．It was said that was how the Chinese people first raised silkworms. 【答案】that 【详解】考查主语从句。句意：据说中国人就是这样养蚕的。It是形式主语，空处引导主语从句，从句结构、意义完整，使用that引导，故填that。 19．It worried her a bit her mother didn’t approve of her leaving home tonight. 【答案】that 【详解】考查主语从句。句意：她母亲不同意她今晚离开家，这使她有点担心。It为形式主语，空处引导主语从句作真正主语，从句句子结构意义完整，用that引导从句。故填that。 20．It does not matter we play football with; we can beat them if we’re determined. 【答案】who/whom 【详解】考查主语从句。句意：我们和谁踢足球并不重要；如果我们有决心，我们就能打败他们。此处为连接词引导的主语从句，该句中it为形式主语，从句中缺少with的宾语，结合句意以及下文的“we can beat them”可知，此处应指的是人。故填who/whom。 21． we will hold a sports meeting in our school is certain. 【答案】That 【详解】考查名词性从句。句意：我们将在学校举行运动会这一点是确定的。设空处引导主语从句，从句中不缺少成分也不缺少意义，应用连接词that，因位于句首，首字母大写。故填That。 22． happened after that was interesting. 【答案】What 【详解】考查主语从句。句意：那之后发生的事情很有趣。此句为主系表结构，_____happened after that 在整个句子中作主语，从句中又缺少主语，再根据句意可知此处表示事情，故填What。 23． the rocket is going in the right orbit is unclear. 【答案】Whether 【详解】考查连词。句意：火箭是否在正确的轨道上尚不清楚。分析句子可知，本句为主语从句，表示“是否”应用whether。故填Whether。 24． makes mistakes must correct them. 【答案】Whoever 【详解】考查主语从句。句意：无论谁犯错误都必须纠正它们。空格处应填入一个引导主语从句的连接代词，结合语意，需使用“whoever”引导的主语从句表示“任何犯错误的人”，同时“Whoever”在从句中充当主语。故填Whoever。 25． is known to us all is that America is a developed country belonging to the first world. 【答案】What 【详解】考查主语从句。句意：众所周知，美国是一个属于第一世界的发达国家。空格处引导主语从句，作主语，应用连接代词what引导主语从句。首字母大写。故填What。 26． Li Bai, a noted Chinese poet, was born is known to the public, but some won’t accept it. 【答案】Where 【详解】考查主语从句。句意：李白，中国著名诗人，他的出生地是众所周知的，但有些人不接受。“______ Li Bai, a noted Chinese poet, was born”是主语从句，由was born可知，句子表示“李白的出生地是众所周知的”，空格处用where引导主语从句，表示“在……地方”。故填Where。 27． the weather will not clear up until net week is bad news for us. 【答案】That 【详解】考查主语从句。句意：天气要到下星期才会放晴，这对我们来说是个坏消息。空格处引导的是主语从句，从句中不缺成分，且句子意思完整，因此空格处用that引导主语从句，位于句首的单词首字母大写，故填That。 28． he carried his living before is not clear to us. 【答案】How 【详解】考查主语从句。句意：我们不清楚他以前是怎样生活的。is前面为主语从句，从句结构完整，根据句意，缺少“如何”，用how，放在句首，首字母大写。故填How。 29． he spied on me puzzled me for a long time. 【答案】Why 【详解】考查主语从句。句意：他为什么监视我让我困惑了很久。 空处引导主语从句，在句中作原因状语，意为“为什么”，用why引导主语从句，且空处位于句首，需首字母大写。故填Why。 30． lifestyle is the most beneficial to our health is still unknown. 【答案】Which 【详解】考查主语从句的引导词。句意：哪种生活方式对我们的健康最有益还不得而知。设空处引导主语从句且在句中作定语，表示“哪一种”应用which。故填which。 31．It is still doubtful she will play the role. 【答案】whether/if 【详解】考查主语从句。句意：她是否会出演这个角色还是个疑问。It为形式主语，空处引导主语从句作真正主语，结合still doubtful可知，从句不缺少成分，句子结构完整，空处表示“是否”用whether/if。故填whether/if。 32．It’s no wonder this research laid the foundation for the discovery of the new drug. 【答案】that 【详解】考查主语从句。句意：难怪这项研究为新药的发现奠定了基础。it为形式主语，空处引导主语从句，从句不缺成分，引导词没有含义，需用连接词that引导。故填that。 33．It’s merely a question of time he agrees or not. 【答案】whether 【详解】考查主语从句。句意：他是否同意只是个时间问题。It为形式主语，空处引导主语从句，从句不缺成分，表示“是否”应用whether，和“or not”连用。故填whether。 34．Under a microscope, can’t be seen by our eyes is visible. 【答案】what/whatever 【详解】考查主语从句。句意：在显微镜下，我们肉眼看不见的东西都是可见的。“________ can’t be seen by our eyes”为主语从句，从句缺少主语，表示“什么/无论什么”应用what/whatever引导。故填what/whatever。 35． we’ll go camping next week depends on the weather. 【答案】Whether 【详解】考查主语从句。句意：下周我们是否去露营取决于天气。引导主语从句，位于句首，且表示“是否”应用whether，首字母大写。故填Whether。 36．When it comes to English study, we need is a lot of practice in listening and reading. 【答案】what 【详解】考查主语从句。句意：当提到英语学习，我们需要的是大量的听力和阅读练习。分析句子结构可知，空处引导主语从句，从句中的need缺少宾语，故填what。 37． is uncertain whether he can come to Jenny’s birthday party or not. 【答案】It 【详解】考查it作形式主语。句意：不确定他是否可以来Jenny的生日聚会。分析句子结构可知，whether引导的从句是真正的主语，此处用it作形式主语。故填It。 38． we discovered is that it’s unwise to judge what you eat only by its appearance. 【答案】What 【详解】考查主语从句。句意：我们发现仅凭外观来判断你吃的东西是不明智的。空处引导主语从句，从句中缺少discovered的宾语，且指物，应用what引导，位于句首，首字母大写。故填What。 39．When I saw the various supplies we had collected, it hit me every kit we were to build that day would eventually be in the hands of an Iraqi child. 【答案】that 【详解】考查主语从句。句意：当我看到我们收集到的各种物资时，我突然想到，我们那天要做的每一件装备最终都会到一个伊拉克孩子手中。结合“it hit me”可知，此处用固定句型it hits sb. that…表示“某人突然想到⋯⋯”，it为形式主语，that引导的名词性从句作真正的主语。故填that。 40． remains important is that we have an incredible desire to think and create. 【答案】What 【详解】考查主语从句。句意：重要的是，我们有一种难以置信的渴望去思考和创造。空处引导主语从句，引导词在从句中作主语，指物，使用连接代词what引导，首字母应大写，故填What。 二、完成句子 41． I will miss the team’s next game. 看来我会错过球队的下一场比赛。 【答案】 It seems that 【详解】考查固定句型。陈述客观事实，使用一般现在时，此处表示“看起来……”，应用固定句型It seems that...，其中it为形式主语，that引导主语从句，句首单词首字母大写。故填It seems that。 42． I like Joy’s healthy lifestyle. 我喜欢的是Joy健康的生活方式。 【答案】 What is 【详解】考查主语从句和时态。对比中英文句子可知，本句可处理为主语从句，从句 I like中缺少主语，且指代事情，应用连接代词what引导从句；第二空为主句谓语，句子陈述客观事实，用一般现在时，句子作主语，看作单数，因此表达“是”用is。综上，故填What；is。 43． he had lost the laptop what we wanted to know. 他把笔记本电脑丢在了哪里，正是我们想知道的。 【答案】【小题1】Where 【小题2】was 【详解】考查主语从句和时态。分析句子结构可知，“____ he had lost the laptop”是句子主语，主谓宾结构完整，第一空在从句里作状语，根据汉语提示“哪里”可知，此空应是where引导主语从句，句首单词首字母应大写，故第一空填Where。句子缺谓语，根据从句的“had lost”和“wanted”可知，主句描述的也是过去的情况，第二空应是was，空后“what we wanted to know”是表语从句。故填①Where；②was。 44．使我们吃惊的是，社交网络发展的如此之快。 is that the development of social networking is so fast. 【答案】What amazes us 【详解】考查主语从句和时态。分析句子结构可知，空格处引导主语从句，且在从句中作主语，表示“使我们吃惊的事情”，应用连接代词what引导该主语从句，“使……吃惊”可译为amaze，根据主从句中is时态一般现在时可知，本句也用一般现在时，主语what视为单数，谓语动词amaze用第三人称单数形式amazes，“我们”在从句中作宾语，应用宾格us，首字母大写。故填What amazes us。 45． there will be some job losses. 很显然，将会有一些人失去工作了。 【答案】It is evident that 【详解】考查主语从句、固定短语。句意：很显然，将会有一些人失去工作了。根据句意及所给提示，此处考查 it 作形式主语，真正的主语是后面的从句“there will be some job losses”，“很显然”译为evident，常用结构为“It is evident that...”，其中 it 是形式主语，that 引导的主语从句是真正的主语，故填It is evident that。 46． will be punished. 任何人触犯法律都会受到惩罚。 【答案】Whoever breaks the law 【详解】考查主语从句。对比中英文句子可知，“任何人触犯法律”处理为whoever引导的主语从句，“触犯法律”表达为break the law，break作谓语，句子陈述客观事实，应用一般现在时，主语whoever是第三人称单数，谓语动词用单数形式。故填Whoever breaks the law。 47． will receive a prize. 谁先爬上山顶，谁就会得奖。 【答案】Whoever climbs to the top of the hill first 【详解】考查主语从句。表示“谁先爬上山顶”通常用whoever引导的名词性从句作为主语，相当于anyone who，是单数，后接主句will receive a prize，从句使用一般现在时，表示“先爬上山顶”为动词短语climb to the top of the hill first。主谓一致，句首单词首字母大写，故填Whoever climbs to the top of the hill first。 48．她想找的是祖母曾经住过的那栋老房子。 she wants to find is the old house her grandmother used to live. 【答案】 What where 【详解】考查主语从句和定语从句。第一空引导主语从句，从句缺少宾语，指物，故用what，置于句首，首字母大写；第二空引导定语从句，修饰先行词house，指地点，关系词在从句作地点状语，故用关系副词where。故填①What；②where。 49． is still a puzzle. 那个迷路的孩子去了哪里仍然是个谜。 【答案】Wherever the lost child went 【详解】考查主语从句的引导词及语序。 根据汉语提示 “那个迷路的孩子去了哪里”，可知空处需填主语从句。引导词“哪里”用where，从句需用陈述句语序（主语 + 谓语）。“迷路的孩子”译为 “the lost child”，“去了哪里” 为过去发生的动作，用一般过去时，谓语动词go的过去式为went。故填Where the lost child went。 50． has not been found out. 杰克为何迟到还没有弄清楚。 【答案】Why Jack was late 【详解】考查主语从句。该部分在句中作主语，是主语从句。根据中文 “杰克为何迟到”，“为何”用 why 引导，“迟到”动作发生在过去，用一般过去时was late。故填Why Jack was late。 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $