Unit 5 Working the land Using Language 单元语法复习导学案-2026-2027学年高中英语人教版选择性必修第一册

( 1 )2025级高二英语备课组学案 人与社会之农业 单元语法复习 Unit 5　Working the Land 主语从句(Subject clauses) 【教材例句探究】 1. What concerned him most was that farmers often had poor harvests and sometimes even had a serious shortage of food to eat. 2. Whether it was possible to develop a hybrid of self-pollinating plants such as rice was a matter of great debate. 3. It is estimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuan’s hybrid strains. 4. What impressed people most about Yuan Longping was his ongoing ability to fulfil his dreams. 探究: 句1、4缺少主语, 且指“什么” 句2不缺成分, 根据语意可知, 空格处表示 “是否”。 句3是it作形式主语 【语法精讲】 一、主语从句 　　主语从句是名词性从句的一种, 在复合句中作主语, 相当于名词。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。 What is considered a wise choice is to make a reasonable study plan. 被认为是一个明智的选择是制定合理的学习计划。 It is advisable that we should take part in outdoor activities regularly. 建议我们定期参加户外活动。二、主语从句的引导词 1. 连词that、whether, 在主语从句中不充当任何成分, 只起连接作用, 不可省略, 其中that没有词义, whether表示“是否”, 但是不能换成if。 That he has made great progress is obvious. 他取得了很大进步，这是显而易见的。 That the meeting will be put off has not been announced yet. 会议将被推迟这件事尚未被宣布。 Whether he will attend the meeting is still unknown. 他是否会参加会议仍然未知。 Whether we can finish the task on time depends on the weather. 我们能否按时完成任务取决于天气。 2. 连接代词what、who、whom、 which、whose, 在主语从句中分别充当主语、宾语、表语、定语, 不可省略。 What truly shapes who we are is not the challenges we face, but the courage we show when overcoming them. 真正塑造我们的，并非我们面临的挑战，而是我们克服挑战时展现的勇气。（what 作从句宾语） Who stands by you in your darkest moments is the one who deserves your lifelong trust. 在你最艰难时刻依然陪在你身边的人，才值得你一生信任。（who 作从句主语） Whom you choose to share your joys and sorrows with says more about your values than any resume ever could. 你选择与谁分享喜怒哀乐，比任何简历都更能体现你的价值观。（whom 作从句宾语） Which path you take will define not just your career, but the kind of person you become. 你选择哪条路，决定的不仅是你的职业，更是你将成为怎样的人。（which 作从句定语） Whose dream is big enough to light up the whole world deserves our respect and support. 谁的梦想足够宏大到能照亮整个世界，谁就值得我们尊重与支持。（whose 作从句定语） 【知识深一度】 主语从句的引导词还有哪些? wh-+ever, 如whoever、whatever、whichever等也可引导主语从句, 在句中充当主语、宾语、表语等, 不可省略。 Whoever breaks the school rules will be punished. 无论谁违反校规都会受到处罚。（whoever 作从句主语） Whichever is cheaper is not always the better choice. 无论哪一个更便宜，都不一定是更好的选择。（whichever 作从句主语） 【即学活用】单句语法填空 1._________makes a good teacher is patience, knowledge and love for students. 2._________wants to join the school volunteer team should sign up before Friday. 3._________ we can finish the project on time depends on everyone’s effort. 4._________ she has been admitted to her dream university makes her parents very proud. 5._________we should balance study and rest is worth discussing. 6.It is obvious _________whatever difficulties we meet, we should never give up. 7._________ the teacher emphasized in class is that we should review what we have learned. 8._________ he refused our invitation remains a mystery. 9._________we will hold the English speech contest has not been decided yet. 10._________ breaks the traffic rules should take responsibility for his or her actions. 三、it作形式主语的主语从句 　　在主语从句中如果主语太长, 宾语或表语又太短, 为了避免头重脚轻, 保持句子平衡, 通常会采用it作形式主语, 真正的主语从句放在后面。 常见的使用it作形式主语的句子 (1)It+be+形容词+that从句 (2)It+be+过去分词(said/reported/ believed/announced. . . )+that从句 (3)It+be+名词(a pity/no wonder/an honor/a good idea/a fact. . . )+that从句 (4)It+不及物动词(短语)(seemed/happened/appeared/looked/occurred to/turned out)+that从句 (5)It+及物动词(短语)(worried/shocked)+that从句 It is important that we should develop good study habits. 养成良好学习习惯很重要。 It is obvious that smartphones have changed our daily life. 显然，智能手机已经改变了我们的日常生活。 It is said that reading can broaden our horizons. 据说阅读可以开阔我们的视野。 It has been reported that the school will hold a cultural festival next month. 据报道，学校将于下个月举办文化节。 It is a pity that he missed the English speech contest. 他错过了英语演讲比赛，真遗憾。 It is no wonder that she won the first prize in the competition. 她在比赛中获得一等奖并不奇怪。 It seemed that he was worried about the coming exam. 他似乎对即将到来的考试感到担忧。 It turned out that the lost wallet was found by a kind student. 结果，丢失的钱包被一位好心的学生找到了。 It worried his parents that he spent too much time on short videos. 他花太多时间看短视频，这让父母很担心。 It shocked everyone that the old building would be pulled down. 那座老建筑将被拆除，这让大家都很震惊。 四、主语从句的语序和时态问题 　　主语从句和其他名词性从句一样, 必须使用陈述语序, 尤其是当主语从句是疑问词引导的时候, 主语从句的语序仍须使用陈述语序。 *What came into my mind was that we’re supposed to live in harmony with wildlife. 我想到的是, 我们应该与野生动物和谐相处。 五、主语从句的主谓一致 　　主语从句作主语相当于名词, 和非谓语动词的动词-ing形式或者不定式作主语一样看作单数, 句子谓语应该使用单数形式。 *What the doctors really doubt is whether my mother will recover from the serious disease soon. 医生不确定我妈妈是否不久就能从这场重病中恢复过来。 【知识深一度】 (1)what和who引导主语从句时, 有时主句谓语的数应与主句中作表语的名词保持一致。 *What they need are books. 他们需要的是书。 (2)如果由and连接两个或两个以上的主语从句作主语时, 谓语动词用复数; 由两个或多个连接词引导一个主语从句时, 谓语动词用单数。 *When they will start and where they will go have not been decided yet. 他们什么时候动身以及要去哪里还没定下来。 *How and why he came to this city is a story of struggle and success. 他如何及为什么来到这个城市是一个充满奋斗和成功的故事。 【即学活用】完成句子 1.学校图书馆是否应在周末开放仍在讨论中。 ___________________________ the school library should be open on weekends. 2.已决定运动会将于下周五举行。 __________________ the sports meeting will be held next Friday. 3.最打动观众的是，那个小男孩把自己的午餐分给了一只流浪狗。 ___________________________ was that the little boy shared his lunch with a stray dog. 4.哪支队伍会赢得决赛仍然是个疑问。 It is still open to question ____________________________________. 5.那座古寺在火灾中被毁，真是一大遗憾。 ___________________________the ancient temple was destroyed in the fire. 【语法要点微练】 Ⅰ. 单句语法填空 1. (2025·新高考Ⅰ卷)It’s estimated_________the global demand for electricity could more than double by 2050. 2. (2025·新高考Ⅰ卷)Scientists are still trying to determine how harmful microplastics are — but _________ they do know has raised concerns. 3. (2024·新高考Ⅱ卷)She says it is essential _________ we keep control of artificial intelligence, or risk being sidelined and perhaps even worse. 4. (2023·全国甲卷)_________ we discovered is that it’s unwise to judge what you eat only by its appearance. 5. (2022·全国乙卷)It turns out _________ students favor the entertaining ways over the traditional ones when it comes to English learning. 6. _________ we should help up a fallen old person or not remains a heated topic in China. 7. _________ makes the most beautiful kite will win a prize in the Kite Festival. 8. _________ he will go abroad is being discussed. Ⅱ. 完成句子 1. (2025·浙江1月高考)这对夫妻都去上班了, 所以那里有人显得很奇怪。 The couple had both gone to work, so ____________________________________. 2. (2024·新高考Ⅰ卷)我写信是想和你分享上周五在花园里的美术课。在那里发生的事确实开阔了我的视野。 I’m writing to share with you the art class in the garden last Friday. __________________ truly broadened my horizons. 3. (2024·浙江1月高考)任何想报名的人都填写申请表, 并在本周五之前与我们联系。 ___________________________fills in the application form and contacts us by this Friday. 4. (2022·全国甲卷)我坚信只有通过共同努力保护海洋, 我们才有美好的未来。(it作形式主语) ____________________________________ only with joined efforts to protect oceans can we have a bright future. Unit 5　Working the Land 主语从句(Subject clauses)答案 【即学活用】单句语法填空 1.What makes a good teacher is patience, knowledge and love for students. 2.Whoever wants to join the school volunteer team should sign up before Friday. 3.Whether we can finish the project on time depends on everyone’s effort. 4.That she has been admitted to her dream university makes her parents very proud. 5.How we should balance study and rest is worth discussing. 6.It is obvious that whatever difficulties we meet, we should never give up. 7.What the teacher emphasized in class is that we should review what we have learned. 8.Why he refused our invitation remains a mystery. 9.Where we will hold the English speech contest has not been decided yet. 10.Whoever breaks the traffic rules should take responsibility for his or her actions. 【即学活用】完成句子 1.学校图书馆是否应在周末开放仍在讨论中。 It is still under discussion whether the school library should be open on weekends. 2.已决定运动会将于下周五举行。 It is decided that the sports meeting will be held next Friday. 3.最打动观众的是，那个小男孩把自己的午餐分给了一只流浪狗。 What moved the audience most was that the little boy shared his lunch with a stray dog. 4.哪支队伍会赢得决赛仍然是个疑问。 It is still open to question which team will win the final match. 5.那座古寺在火灾中被毁，真是一大遗憾。 It was a great pity that the ancient temple was destroyed in the fire. 【语法要点微练】 Ⅰ. 单句语法填空 1. (2025·新高考Ⅰ卷)It’s estimated that the global demand for electricity could more than double by 2050. 2. (2025·新高考Ⅰ卷)Scientists are still trying to determine how harmful microplastics are — but what they do know has raised concerns. 3. (2024·新高考Ⅱ卷)She says it is essential that we keep control of artificial intelligence, or risk being sidelined and perhaps even worse. 4. (2023·全国甲卷)What we discovered is that it’s unwise to judge what you eat only by its appearance. 5. (2022·全国乙卷)It turns out that students favor the entertaining ways over the traditional ones when it comes to English learning. 6. Whether we should help up a fallen old person or not remains a heated topic in China. 7. Whoever makes the most beautiful kite will win a prize in the Kite Festival. 8. When he will go abroad is being discussed. Ⅱ. 完成句子 1. (2025·浙江1月高考)这对夫妻都去上班了, 所以那里有人显得很奇怪。 The couple had both gone to work, so it was strange that someone was over there. 2. (2024·新高考Ⅰ卷)我写信是想和你分享上周五在花园里的美术课。在那里发生的事确实开阔了我的视野。 I’m writing to share with you the art class in the garden last Friday. What happened there truly broadened my horizons. 3. (2024·浙江1月高考)任何想报名的人都填写申请表, 并在本周五之前与我们联系。 Whoever wants to sign up for it fills in the application form and contacts us by this Friday. 4. (2022·全国甲卷)我坚信只有通过共同努力保护海洋, 我们才有美好的未来。(it作形式主语) It is my firm belief that only with joined efforts to protect oceans can we have a bright future. ( 1 )What I hide by my language, my body utters. 我的身体会说出我用言语掩饰的话。 学科网（北京）股份有限公司 $