高考英语主语从句专练-巩固提升-2027届高三英语一轮复习专项

**基本信息** 以四步解题法为核心，系统整合引导词辨析、it作形式主语等考点，通过100道梯度训练构建“识别-分析-判断-验证”的完整思维链，强化主语从句的精准应用能力，提升语言理解与逻辑分析的思维品质。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |考点讲解|4大考点+标准步骤|引导词“成分-语义”判断法、it模板分类记忆、四步解题流程|从引导词分类（that/whether/连接代词/副词）到it作形式主语，再到主谓一致与易错陷阱，形成“概念-应用-避坑”的递进逻辑| |专项训练|100题|通过梯度设题强化成分分析与语义判断|覆盖不同引导词、it形式主语等考法，对应考点讲解中的方法体系，实现以题练法、以练固知|

2027高考英语一轮复习-主语从句专练 主语从句专练-巩固提升 考点讲解 一、引导词辨析 引导词分三大类，判断顺序：先看缺不缺成分 → 再看句意 1. that 从句主谓结构完整、句意确定无疑问，that无词义、不作成分，仅起连接 必考陷阱：句首主语从句，that绝对不能省略！（宾语从句that可省，这是最常对比挖坑点） 例：That we should value honesty is important. 2. whether 从句完整、语义表“是否” 铁律：主语从句（句首）只能用whether，不能用if！ 拓展：it作形式主语后置时，偶尔可用if；有or not时，只能用whether 例：Whether the plan will work remains unknown. 3. 连接代词：what / who / whom / whose / which / whatever / whoever 从句缺主语 / 宾语 / 表语 / 定语时选用 王者考点：what = the thing(s) that，最常考（区分that vs what：缺成分→what；不缺成分→that） 例：What he did surprised everyone.（did缺宾语） 4. 连接副词：when / where / why / how 从句主谓完整，但缺时间/地点/原因/方式状语 例：How we balance study and rest matters a lot. 二、it 作形式主语 真正主语从句后置，it 放在主句当假主语，写作、语法填空都常考，务必背4大类固定模板： 1. It is + 形容词 + that从句 It is clear / obvious / true / important / necessary / strange that… 特殊：important/necessary/strange 后从句常用虚拟 (should) do 2. It is + 名词短语 + that从句 It is a pity / a fact / common knowledge / no wonder that… 3. It is + 过去分词 + that从句 It is said / reported / believed / suggested / announced that…（据说/据报道/人们认为） 4. It + 不及物动词 + that从句 It seems / appears / happens / occurred to sb. that…（某人突然想到…） 【what引导的主语从句，一般不使用it作形式主语】 三、主谓一致 单个主语从句作主语，主句谓语动词一般用单数 例：What we need is more patience. 【what从句指代多个不同事物时，谓语可用复数】 四、高频易错陷阱 1. 句首主语从句漏写 that（对比宾从that可省） 2. 句首表“是否”误用 if → 只能whether 3. 分不清 that / what：从句缺成分硬填that 4. no matter what / no matter who 不能引导主语从句！（只能引导让步状语从句；名词性从句用whatever / whoever） 5. 和定语从句混淆：what不能引导定语从句；that不能在名词性从句中充当主宾 5、 标准做题步骤 1. 识别：从句在主句主语位置 → 判定主语从句 2. 拆分：划出从句，看从句内部是否缺主/宾/表 ◦ 缺名词性成分 → what/who/which… ◦ 不缺成分 → 下一步看句意 3. 判语义： ◦ 陈述事实、无疑问 → that ◦ 表“是否” → whether ◦ 缺状语（何时/何地/为何/如何）→ when/where/why/how 4. 检查特殊规则：句首不能用if、句首that不可省略 专项训练 1. ________ gains practical experience will have an advantage in future job interviews. 2. It remains uncertain ________ the newly introduced policy will benefit local farmers. 3. ________ matters most in long‑term progress is continuous self‑reflection. 4. ________ the ancient trade route once extended will be further confirmed by new evidence. 5. It strikes many educators ________ teenagers need more guidance rather than strict control. 6. ________ the research team failed to collect enough data caused the project delay. 7. ________ contributes to community welfare deserves public recognition. 8. It has not been announced ________ the annual science competition will be held. 9. ________ we interpret social signals decides how we interact with strangers. 10. ________ the museum chooses as its new director must possess rich management experience. 11. It makes a huge difference ________ students develop independent thinking at an early age. 12. ________ can offer creative solutions to environmental problems will receive funding support. 13. ________ the remote area lacks most is stable internet access. 14. It puzzles researchers ________ the species can survive such extreme climate conditions. 15. ________ we arrange the volunteer schedule should take everyone’s spare time into account. 16. ________ the official report ignored remains a heated topic among citizens. 17. It stands to reason ________ regular exercise improves mental performance. 18. ________ the committee will approve the budget proposal depends on detailed statistics. 19. ________ shapes one’s personality is not only family education but also life experiences. 20. ________ the coastal city will build another port requires further environmental assessment. 21. It has been widely discussed ________ online learning can fully replace classroom teaching. 22. ________ the writer expresses between the lines reveals his attitude toward social issues. 23. ________ gets involved in the public survey may voice personal opinions freely. 24. It is still debated ________ small businesses can survive fierce market competition. 25. ________ we prioritize in daily planning influences our long‑term achievements. 26. ________ the historic building suffered severe damage is being investigated by experts. 27. It occurs to many parents ________ proper encouragement works better than blame. 28. ________ the conference will invite as guest speakers hasn’t been officially confirmed. 29. ________ the local government should invest in first is public transportation. 30. ________ the experiment produces consistent results will prove the theory reliable. 31. It surprises many ________ simple daily habits can greatly affect physical health. 32. ________ supports the charity campaign can receive an official certificate. 33. ________ we fail to notice in social communication often leads to misunderstanding. 34. It is not yet clear ________ the regional trade agreement will take effect next year. 35. ________ we design the activity should encourage active participation of all age groups. 36. ________ the survey failed to cover drew criticism from several specialists. 37. It goes without saying ________ honesty forms the foundation of social trust. 38. ________ the board will vote for as the new manager will be announced next week. 39. ________ we gain from every failure prepares us for greater challenges ahead. 40. ________ the wildlife reserve will expand its boundary needs official approval. 41. It has become a common concern ________ young people face heavy pressure from study. 42. ________ the artist intends to convey through this painting needs deeper analysis. 43. ________ volunteers can provide timely help matters greatly in emergency situations. 44. It remains unknown ________ the ancient coins originally belonged to. 45. ________ we measure success should not be limited to material wealth only. 46. ________ the new regulation will affect small‑scale producers is under discussion. 47. It makes perfect sense ________ teamwork speeds up complex task completion. 48. ________ the documentary focuses on reflects local cultural traditions. 49. ________ takes responsibility for the mistake will get a chance to make up for it. 50. ________ the town will build a new hospital relies on sufficient financial support. 51. It has long been acknowledged ________ curiosity drives scientific exploration. 52. ________ the policy targets to protect requires stricter supervision. 53. ________ we respond to criticism determines our potential for self‑improvement. 54. It is still uncertain ________ the two sides will reach a final agreement soon. 55. ________ the team lacks at present is effective communication among members. 56. ________ the river suddenly rose sharply puzzled the local residents. 57. It strikes us ________ small acts of kindness can create positive social influence. 58. ________ the foundation will select as scholarship winners will be notified separately. 59. ________ we should preserve from the past is valuable cultural heritage. 60. ________ the satellite will transmit clear images depends on weather conditions. 61. It is frequently argued ________ strict rules limit teenagers’ creative thinking. 62. ________ the journalist uncovered in the interview attracted widespread attention. 63. ________ can offer practical advice will be welcomed by new participants. 64. It remains to be seen ________ the reform will bring expected benefits. 65. ________ we organize group tasks should respect individual strengths and weaknesses. 66. ________ the old record was broken amazed all audience members. 67. It is generally accepted ________ patience contributes to long‑term achievements. 68. ________ the company will launch its new product hasn’t been fixed yet. 69. ________ we value most in friendship is mutual respect and trust. 70. ________ the ancient tomb was discovered accidentally aroused public interest. 71. It makes little difference ________ transport means we choose for this short trip. 72. ________ the program aims to promote is cross‑cultural communication. 73. ________ signs up for the training course will receive free learning materials. 74. It is still questioned ________ online reviews can reflect product quality truly. 75. ________ we learn from role models helps us form positive values. 76. ________ the factory will reduce pollution effectively requires technical upgrades. 77. It has been proved ________ balanced diet benefits long‑term brain function. 78. ________ the judge will consider as key evidence will decide the final result. 79. ________ we overlook in risk prevention may cause unnecessary losses. 80. ________ the summit will be held offline worries some participants. 81. It is widely recognized ________ reading broadens one’s vision of the world. 82. ________ the novel describes vividly reflects social reality decades ago. 83. ________ volunteers arrive ahead of schedule can help prepare the site earlier. 84. It is hard to predict ________ the market demand will change in the coming season. 85. ________ we set as our short‑term goals must be realistic and achievable. 86. ________ the original manuscript disappeared still puzzles historians. 87. It stands out ________ emotional support matters more than material gifts. 88. ________ the committee will invite to deliver the opening speech is kept secret. 89. ________ we save in daily life can be donated to children in poor regions. 90. ________ the climate will turn favorable for the race is still uncertain. 91. It is often stressed ________ mutual understanding avoids unnecessary conflicts. 92. ________ the researcher discovered accidentally opened a new field of study. 93. ________ can meet the strict standards will qualify for the special fund. 94. It remains debatable ________ remote work improves overall work efficiency. 95. ________ we choose to believe shapes our attitude toward difficulties. 96. ________ the new law will be carried out smoothly needs joint efforts. 97. It makes clear ________ regular reflection helps correct improper behaviour. 98. ________ the survey compares in the report shows obvious regional differences. 99. ________ undertakes this tough task must possess enough courage and perseverance. 100. ________ the city will invest money in next is public green space construction. 参考答案+详细解析 1. 【答案】Whoever 【考点】whoever引导主语从句，在从句作主语 【解析】从句缺指人主语，whoever = anyone who，表“任何……的人”。句意：任何积累实践经验的人在未来求职面试中都更有优势。 2. 【答案】whether 【考点】it作形式主语，whether表“是否” 【解析】后置从句语义完整，主句表不确定，不用if。句意：新推行的政策是否会惠及当地农民，仍不确定。 3. 【答案】What 【考点】what引导主语从句，在从句作主语 【解析】从句缺少事物类主语。句意：长期进步中最重要的是持续自我反思。 4. 【答案】Where 【考点】where作地点状语 【解析】从句主谓完整，缺地点含义。句意：这条古商道曾经延伸至何处，将由新证据进一步证实。 5. 【答案】that 【考点】it作形式主语，that引导主语从句 【解析】It strikes sb. that…固定句型，从句语义完整。句意：许多教育者认为青少年需要更多引导而非严控。 6. 【答案】That 【考点】that引导句首主语从句 【解析】从句结构语义完整，陈述事实，句首that不可省略。句意：研究团队未能收集足够数据，造成项目延期。 7. 【答案】Whoever 【考点】whoever在从句作主语 【解析】指“任何为社区福利出力的人”。句意：任何为社区福利做贡献的人都值得公众认可。 8. 【答案】When/Where 【考点】连接副词作状语 【解析】从句完整，缺时间/地点。句意：年度科技竞赛何时/何地举办尚未官宣。 9. 【答案】How 【考点】how表方式状语 【解析】从句完整，意为“我们如何解读社交信号”。句意：我们如何解读社交信号，决定我们和陌生人的相处方式。 10. 【答案】Whoever 【考点】whoever作choose宾语 【解析】指“任何被选为馆长的人”。句意：博物馆选作新馆长的人必须具备丰富管理经验。 11. 【答案】whether 【考点】it作形式主语，whether表是否 【解析】句意：学生能否从小养成独立思考能力，会带来巨大差异。 12. 【答案】Whoever 【考点】whoever作从句主语 【解析】任何能提出环保创新方案的人都可获得资金支持。 13. 【答案】What 【考点】what作lacks宾语 【解析】这个偏远地区最缺少的是稳定网络。 14. 【答案】How 【考点】how作方式状语 【解析】研究人员疑惑该物种如何在极端气候下存活。 15. 【答案】How 【考点】how表方式 【解析】我们如何安排志愿者排班，应当兼顾所有人空闲时间。 16. 【答案】What 【考点】what作ignored宾语 【解析】官方报告忽略的内容仍是市民热议话题。 17. 【答案】that 【考点】It stands to reason that…固定句型 【解析】规律运动提升脑力表现合乎情理。 18. 【答案】Whether 【考点】whether引导主语从句表是否 【解析】委员会能否通过预算提案，取决于详细数据。 19. 【答案】What 【考点】what作从句主语 【解析】塑造性格的不仅是家庭教育，还有人生阅历。 20. 【答案】Whether 【考点】whether表是否 【解析】这座滨海城市是否新建港口，需要进一步环评。 21. 【答案】whether 【考点】it作形式主语，whether表是否 【解析】线上学习能否完全替代课堂教学，一直广受讨论。 22. 【答案】What 【考点】what作expresses宾语 【解析】作者字里行间表达的内容，体现他对社会问题的态度。 23. 【答案】Whoever 【考点】whoever作从句主语 【解析】任何参与民意调查的人都可自由发表观点。 24. 【答案】whether 【考点】it作形式主语，whether表是否 【解析】小企业能否在激烈市场竞争中存活仍有争议。 25. 【答案】What 【考点】what作prioritize宾语 【解析】我们在规划中优先考虑的事，会影响长期成果。 26. 【答案】How/Why 【考点】连接副词作状语 【解析】这座古建筑为何/如何严重受损，专家正在调查。 27. 【答案】that 【考点】It occurs to sb. that…固定句型 【解析】很多家长想到恰当鼓励比指责更有效。 28. 【答案】Who 【考点】who作invite宾语 【解析】会议将邀请谁作为演讲嘉宾尚未确认。 29. 【答案】What 【考点】what作invest in宾语 【解析】地方政府首要投资的应当是公共交通。 30. 【答案】Whether 【考点】whether表是否 【解析】实验能否产出稳定结果，将证明该理论可靠。 31. 【答案】that 【考点】it作形式主语 【解析】简单日常习惯能显著影响健康，令很多人惊讶。 32. 【答案】Whoever 【考点】whoever作从句主语 【解析】任何支持这场公益活动的人都可获得官方证书。 33. 【答案】What 【考点】what作fail to notice宾语 【解析】交际中我们忽视的内容，常常引发误解。 34. 【答案】whether 【考点】it作形式主语，whether表是否 【解析】这份区域贸易协定明年是否生效尚不明确。 35. 【答案】How 【考点】how表方式 【解析】我们如何设计活动，应当鼓励各年龄段积极参与。 36. 【答案】What 【考点】what作cover宾语 【解析】这项调查未能覆盖的内容遭到多位专家批评。 37. 【答案】that 【考点】It goes without saying that…固定句型 【解析】毋庸置疑，诚信是社会信任的基石。 38. 【答案】Who 【考点】who作vote for宾语 【解析】董事会投票选出的新任经理将于下周公布。 39. 【答案】What 【考点】what作gain宾语 【解析】我们从每一次失败中收获的东西，让我们准备好迎接更大挑战。 40. 【答案】Whether 【考点】whether表是否 【解析】野生动物保护区是否扩建边界需要官方审批。 41. 【答案】that 【考点】it作形式主语 【解析】年轻人面临巨大学业压力已成为普遍关注点。 42. 【答案】What 【考点】what作convey宾语 【解析】画家想通过这幅画传递的内涵需要深度解读。 43. 【答案】Whether 【考点】whether表是否 【解析】志愿者能否及时提供帮助，在紧急情况下至关重要。 44. 【答案】Who/Whom 【考点】who/whom作belonged to宾语 【解析】这些古钱币原本属于谁仍然未知。 45. 【答案】How 【考点】how表方式/标准 【解析】我们衡量成功的标准不应只局限于物质财富。 46. 【答案】How/Whether 【考点】连接副词 / whether表是否 【解析】新规会如何/是否影响小规模生产者，正在讨论。 47. 【答案】that 【考点】it作形式主语 【解析】团队协作可以加快复杂任务进度，十分合理。 48. 【答案】What 【考点】what作focuses on宾语 【解析】这部纪录片聚焦的内容展现了本土文化传统。 49. 【答案】Whoever 【考点】whoever作从句主语 【解析】任何为失误担责的人都有机会弥补过错。 50. 【答案】Whether 【考点】whether表是否 【解析】该镇能否新建医院取决于充足资金。 51. 【答案】that 【考点】it作形式主语 【解析】好奇心推动科学探索早已得到公认。 52. 【答案】What 【考点】what作protect宾语 【解析】这项政策旨在保护的对象需要更严格监管。 53. 【答案】How 【考点】how表方式 【解析】我们如何面对批评，决定自我提升潜力。 54. 【答案】whether 【考点】it作形式主语，whether表是否 【解析】双方能否很快达成最终协议尚不确定。 55. 【答案】What 【考点】what作lacks宾语 【解析】团队目前缺少的是成员间高效沟通。 56. 【答案】Why/How 【考点】连接副词作状语 【解析】河水为何突然暴涨让当地居民疑惑。 57. 【答案】that 【考点】It strikes sb. that…固定句型 【解析】微小善举可以产生积极社会影响，让我们深有感触。 58. 【答案】Whoever 【考点】whoever作select宾语 【解析】基金会选为奖学金获得者的人将单独通知。 59. 【答案】What 【考点】what作preserve宾语 【解析】我们应当从过去留存的是珍贵文化遗产。 60. 【答案】Whether 【考点】whether表是否 【解析】卫星能否传输清晰图像取决于天气状况。 61. 【答案】whether 【考点】it作形式主语，whether表是否 【解析】严格规则是否限制青少年创造力一直有争论。 62. 【答案】What 【考点】what作uncovered宾语 【解析】记者采访中揭露的内容引发广泛关注。 63. 【答案】Whoever 【考点】whoever作从句主语 【解析】任何能提供实操建议的人都会受到新参与者欢迎。 64. 【答案】whether 【考点】It remains to be seen whether…固定句型 【解析】改革能否带来预期效益仍有待观察。 65. 【答案】How 【考点】how表方式 【解析】我们如何分配小组任务，应当尊重每个人优缺点。 66. 【答案】That 【考点】that引导句首主语从句 【解析】旧纪录被打破一事让全场观众惊叹。 67. 【答案】that 【考点】it作形式主语 【解析】耐心有助于长期成就，这是普遍共识。 68. 【答案】When/Where 【考点】连接副词作状语 【解析】公司何时推出新产品尚未敲定。 69. 【答案】What 【考点】what作value宾语 【解析】友谊中我们最看重的是互相尊重与信任。 70. 【答案】That 【考点】that引导句首主语从句 【解析】古墓被意外发现一事引发大众兴趣。 71. 【答案】which 【考点】which引导主语从句，表“哪一种” 【解析】短途出行选哪种交通工具差别不大。 72. 【答案】What 【考点】what作promote宾语 【解析】该项目旨在推动的是跨文化交流。 73. 【答案】Whoever 【考点】whoever作从句主语 【解析】任何报名培训课程的人都可领取免费学习资料。 74. 【答案】whether 【考点】it作形式主语，whether表是否 【解析】网络评价能否真实反映产品质量仍受质疑。 75. 【答案】What 【考点】what作learn宾语 【解析】我们从榜样身上学到的东西，帮助塑造正向价值观。 76. 【答案】How/Whether 【考点】连接副词 / whether表是否 【解析】工厂如何/能否有效减污，需要技术升级。 77. 【答案】that 【考点】it作形式主语 【解析】均衡饮食有益于长期大脑功能已被证实。 78. 【答案】What 【考点】what作consider宾语 【解析】法官视作关键证据的材料将决定最终结果。 79. 【答案】What 【考点】what作overlook宾语 【解析】风险防控中我们忽略的内容，可能造成不必要损失。 80. 【答案】Whether 【考点】whether表是否 【解析】峰会是否线下举办让部分参与者担忧。 81. 【答案】that 【考点】it作形式主语 【解析】阅读拓宽眼界是广泛共识。 82. 【答案】What 【考点】what作describes宾语 【解析】小说生动描绘的内容折射数十年前的社会现实。 83. 【答案】Whoever 【考点】whoever作从句主语 【解析】志愿者提前抵达可以协助布置场地。 84. 【答案】How 【考点】how表方式/趋势 【解析】很难预测下个季度市场需求如何变化。 85. 【答案】What 【考点】what作set宾语 【解析】我们设定的短期目标必须现实可行。 86. 【答案】How/Why 【考点】连接副词作状语 【解析】原始手稿为何消失，至今让历史学家困惑。 87. 【答案】that 【考点】it作形式主语 【解析】精神支持比物质礼物更突出。 88. 【答案】Who 【考点】who作invite宾语 【解析】委员会邀请谁做开幕演讲暂时保密。 89. 【答案】Whatever 【考点】whatever作save宾语 【解析】我们日常生活省下的一切，都可以捐赠给贫困地区儿童。 90. 【答案】Whether 【考点】whether表是否 【解析】气候是否会变得适合赛事仍不确定。 91. 【答案】that 【考点】it作形式主语 【解析】常被强调：互相理解可以避免不必要冲突。 92. 【答案】What 【考点】what作discovered宾语 【解析】研究者偶然的发现开辟了新研究领域。 93. 【答案】Whoever 【考点】whoever作从句主语 【解析】任何达到严格标准的人都有资格申请专项基金。 94. 【答案】whether 【考点】it作形式主语，whether表是否 【解析】远程办公能否提升整体效率仍有争议。 95. 【答案】What 【考点】what作believe宾语 【解析】我们选择相信什么，塑造我们面对困境的态度。 96. 【答案】Whether 【考点】whether表是否 【解析】新法规能否顺利落地，需要各方合力。 97. 【答案】that 【考点】it作形式主语 【解析】定期反思有助于纠正不当行为，这点很明确。 98. 【答案】What 【考点】what作compares宾语 【解析】报告里调查对比的数据体现明显地域差异。 99. 【答案】Whoever 【考点】whoever作从句主语 【解析】任何承接这项艰巨任务的人，必须具备足够勇气与毅力。 100. 【答案】What 【考点】what作invest money in宾语 【解析】这座城市接下来要投资建设的是公共绿地。 学科网（北京）股份有限公司 $2027高考英语一轮复习-主语从句专练 主语从句专练-巩固提升 考点讲解 一、引导词辨析 引导词分三大类，判断顺序：先看缺不缺成分 → 再看句意 1. that 从句主谓结构完整、句意确定无疑问，that无词义、不作成分，仅起连接 必考陷阱：句首主语从句，that绝对不能省略！（宾语从句that可省，这是最常对比挖坑点） 例：That we should value honesty is important. 2. whether 从句完整、语义表“是否” 铁律：主语从句（句首）只能用whether，不能用if！ 拓展：it作形式主语后置时，偶尔可用if；有or not时，只能用whether 例：Whether the plan will work remains unknown. 3. 连接代词：what / who / whom / whose / which / whatever / whoever 从句缺主语 / 宾语 / 表语 / 定语时选用 王者考点：what = the thing(s) that，最常考（区分that vs what：缺成分→what；不缺成分→that） 例：What he did surprised everyone.（did缺宾语） 4. 连接副词：when / where / why / how 从句主谓完整，但缺时间/地点/原因/方式状语 例：How we balance study and rest matters a lot. 二、it 作形式主语 真正主语从句后置，it 放在主句当假主语，写作、语法填空都常考，务必背4大类固定模板： 1. It is + 形容词 + that从句 It is clear / obvious / true / important / necessary / strange that… 特殊：important/necessary/strange 后从句常用虚拟 (should) do 2. It is + 名词短语 + that从句 It is a pity / a fact / common knowledge / no wonder that… 3. It is + 过去分词 + that从句 It is said / reported / believed / suggested / announced that…（据说/据报道/人们认为） 4. It + 不及物动词 + that从句 It seems / appears / happens / occurred to sb. that…（某人突然想到…） 【what引导的主语从句，一般不使用it作形式主语】 三、主谓一致 单个主语从句作主语，主句谓语动词一般用单数 例：What we need is more patience. 【what从句指代多个不同事物时，谓语可用复数】 四、高频易错陷阱 1. 句首主语从句漏写 that（对比宾从that可省） 2. 句首表“是否”误用 if → 只能whether 3. 分不清 that / what：从句缺成分硬填that 4. no matter what / no matter who 不能引导主语从句！（只能引导让步状语从句；名词性从句用whatever / whoever） 5. 和定语从句混淆：what不能引导定语从句；that不能在名词性从句中充当主宾 5、 标准做题步骤 1. 识别：从句在主句主语位置 → 判定主语从句 2. 拆分：划出从句，看从句内部是否缺主/宾/表 ◦ 缺名词性成分 → what/who/which… ◦ 不缺成分 → 下一步看句意 3. 判语义： ◦ 陈述事实、无疑问 → that ◦ 表“是否” → whether ◦ 缺状语（何时/何地/为何/如何）→ when/where/why/how 4. 检查特殊规则：句首不能用if、句首that不可省略 专项训练 1. ________ gains practical experience will have an advantage in future job interviews. 2. It remains uncertain ________ the newly introduced policy will benefit local farmers. 3. ________ matters most in long‑term progress is continuous self‑reflection. 4. ________ the ancient trade route once extended will be further confirmed by new evidence. 5. It strikes many educators ________ teenagers need more guidance rather than strict control. 6. ________ the research team failed to collect enough data caused the project delay. 7. ________ contributes to community welfare deserves public recognition. 8. It has not been announced ________ the annual science competition will be held. 9. ________ we interpret social signals decides how we interact with strangers. 10. ________ the museum chooses as its new director must possess rich management experience. 11. It makes a huge difference ________ students develop independent thinking at an early age. 12. ________ can offer creative solutions to environmental problems will receive funding support. 13. ________ the remote area lacks most is stable internet access. 14. It puzzles researchers ________ the species can survive such extreme climate conditions. 15. ________ we arrange the volunteer schedule should take everyone’s spare time into account. 16. ________ the official report ignored remains a heated topic among citizens. 17. It stands to reason ________ regular exercise improves mental performance. 18. ________ the committee will approve the budget proposal depends on detailed statistics. 19. ________ shapes one’s personality is not only family education but also life experiences. 20. ________ the coastal city will build another port requires further environmental assessment. 21. It has been widely discussed ________ online learning can fully replace classroom teaching. 22. ________ the writer expresses between the lines reveals his attitude toward social issues. 23. ________ gets involved in the public survey may voice personal opinions freely. 24. It is still debated ________ small businesses can survive fierce market competition. 25. ________ we prioritize in daily planning influences our long‑term achievements. 26. ________ the historic building suffered severe damage is being investigated by experts. 27. It occurs to many parents ________ proper encouragement works better than blame. 28. ________ the conference will invite as guest speakers hasn’t been officially confirmed. 29. ________ the local government should invest in first is public transportation. 30. ________ the experiment produces consistent results will prove the theory reliable. 31. It surprises many ________ simple daily habits can greatly affect physical health. 32. ________ supports the charity campaign can receive an official certificate. 33. ________ we fail to notice in social communication often leads to misunderstanding. 34. It is not yet clear ________ the regional trade agreement will take effect next year. 35. ________ we design the activity should encourage active participation of all age groups. 36. ________ the survey failed to cover drew criticism from several specialists. 37. It goes without saying ________ honesty forms the foundation of social trust. 38. ________ the board will vote for as the new manager will be announced next week. 39. ________ we gain from every failure prepares us for greater challenges ahead. 40. ________ the wildlife reserve will expand its boundary needs official approval. 41. It has become a common concern ________ young people face heavy pressure from study. 42. ________ the artist intends to convey through this painting needs deeper analysis. 43. ________ volunteers can provide timely help matters greatly in emergency situations. 44. It remains unknown ________ the ancient coins originally belonged to. 45. ________ we measure success should not be limited to material wealth only. 46. ________ the new regulation will affect small‑scale producers is under discussion. 47. It makes perfect sense ________ teamwork speeds up complex task completion. 48. ________ the documentary focuses on reflects local cultural traditions. 49. ________ takes responsibility for the mistake will get a chance to make up for it. 50. ________ the town will build a new hospital relies on sufficient financial support. 51. It has long been acknowledged ________ curiosity drives scientific exploration. 52. ________ the policy targets to protect requires stricter supervision. 53. ________ we respond to criticism determines our potential for self‑improvement. 54. It is still uncertain ________ the two sides will reach a final agreement soon. 55. ________ the team lacks at present is effective communication among members. 56. ________ the river suddenly rose sharply puzzled the local residents. 57. It strikes us ________ small acts of kindness can create positive social influence. 58. ________ the foundation will select as scholarship winners will be notified separately. 59. ________ we should preserve from the past is valuable cultural heritage. 60. ________ the satellite will transmit clear images depends on weather conditions. 61. It is frequently argued ________ strict rules limit teenagers’ creative thinking. 62. ________ the journalist uncovered in the interview attracted widespread attention. 63. ________ can offer practical advice will be welcomed by new participants. 64. It remains to be seen ________ the reform will bring expected benefits. 65. ________ we organize group tasks should respect individual strengths and weaknesses. 66. ________ the old record was broken amazed all audience members. 67. It is generally accepted ________ patience contributes to long‑term achievements. 68. ________ the company will launch its new product hasn’t been fixed yet. 69. ________ we value most in friendship is mutual respect and trust. 70. ________ the ancient tomb was discovered accidentally aroused public interest. 71. It makes little difference ________ transport means we choose for this short trip. 72. ________ the program aims to promote is cross‑cultural communication. 73. ________ signs up for the training course will receive free learning materials. 74. It is still questioned ________ online reviews can reflect product quality truly. 75. ________ we learn from role models helps us form positive values. 76. ________ the factory will reduce pollution effectively requires technical upgrades. 77. It has been proved ________ balanced diet benefits long‑term brain function. 78. ________ the judge will consider as key evidence will decide the final result. 79. ________ we overlook in risk prevention may cause unnecessary losses. 80. ________ the summit will be held offline worries some participants. 81. It is widely recognized ________ reading broadens one’s vision of the world. 82. ________ the novel describes vividly reflects social reality decades ago. 83. ________ volunteers arrive ahead of schedule can help prepare the site earlier. 84. It is hard to predict ________ the market demand will change in the coming season. 85. ________ we set as our short‑term goals must be realistic and achievable. 86. ________ the original manuscript disappeared still puzzles historians. 87. It stands out ________ emotional support matters more than material gifts. 88. ________ the committee will invite to deliver the opening speech is kept secret. 89. ________ we save in daily life can be donated to children in poor regions. 90. ________ the climate will turn favorable for the race is still uncertain. 91. It is often stressed ________ mutual understanding avoids unnecessary conflicts. 92. ________ the researcher discovered accidentally opened a new field of study. 93. ________ can meet the strict standards will qualify for the special fund. 94. It remains debatable ________ remote work improves overall work efficiency. 95. ________ we choose to believe shapes our attitude toward difficulties. 96. ________ the new law will be carried out smoothly needs joint efforts. 97. It makes clear ________ regular reflection helps correct improper behaviour. 98. ________ the survey compares in the report shows obvious regional differences. 99. ________ undertakes this tough task must possess enough courage and perseverance. 100. ________ the city will invest money in next is public green space construction. 学科网（北京）股份有限公司 $