Unit 4 Section Ⅳ Learning About Language Using Language语言技能一课过-【新课程学案】2025-2026学年高中英语选择性必修第二册配套课件PPT（人教版）

该高中英语课件涵盖词汇（阅读、重点、活用等）、核心词汇（date back to等）、经典句式及听力训练，以课前词汇默写导入，通过新知深化学习的用法感知、归纳点拨、应用融会构建知识链，形成从基础积累到综合应用的学习支架。 其亮点在于融合语言能力与学习能力培养，如通过构词规律（-y结尾形容词等）帮助学生高效记忆词汇，听力训练结合教材录音及“旅游”场景表达提升实际运用能力。检测题中的语篇综合训练（完形填空、语法填空）培养思维品质，助力学生系统掌握知识，教师可借助结构化资源提升教学效率。

Section Ⅳ 语言技能一课过 课前词汇默写 新知深化学习 听力发掘训练 课时跟踪检测 Contents 目录 01 02 03 04 2 01 课前词汇默写 一、阅读单词——知其义 1．a slate quarry　　　　　　　 板岩_______ 2．chance it anyhow _________要冒险一下 3．alongside the coast _____海岸线 4．shores of Lake Ontario 安大略湖____ 5．skyscrapers of glass and steel 玻璃和_____建造的摩天大楼 6．arrive home at dusk _____到家 7．speak English with an accent 说英语带有_____ 采石场 无论如何 沿着 畔 钢铁 傍晚 口音 8．a piece of toast 一块_________ 9．a path paved with cobblestones 一条铺着_______的小路 10．a coherent account ___________描述 二、重点单词——写其形 1．___________ on a course　　注册学习一门课程 2．understand _______ 理解习语 3．_________ advice 相反的建议 烤面包片 鹅卵石 条理清楚的 enrol/enroll idioms contrary proceed proceed owe owe 三、活用单词——悉其变 astonish astonishing astonished astonishment misty mist advertisement advertise photographer photograph 四、拓展构词——明其规(依据规律串记单词) 1．misty：­y结尾的形容词　 ①stormy　 有暴风雨的　 ②rainy　下雨的 ③windy 有风的 ④sunny 阳光充足的 2．advertisement：­ment结尾的名词　 ①arrangement　　　 　 　 安排；排列 ②accomplishment 成就；成功的事情 ③achievement 成就 ④adjustment 调整；调节 五、高级词块——通其用 1．___________　　　　　　 追溯到……；始于…… 2．__________ 相反的；相对立的 3．______________ 进而做(参加) 4．______________ 旅游；漫游 5．______________ 在远处 6．________ 驶过；流逝 date back to contrary to proceed to sth. go on a tour of in the distance roll by 7. _____________ 与……形成对照 8．___________ 靠近 9．_____________ 欠(某人情)；把……归功于某人 10．__________ 梦想 in contrast to be close to owe sth. to sb. dream of 02 新知深化学习 一、重点词汇 1．The visitors were admiring the antique dating back to the 17th century. 游客们正在欣赏这件17世纪的古物。 ★date back to (＝date from) 追溯到；始于 |用|法|感|知| ·(“传统文化”主题佳句)Chinese tea­drinking culture has a long history dating back to more than 1,000 years ago.中国饮茶文化源远流长，可以追溯到1 000多年前。 ·The cultural relic discovered lately dates from the Ming Dynasty. 最近发现的文物可以追溯到明朝时期。 ·I am very up to date on this sort of thing because I often listen to the news.我掌握了关于这类事的最新信息，因为我经常收听新闻。 归纳点拨 up to date　现代的；最新的；新式的；时髦的 out of date 过时的；陈旧的 名师点津 date from与date back to不用于被动语态和进行时态，但可用动词­ing形式作定语、补语和状语等。 |应|用|融|会| (单句语法填空/完成句子) ①_______ (date) from the Ming Dynasty, the Imperial Palace has a long history. ②Jiaozi is a kind of traditional Chinese food, which _______(date) back to approximately 1,800 years ago. Dating dates ③According to the expert, the vase has a long history __________________the early Tang Dynasty.据那个专家说，这个花瓶年代久远，可追溯到初唐时期。 ④He is always right __________in his information about this subject. 在这个学科上，他一向掌握最新的资料。 dating from/back to up to date 2．Well, contrary to what many people believe, there are a lot of vast and empty spaces in China, actually. 噢，与大多数人的想法相反，实际上中国有大片广袤的空地。 ★contrary adj.相反的；相对立的 n．相反的事实(或事情) |用|法|感|知| ·The weather was quite contrary to my expectations, and it was really freezing. 天气和我预料的完全相反，真的很冷。 ·On the contrary, disappointed by his behaviour, I told all this to my best friend. 正相反，我对他的行为感到失望，便把这一切都告诉了我最好的朋友。 ·I'll expect you on Friday unless I hear to the contrary.若无改变，我星期五等着你。 [归纳点拨] (1)be contrary to　　　　　 相反的；相对立的 (2)on the contrary 与此相反；恰恰相反 to the contrary 相反地；相对地 　　|应|用|融|会|(完成句子) ①I'll come next month, unless you write________________. 我下个月会来，除非你(提前)通知我不必来。 ②My sister's taste in dresses _____________mine. 在穿着方面，我妹妹的爱好与我的相反。 ③He is not selfish;______________, he is very noble and generous. 他并不自私，恰恰相反，他非常高尚且慷慨。 to the contrary is contrary to on the contrary 3．After Li Daiyu and her cousin arrived in Toronto, the largest and wealthiest city in Canada, they only had a few hours to kill before they had to proceed to the next leg of their trip to Montreal ... 李黛予和表妹抵达加拿大最大、最富有的城市多伦多之后，仅有几个小时的时间可以消磨，然后就得继续前往旅程的下一站蒙特利尔…… ★proceed vi.行进；继续做 |用|法|感|知| ·(“建议”类写作佳句)Select one or two of the bad habits that you honestly feel you can alter and proceed from.选择一两个你真的觉得自己可以改掉的坏习惯，就从它们开始。 ·The idea might be good and you should encourage him to proceed with it. 这个主意也许很好，你应该鼓励他继续做下去。 ·She proceeded to pack up Lily's luggage, and then put both the luggage in her vehicle.她继续收拾莉莉的行李，然后把她俩的行李放在她的车里。 [归纳点拨] proceed to (do) sth. 进而做(参加)某事 proceed with sth. 继续做(或从事、进行)某事 proceed from 由……引起；从……出发 |应|用|融|会| (单句语法填空/完成句子) ①After drinking a cup of tea, Mother proceeded _______(cook) the dinner. ②Until these conditions are met, we cannot ____________the sale.除非这些条件得到满足，否则我们无法进行这项交易。 ③Sometimes we may _____________________________but reach incorrect decisions.有时我们可能出于良好的意愿，但却做出了错误的决定。 to cook proceed with proceed from good intentions 4．Standing in the distance, they were astonished to see misty clouds rising from the great Niagara Falls, which is on the south side of the lake. 站在远处，她们看到湖南边的尼亚加拉大瀑布升腾而起的水雾，惊叹不已。 ★astonish vt.使十分惊讶；使吃惊 |用|法|感|知| ·(“情感描写”佳句)My father's reaction astonished me.I was anxious to know how he could be so calm.父亲的反应让我很惊讶，我想知道他怎么能如此镇静。 ·I was astonished at residents' creativity and teamwork spirit. 我对居民的创造力和团队合作精神感到惊讶。 ·To my great astonishment, he eventually managed to reach the destination. 令我大为惊讶的是，他最终设法到达了目的地。 |应|用|融|会| (1)单句语法填空 ①To my _______________(astonish), over a dozen of people had sent donations. ②Strange, isn't it? But that's how nature is — always leaving us ____________(astonish)． ③The ___________result made all of us_____________.(astonish) astonishment astonished astonishing astonished (2)句型转换 We were astonished that David finally reached the finishing line regardless of his poor physical conditions. ④__________________________________________ David finally reached the finishing line regardless of his poor physical conditions.(what引导的主语从句；that引导的表语从句) ⑤__________________, David finally reached the finishing line regardless of his poor physical conditions.(astonishment) What astonished us/made us astonished was that To our astonishment 5．You owe it to yourselves to stay longer. 你们应该多待几天。 ★owe vt.欠(账、债、情等) |用|法|感|知| ·(“感谢”类写作佳句)I owe it to you that I made great progress in English. 多亏了你，我在英语上取得了很大的进步。 ·(“人物介绍”主题佳句)Owing to the fact that he can do whatever he has chosen to do with great perseverance, he has made great achievements in many fields. 由于他能够坚持不懈地做他所选择做的事情，所以他在很多领域都取得了伟大成就。 ·They are now realizing just how much they owe to the kind­hearted strangers. 他们现在开始意识到那些心地善良的陌生人帮了他们多大的忙。 归纳点拨 (1)owe sb.sth.＝owe sth.to sb. 欠某人某物 owe sth.to sb. 欠(某人情)；把……归功于某人 owe it to sb. that ...把……归功于某人 (2)owing to　 　　由于；因为；幸亏 名师点津 如果owe的宾语是动词不定式或名词性从句，可使用it作形式宾语，将充当真正宾语的动词不定式或名词性从句放在后面。 |应|用|融|会| (完成句子/句型转换) ①______________________, the flight was delayed for a couple of hours. 由于天气恶劣，航班被延误了几个小时。 ②I owe my success in academic performances to his awesome proposals. →___________________________________________________________ _____________ (owe it to sb./sth.that ...) →___________________________________________________________ ______________(owe it to sb./sth.to do) Owing to the bad weather I owe it to his awesome proposals that I have succeeded in academic performances. I owe it to his awesome proposals to succeed in academic performances. 二、经典句式 1．When asked what the trip meant to him, the man said it was “an experience of a lifetime”． 当这位男士被问到这次旅行对他意味着什么时，他说这是“一次一生的经历”。 When asked what the trip meant to him为状语从句的省略形式，完整形式为When he was asked ... (1)状语从句省略的条件：①状语从句中的主语与主句主语一致或从句主语是代词it； ②状语从句谓语中含有be动词。 (2)状语从句省略的形式：省略从句中的主语和be动词。 “两层级”学通用活句式 (1)通过“句法训练”弄明句式结构(单句语法填空) ①While __________(enjoy) the meal, some talented students gave a wonderful folk dance performance, making the elderly very happy. ②If _________(accept) for the job, you'll be informed soon. enjoying accepted (2)通过“句式仿写”做到熟练运用 ③如果有必要，你应该向你的父母求助。 If (it is) necessary, you should turn to your parents. ④当冰受热时，它就会变成水。 _________________, ice will be changed into water. ⑤木材燃烧时产生很多烟。 Wood gives off much smoke____________________. When (it is) heated while (it is) burning 2．After Li Daiyu and her cousin arrived in Toronto, the largest and wealthiest city in Canada, they only had a few hours to kill ... 本句中the largest and wealthiest city in Canada在句中作同位语，对Toronto做进一步的解释和说明。同位语在句子中起解释、说明、补充信息的作用，使句子更加丰富和清晰，是写作中的亮点所在。某些抽象名词(fact, plan, view, idea, belief, opinion, possibility, thought, aim, doubt等)后可接that引导的同位语从句，对名词作解释说明。 |应|用|融|会| (翻译句子/完成句子) ①____________________________________________________ 我们学生应该把户外活动与学习结合起来。 ②We hold the firm belief _________________________________ ________________________and enjoy the beauty of it.我们坚信游客会了解更多的中国传统文化，欣赏中国传统文化之美。 We students should combine outdoor activities with learning. that visitors will know more about traditional Chinese culture ③I am Li Hua, __________________________________and I am writing to apply to be a volunteer to receive the visiting foreign students.It is a fact _______________________________________________Because I once served as a guide —______________________________________.There is no doubt_________________________________. 我是李华，一名来自育才中学的学生，我写信申请做一名志愿者，接待外国来访的学生。事实上，在与外国人打交道方面，我有丰富的经验。因为我曾担任过导游，带领国外游客参观过北京。毫无疑问，我能做一名合格的志愿者。 a student from Yucai Middle School that I have rich experience in dealing with foreigners. showing foreign tourists around Beijing that I can be a qualified volunteer 03 听力发掘训练 教材听力“再利用” 一、由听力厚积语料库 1．words fail　　　　　 　　 ___________ 2．___________ 去滑冰 3．have a continental climate _______________ 4．as hot as an oven ____________ 5．as far as the eye can see ___________________ 难以言表 go skating 属于大陆性气候 热得像火炉 目之所及；一望无际 6．in the dead centre of ___________ 7．_________ 消磨时间 8．____________ 路过；经过 9．enter the grasslands with its rolling hills___________________ 10．sound incredible ________________ 在正中央 kill time pass through 进入丘陵起伏的草原 听起来不可思议 √ 二、教材录音材料的发掘训练 1．Where are the speakers now? A．On the lake. B．On the train. C．At the cinema. √ 2．How do people in Winnipeg kill time? A．Go to the movies or restaurants. B．Go skiing or hiking. C．Both A and B. √ 3．What did Daiyu and Liu Qian do last autumn? A．They travelled to Moscow. B．They visited Canada. C．They went camping on the mountain. 三、依据教材听力完成句子 1．That's certainly _________many places. 2．In fact, __________________Edmonton, we'll be in the Prairie. 3．There are a few small towns along the way, but _____________ ___________. true of by the time we get to the land is petty empty 四、听说交际训练 请根据本课关于谈论旅游地点的表达方式，结合括号内的汉语提示完成下面对话。 A：Oh, my! You won't believe the place I visited last weekend! B：Tell me about it! A：I went to a beautiful lake.①It's about 50 kilometers northeast of the city (它在城市东北约50公里处)． B：Wow! How interesting! What was it like? A：It was amazing！②____________________________ (这个湖靠近群山)．The water is so clear that you can see the fish swimming in it.There are also some small islands across the lake. B：Are you serious？③_______________ (这不可能是真的)! It sounds like a wonderland. A：It really is! I walked along the lakeside.④_______________ ________(景色美极了)．I even saw some wild ducks flying southwards. The lake is close to the mountains It can't be true The view was fantastic B：I think it's a wonderful place.I wish I could go there someday. A：I'm sure you will have a chance to go there too.It was good meeting you.Well, I have to go.I'll catch you later. B：OK.Have a nice day! 听力素养“漫养成” |掌握规律技法| 理解英语习语 英语习语文字简洁，形象生动，有着丰富的文化内涵。适当掌握一些常见的英语习语，有助于进一步加深对听力材料的理解。如： 1．cat nap　　　　　　　　 小睡；打瞌睡 2．a piece of cake 小菜一碟 3．couch potato 懒人；电视迷 4．apple of the eye 掌上明珠 5．go bananas 发疯；发狂 6．roll up one's sleeves 卷起袖子(大干或打架) 7．on cloud nine 很高兴 8．ten to one 十有八九 9．Go Dutch AA制；各付各的账 10．break the bank 倾家荡产 [典例] Q：Why is the woman looking for her raincoat? A．It's raining heavily now. B．The radio says it is going to rain heavily. C．She can't find it. [听力原文] W：Jack, have you seen my raincoat? M：No, but I don't think it's going to rain. W：But the radio says it is going to rain cats and dogs. [分析]　听力材料中的rain cats and dogs的意思是“倾盆大雨”，如果知道这个习语的话，即可快速得出答案。故选B项。 |多积主题表达| “旅游”场景相关听力表达 1．go on vacation　　　　　　 去度假 2．travel alone 独自旅行 3．hotel reservation 宾馆预订 4．take a road trip 公路旅行 5．helpful and enjoyable 有益且令人愉快的 6．have a lot of fun 玩得非常开心 7．enjoy the beautiful scenery 欣赏美景 8．I went to Yunnan for my holidays. 我去了云南度假。 9．It was my first flight and I was a bit nervous. 这是我的第一次飞行，我有点紧张。 10．The food was good and I visited many beautiful places. 食物很好，我参观了许多美丽的地方。 11．But the weather was a little cold in the north and I didn't like it. 但是北方的天气有点冷，我不喜欢那里。 12．And on the last day we had a barbecue, which was our favourite. 并且最后一天我们吃了烧烤，这是我们最喜欢的。 13．The water is so clear and blue, and the food is delicious.水那么清澈和碧蓝，食物也很美味。 14．I arrived at the airport just in time at 1：50 pm to catch my plane which would leave ten minutes later.我在下午1点50分及时到达机场，赶上了10分钟后起飞的飞机。 04 课时跟踪检测 第Ⅰ卷　语言基础训练 (一)单词拼写(10分) (1)Diana ____________(使吃惊) her family by winning three competitions in a row. (2)___________ (相反的) to your idea, I'm in favour of the plan. (3)We couldn't see the road because of the _______(薄雾)． (4)_______ (钢铁) is a very strong metal which is made mainly from iron. (5)When we returned at _______(黄昏), the lights of the city had come on. astonished Contrary mist Steel dusk (6)He had developed a slight southern ________(口音) by the end of last year. (7)I certainly __________(欠) you an apology for not writing more often. (8)The ideas were not new.Their development had ___________(继续) steadily ever since then. (9)He crossed the street and walked _________(沿着) the Central Park. (10)It may be risky but we will chance it ________(不过；反正)． accent owe/owed proceeded alongside anyhow (二)单句语法填空(16分) (11)Miss Parrish recently placed an _____________(advertise) in the local website. (12)I owe _____to you that I have been so successful. (13)Her mother died, _________(leave) her with four younger brothers. (14)A _______(mist) rain in the morning had left behind a coolness that would stay for hours. (15)He felt ___________(astonish) as he examined the note. advertisement it leaving misty astonished (16)He introduced his plans and then proceeded ____________ (explain) them in more detail. (17)A _____________(photograph) is someone who takes photographs as a job or hobby. (18)While ____________(travel) in Europe, he found many interesting things and experienced different cultures. to explain photographer travelling (三)选词填空(16分) go on a tour of， in the distance， date back to， roll by， contrary to， be close to， owe ...to ...， dream of (19)All dressed in school uniform, the children looked quite the same______________. (20)We are going to visit our daughter and her family in Toronto and then _____________Canada. (21)He ______his good health ___plenty of exercise and a regular life. (22)As a schoolgirl, she __________becoming an artist. in the distance go on a tour of owes to dreamed of (23)_____________ the previous year, the situation is much better now. (24)Many vehicles_________, but no one offered us a ride. (25)The steamer passed by steep hills and ______________the destination. (26)The vase is said to ______________the Ming Dynasty. Contrary to rolled by was close to date back to (四)完成句子(10分) (27)Mr Smith,_______________________, is very kind to us. 我们的新英语老师史密斯先生对我们很好。 (28)We worked there for a week, ___________________________ ___________. 我们在那儿工作了一周，帮助他们为会议做准备。 (29)___________________ so many people should be absent.这么多人缺席，真意想不到。 our new English teacher helping them to prepare for the meeting It's astonishing that (30)I ________________I finished the project in time. 多亏有了你，我才得以及时完成这个项目。 (31)__________________________, he refused to answer it.当被问到这个问题时，他拒绝回答。 owe it to you that When asked the question 第Ⅱ卷　语篇综合训练 (一)完形填空 When I was 25 years old, I had a big dream in my mind and lots of things in my backpack.I wanted to travel around Africa with my _____.So I left my hometown with great confidence and _____in Cape Town on a one­way ticket, not really _____what to do next.Luckily, before my trip actually started, I met a kind, old Nigerian man.He gave me the best travel _____I had ever received: “Be like a student on your way around the world.” 2 1 3 4 It sounds _____， but it really changed my mind about travelling.He helped me realize that travel is about learning and observing different ______.“It's far too easy to go into a(n) ______country for you and believe your ways are better.But if you study, ask questions, and ______to learn from the locals, you'll have far richer experience，” he promised me. 5 6 7 8 On other trips _____I was on my tour way to Cancun, I didn't know the man so I was just a tourist.I only stayed there for a week to see the ______and places of interest and then left.The culture didn't _____me.I left the cities and towns without really ______anyone or anything.Those people and things existed in those very places to which I had _____a visit. 9 10 11 12 13 This time, I promised myself that I would be a _____student traveller.After seven months of _____travelling from Cape Town to Cairo, I returned home.Having a student­like attitude helped me learn a lot.This trip satisfied me more than any other trip ever did to me. 语篇解读：本文是一篇夹叙夹议文，讲述了作者在环游非洲的旅途中，遇到一位老人后改变了自己对旅行的看法。 14 15 √ 解析：根据上文“lots of things in my backpack”可知，作者想背着背包环游非洲。 1．A.friend　　　　　　　 B．pet C．backpack D．family √ 解析：根据上文“So I left my hometown with great confidence”可知，作者满怀信心地离开了家乡，坐着单程票来到开普敦。 2．A.continued B．stopped C．danced D．arrived √ 解析：根据上文“with great confidence”“on a one­way ticket”“not really”可知，作者靠着单程票来到开普敦，但并不确定下一步该做什么。 3．A.sure B．excited C．afraid D．concerned √ 解析：根据语境可知，他给了作者最好的旅行建议：像一个学生一样去环游世界。 4．A.knowledge B．feeling C．advice D．reason √ 解析：根据上文“Be like a student on your way around the world”可知，这听起来很简单，但这确实改变了作者对旅行的看法。 5．A.simple B．funny C．boring D．foolish √ 解析：根据上文“He helped me realize that travel is about learning and observing”可知，他帮助作者认识到旅行就是学习和观察不同的文化。下文“The culture”亦是提示。 6．A.cultures B．events C．places D．backgrounds √ 解析：根据上文“It's far too easy to go into a(n) ________country for you ...”可知，对你来说，去一个新的国家，相信你自己的旅行方式更好，这太容易做到。 7．A.special B．magic C．new D．interesting √ 解析：根据上文“if you study, ask questions”可知，如果你爱学习，善于问问题并努力向当地人请教，你会有更加丰富多彩的体验。 8．A.accept B．try C．leave D．forget √ 解析：设空处引导定语从句修饰先行词other trips, 在从句中作时间状语，故填when。 9．A.since B．where C．when D．before √ 解析：根据后文“and places of interest”可知，此处指看看风景和名胜古迹。 10．A.pictures B．sights C．shows D．mountains √ 解析：根据上文“it really changed my mind about travelling”和“I didn't know the man so I was just a tourist”可知，此处指文化并没有对作者产生影响。inspire“激发，鼓舞”；change“改变”；help“帮助”；influence“影响”。 11．A.inspire B．change C．help D．influence √ 解析：结合上文语境可知，作者离开了那些城市和小镇，却没有真正了解到任何人或任何事。 12．A.refusing B．encouraging C．knowing D．teaching √ 解析：选B　根据语境，此处是作者对过去的感慨，那些人和事就在作者曾经参观过的那些地方。pay a visit“参观”。 13．A.wanted B．paid C．organized D．broken √ 解析：根据上文“Be like a student on your way around the world”可知，作者向自己保证会成为一个真正的学生旅行者。 14．A.beautiful B．proud C．real D．wise √ 解析：根据下文“This trip satisfied me more than any other trip ever did to me.”可知，这是一次成功的旅行。 15．A.difficult B．successful C．common D．challenging (二)语法填空(15分) Going to Mount Huangshan reminds me of the popular song “The Long and Winding Road”.16._______ is so breathtaking about the experience is the out­of­this­world scenes. The rolling sea of clouds you can see once you are at the top will remind you how tiny we 17. _______ (human) are. The hot spring at the foot of the mountain is something you must try after the climb. It will 18. _______ (undoubted) help you get refreshed! The amazing thing about the spring is that the colder the temperature gets, the 19. _______ (hot) the spring is! Strange, isn't it? But that's how nature is — always leaving us 20. _______ (astonish)． What comes next is the endless series of steps. You can't help wondering how hard it 21. _______ (be) for the people then to put all those rocks into place. Though it is the only unnatural thing on your way up the mountain, still it highlights the whole adventure 22. _______offers a place where you can sit down to rest your 23. _______ (ache) legs. As the song goes, this long and winding road “will never disappear”， and it will always stick in the visitors' memory. It sure does in 24. _______ (I)．While you're in China, Mount Huangshan is 25. _______must to visit! 语篇解读：本文是一篇夹叙夹议文。文章主要介绍了中国十大名山之一，天下第一奇山——黄山的迷人景色。 16．What　考查名词性从句。分析句子成分可知，“_______ is so breathtaking about the experience”是主语从句，空处在从句中作主语，表达“……的东西或事”的意思，且位于句首，故填What。 17．humans　考查名词复数。空处在句中作we的同位语，根据空后的are可知，空处应用名词的复数形式。故填humans。 18．undoubtedly　考查副词。分析句子结构可知，空处在句中作状语，修饰动词help，所以用副词形式。故填undoubtedly。 19．hotter　考查形容词比较级。此处为“the＋比较级 ...，the＋比较级 ...”结构，意为“越……，就越……”。故填hotter。 20．astonished　考查形容词。此处为“leave＋宾语＋形容词(作宾补)”结构。空处说明的是宾语us的状态，意为“感到惊讶的”。 21．was　考查时态和主谓一致。由then以及语境可知，这里描述的是“……对当时的人们来说，把那些石头放在合适的位置是多么困难”，句子的时态应为一般过去时，且主语it为单数。 22．and　考查连词。空格后的动词offers与前面的动词highlights构成并列关系，故填and。 23．aching/achy　考查形容词。句中legs为名词，修饰它的应为形容词achy或aching. 24．mine　考查代词。根据上文中的“in the visitors' memory”可知，in________对应的是in my memory，空处指的是“在我的记忆中”，故填mine。 25．a　考查冠词。在这里must作可数名词，意为“必不可少的东西”；a must在文中指“一个必游之地”。 本课结束 更多精彩内容请登录：www.zghkt.cn [归纳点拨] (1)astonished adj.　　　　　感到惊讶的 对……感到惊讶 (2)astonishing adj. 令人惊讶的 (3)astonishment n. 惊讶；惊异 to one's astonishment 使某人惊讶的是 $