Unit1 Period 2 Learning About Language-【优学精讲】2025-2026学年高中英语选择性必修第二册教用Word(人教版)

本讲义聚焦高中英语表语从句核心语法点，以“定义—连接词分类—注意事项”为学习支架，系统梳理其在主从复合句中作表语的功能，按连接词作用（不作成分如that/whether、作成分如连接代词what/who、连接副词why/how及其他如because/as if）分类解析，构建清晰知识脉络。 该资料以教材例句、高考真题及生活场景句为实例，通过分类归纳连接词功能培养思维品质，结合语法填空与写作应用提升语言运用能力。课中教师可依托实例高效讲解，课后学生通过练习巩固语法规则，助力查漏补缺与知识内化。

Period 2　Learning About Language 表语从句 在主从复合句中充当表语的从句，叫作表语从句，常位于连系动词(be、 seem、 look、 appear、 remain等)之后，用来说明主语的性质、状态怎么样。 一、表语从句的连接词 (1)(教材P2) The other was that cholera was caused by an infection from germs in food or water. 另一种看法是食物或饮用水中的细菌感染导致霍乱。 (2)(2024·浙江卷1月)The most obvious advantage of online learning is that you can study anywhere and anytime. 在线学习最明显的优势是你可以随时随地学习。 (3)The main question is whether you want your arms inside or outside the sleeping bag.　主要的问题是你想把胳膊放在睡袋里面还是外面。 (4)This devotion and hard work is what we see reflected in his photos.　这种奉献精神和辛勤工作我们从他拍的照片中就能看出来。 (5)What defines a true leader is who can inspire and guide others effectively. 真正的领导者是能够有效激励和引导他人的人。 (6)(外研必修一U2) That is why when the stars are out, they are visible, but when the lights are out, they are invisible. 那就是星星出来时，它们可以被看到，但是当灯熄灭后，它们不能被看到的原因。 (7)What is the most extraordinary about these complex structures is how they were built without the use of wheels, metal tools or even animal power.　这些复杂的建筑最不同寻常之处在于，在没有使用机轮、金属工具甚至畜力的情况下，它们是如何建成的。 (8)He felt more confident during his presentation, which is because he had thoroughly prepared. 他在演讲时感到更加自信，这是因为他已经做好了充分准备。 (9)She looked as if she hadn't slept for days, her eyes red and puffy. 她看起来好像几天没睡觉了，眼睛又红又肿。 1．that、whether引导表语从句 that、 whether引导表语从句时在从句中不作任何成分，that无实际意义，whether意为“是否”。 if不能引导表语从句。 2．连接代词引导表语从句 常见的连接代词有what、 which、 who、 whom、 whose、 whoever、 whatever、 whichever等，这类连接词有实际意义，通常在从句中作主语、宾语、表语或定语等。 3．连接副词引导表语从句 常见的连接副词有when、 where、 why、 how等，通常在从句中作时间、地点、原因、方式状语等。 4．其他连接词引导表语从句 because、 as if/though、 as、 like等也可以引导表语从句。 二、表语从句的注意事项 (1)He studied diligently every day without taking a break; that was why he achieved top scores on his exams.　他每天勤奋学习从不间断；那就是为什么他在考试中取得了最高分。 (2)We missed the train, and it was because we got caught in the unexpected heavy rain. 我们错过了火车，那是因为我们被突如其来的暴雨耽搁了。 (3)The reason for such a serious accident was that the driver was too careless. 造成如此严重事故的原因是司机太粗心了。 (4)(2023·浙江卷1月)However, experts' suggestion is that you (should) take one day off completely each week. 然而，专家的建议是，你应该每周彻底休息一天。 1．why与because引导表语从句的区别 “This/That is/was why...”意为“这/那就是为什么……”，强调结果；“It/This/That is/was because...”意为“这/那是因为……”，强调原因。 2．reason作主语时的表语从句 reason作主语时，表语从句的连接词往往用that，不用because。 3．表语从句与虚拟语气 如果主语是advice、 suggestion、 proposal、 request、 order等名词时，表语从句的谓语动词的形式为“(should＋)动词原形”。 Ⅰ.单句语法填空 1．The good news is that we have achieved satisfactory results in the last examination. 2．I'd like to start my own business—that's what I'd do if I had the money. 3．What worries me is how I am going to get another job soon. 4．I didn't phone her, and that was why she got angry with me. 5．My proposal is that you (should)__arrange(arrange) for your assistant to deal with this matter. 6．You are only twenty years old, and you can be whoever you want to be. 7．As is wellknown to all, the Spring Festival is when the family are reunited and celebrate together. 8．The point is whether we should lend him the money or not. 9．He couldn't answer you in English.That was because he knew little English. 10．The reason why she succeeded in her career was that she worked tirelessly and never gave up. Ⅱ.语法与写作 1．我迟到的原因是我被拥挤的交通困住了。 The reason why I came late was that__I__was__caught__in__the__heavy__traffic． 2．我欣喜若狂。这是因为我已在上周日举行的演讲比赛中获得一等奖。 I am wild with joy.This is because__I__have__won__the__first__prize__in__the__speech__competition__held__last__Sunday． 3．雨下得这么大，看起来好像要持续很长时间。 It is raining so hard and it looks as__if/though__it__will__last__long． 4．我的建议是为了保护环境我们应该过低碳生活。 My suggestion is that__we__(should)__live__a__low-carbon__life to protect the environment. 5．学生们在考试中表现良好；那是因为他们刻苦学习了。 The students performed well on the exam; that__was__because__they__studied__hard． 学科网（北京）股份有限公司 $