Unit 3 Period Ⅱ Learning About Language-【精彩三年】2024-2025学年高中英语选择性必修第一册课程探究与巩固PPT课件（人教版2019）

Unit 3　Fascinating Parks Period Ⅱ　Learning About Language In every walk with nature, one receives far more than he seeks. 每一次与大自然同行，一个人得到的远远多于他所寻求的。 [Build up your vocabulary] 目录 CONTENTS 自主梳理•自学扫障碍 01 核心剖析•研习固根基 02 自主梳理•自学扫障碍 01 1．_______________ n. 禁止；阻止；禁令→____________ vt.(尤指以法令)禁止；阻止 2．______________ n. 新闻记者；新闻工作者 3．__________ vi. 打喷嚏 n. 喷嚏；喷嚏声 4．__________ n. 茶壶 5．_________ vt. 用标签标明；贴标签n. 标签；标记 6．_________ n. 奶油；乳脂；护肤霜adj. 奶油色的；淡黄色的 prohibition prohibit journalist sneeze teapot label cream 7．leopard n._____ 8．___________ vi. 延伸；延续 vi.&vt.伸展；舒展 9．rewarding adj. __________________ 10．bush n. ______ 11．________ n. 肺 豹 stretch 值得做的；有益的 灌木 lung 核心剖析•研习固根基 02 1．officially or legally prohibit 正式或在法律上禁止(教材P28) prohibit vt. (to stop sth from being done or used especially by law)(尤指以法令)禁止；阻止；妨碍；使不可能 (1)prohibit (doing) sth 禁止(做)某事 prohibit sb/sth from doing sth禁止某人/某物做某事；阻止某人/某物做某事 (2)prohibition n．禁止；阻止；禁令 prohibition on/against．.. ……的禁令 The river has become noticeably cleaner since a prohibition on throwing litter into it was introduced. Let’s all act together to prohibit this kind of bad behaviour. 自从禁止向河里扔垃圾以来，河水明显变得更干净了。 让我们一起行动起来阻止这种不良行为。 【语境助记】 (1)Motor vehicles _______________________________ in the town centre at this time every day. 每天这个时候机动车辆禁止在市中心行驶。 (2)Speaking loudly in the reading room _________________． 在阅览室内禁止大声喧哗。 (3)The police prohibit___________(park)in the city centre. 警方禁止在市中心停车。 【活学活用】 are prohibited from driving is prohibited parking (4)用prohibit的适当形式填空 ①The government introduced a law _______________ tobacco advertisements on TV. ②Parking is strictly ______________ between these gates. ③Los Angeles has announced a _______________ on smoking on buses. ④The loudness of the music _____________(prohibit) serious conversation in most nightclubs.They have to go out to talk with each other. prohibiting prohibited prohibition prohibits (1)In most of the residence halls we visited, rules prohibit disorderly conduct. 我们走访过的大部分学生宿舍里明令禁止胡作非为。 (2)In order to protect our resources of ecology, measures for the protection of wild animals should be taken. First of all, it is prohibited to kill and eat wild animals. 为了保护我们的生态资源，我们应该采取保护野生动物的措施。首先，禁止捕杀和食用野生动物。 【写作佳句】 label vt. (to fix a label on sth or write information on sth)用标签标明；贴标签；(尤指不公平地)把……称为…… n．标签；标记 2．He ordered the dish labelled “Pumpkin Pie and Ice Cream”．他点了一道标着“南瓜派和冰激凌”的菜。(教材P28) label sth (with) sth 给……贴标签；把……贴在……上 label．..as．.. 把……称为……；给……贴……标签 be labelled as．..(不公平地)把……称为，把……列为 (1)We carefully ____________ each item with the contents and the date yesterday. 昨天我们仔细地把每件物品用标签标明成分和日期。 (2)He seems to be stuck with the _________ of “troublemaker”． 他好像被人贴上了“麻烦制造者”的标签。 (3)If you spend any time in prison, you will be _______________ “a criminal” for the rest of your life. 如果你在监狱里待过一段时间，你的余生都会被贴上“罪犯”的标签。 【活学活用】 labelled label labelled as (4)单句语法填空 ①The file ___________________(label)“Private”. ②She labelled the case ________ her name and address before she boarded the plane for Paris. ③The unemployed are often unfairly labelled ______ lazy or unreliable. was/is labelled with as He didn’t want to be labelled as a complainer, so he didn’t raise any objection to the extra work. 他不想被贴上爱抱怨的标签，所以他没有对额外的工作提出任何异议。 【写作佳句】 3．The Northeast Tiger and Leopard National Park was set up in Jilin and Heilongjiang, with boundary stretching all the way to the border and joining with Russia’s wildlife reserves. 东北虎豹国家公园在吉林和黑龙江设立，其范围一直延伸到边界，并与俄罗斯的野生动物保护区连接。(教材P28) stretch vi. (to spread over an area of land)延伸；延续 vi.& vt.伸展；舒展 n．(尤指长而窄的)一片地域；一片水域；伸展，舒展 (1)stretch oneself out 躺下 stretch one’s legs (久坐之后)散散步，活动活动腿脚 stretch out 躺下；伸出，伸开 stretch into/to 延伸至；绵延至 (2) a stretch of 一片；一段 have a (good) stretch (好好)舒展一下身体 (1)You should stretch at least ten minutes before each run to prevent injuries. 你应该在每次跑步前至少做10分钟的伸展运动，以防受伤。 (2)He thought about the problem as he ______________________ and let it expose to the sun. 当他舒展身体晒太阳的时候，他在想着这个问题。 (3)Nearby there is ________________ white sand beach perfect for sunbathing. 附近有一片白色沙滩，非常适合日光浴。 【活学活用】 stretched his body a stretch of (4)单句语法填空 ①The road stretched ___________ the distance as far as the eye could see. ②The manager finished the whole day’s work and stood up, ______________(stretch) his legs. ③Young children should never be left unattended near _____ stretch of water. ④The dog woke up, had_____good stretch and wandered off. into/to stretching a a My brother stretched out his arms and embraced me tightly. 我的哥哥伸出他的双臂，紧紧地拥抱了我。 【写作佳句】 句型公式： 4．This vast new park is nearly four times larger than the old wildlife park protecting Siberian tigers in Northeast China.这个庞大的新公园是保护中国东北西伯利亚虎的老野生动物园的近四倍大。(教材P28) 倍数的表达： (1)倍数＋比较级＋than (2)倍数＋as＋形容词/副词原级＋as (3)倍数＋as＋many/much＋n.＋as (4)倍数＋the size/length/height/depth/width＋of 一句多译 最近发现的行星几乎是地球的三倍大，人类有望能在上面生活。 (1)The planet discovered recently is almost _______________________the earth, and hopefully it can support human life. (as) (2)The planet discovered recently is almost _______________________the earth, and hopefully it can support human life. (than) (3)The planet discovered recently is almost________________________the earth, and hopefully it can support human life. (size) 【活学活用】 three times as large as three times larger than three times the size of The newly­broadened square is four times the size of the previous one. 新拓宽的广场是以前广场的四倍大。 【写作佳句】 [Discover useful structures] ——动词­-ing形式作主语 目录 CONTENTS 自主梳理•自学扫障碍 语法探究•研习知规律 01 02 练练悟悟•小测固新知 03 自主梳理•自学扫障碍 01 读下列教材原句并感知黑体部分的共性。 1．Even though the sun is brightly shining, telling whether it is morning or night is impossible. 2．Getting here is quite difficult, so apart from the Sami very few people have ever seen Sarek. 3．For hundreds of years, looking after reindeer was a way of life for the Sami. 4．Being in such a beautiful and wild place makes me feel blessed to be alive. 我的发现： 动词-­ing能在句子中作主语、宾语、表语、定语等。在上面的句子中，动词­-ing均作主语。 语法探究•研习知规律 02 探究点1　动词­-ing形式的基本构成 动词-­ing形式的基本构成为“动词原形＋­-ing”。 探究点 2　动词­ing形式作主语的基本用法 1．动词-­ing形式作主语时，多表示经常性、习惯性的动作，通常置于句首。单个动词­-ing(短语)作主语时，谓语动词用单数。 Obeying the rules of the school is very important to all of us. 遵守学校的规定对我们大家都很重要。 Saying is one thing, and doing is another. 说是一回事，而做是另一回事。 Having a walk every day helps to make one keep healthy. 每天散步有助于一个人保持健康。 Climbing mountains is really difficult for the old. 对于老年人来说爬山非常困难。 Being fit helps you stay focused on your lessons. 保持健康有助于你集中精力学习。 2．动词­-ing形式作主语表示事物化、抽象化的概念。 Travelling a lot is a good way to help people become knowledgeable. 经常旅行是帮助人们变得学识渊博的一个好方法。 Trying without success is better than not trying at all. 尝试了而没有成功也比完全不尝试要好。 Listening to soft music, as well as taking exercise, helps in relieving people’s sad emotions. 听轻音乐和做运动有助于缓解人们的悲伤情绪。 Being appreciated by others is something that always makes people happy. (被动式) 被别人欣赏总是让人快乐。 Being defeated is often a temporary condition. Giving up is what makes it permanent. (被动式) 被打败往往是一种暂时的状态。放弃就使得它成为永恒。 3．当句型“There is no．..”表示“不允许、禁止某种行为的发生或存在”时，需用动词­-ing形式作主语。 There is no joking about such matters. 这种事开不得玩笑。 There is no stopping the fire. 没有办法扑灭这场火。 There is no knowing what he will do. 谁也不知道他会做什么。 He is nice, and there is no denying it. 他很好，这是不可否认的。 探究点3　动名词的复合结构 动名词的复合结构指的是“名词所有格或形容词性物主代词＋动名词”的形式。 (1)动名词的复合结构在句中可作主语或宾语。 My sister’s being ill made us worried. 我姐姐的病让我们都很担心。 Jerry’s not arriving on time made the people present angry. 杰里未能按时到达令在场的人很生气。 Their coming to help was a great encouragement to us. 他们来帮忙对我们来说是一个很大的鼓励。 Before each class, the sound of the books’ being opened can be heard clearly. 每节课前，都能清晰地听到书被翻开的声音。 (2) 动名词复合结构的否定形式 His not coming made everyone present very disappointed. 他没来使在场的每个人都很失望。 Not being punctual makes him unreliable. 不准时使人觉得他不可靠。 Not knowing how to use a computer makes it more difficult for him to do his academic research. 不知道如何使用电脑使他更难进行学术研究。 探究点4　 it作形式主语的情况 it 作形式主语，真正的主语是后面的动名词(短语)，主要用于下列句型中： It＋be＋no use/useless doing．.. 做……无用。 It＋be＋a waste of time/energy/money doing．.. 做……浪费时间/精力/金钱。It＋be＋worth/worthwhile doing．.. 做……是值得的。 It＋be＋no good/pleasure/fun doing．.. 做……无好处/无乐趣。 It is no use crying when you have made a mistake. 当你犯了错误时哭泣是没有用的。 It is no good making friends with those addicted to video games. 和那些沉迷于电子游戏的人交朋友没好处。 It is a waste of time arguing with him about the matter. 同他争辩这件事是浪费时间。 It is no pleasure reciting such a long article. 背诵这么长的一篇文章真无趣。 探究点5　动词-­ing形式作主语与不定式作主语的区别 动词-­ing形式和不定式都可以作主语。动词­ing形式作主语表示比较抽象的一般行为，不定式作主语往往表示具体的或一次性的动作。 To look after children is her job today. 她今天的工作是看孩子。 Looking after children is her work. 她的工作是照顾孩子。 Singing is my hobby, and to sing at my friend’s birthday party is my dream. 唱歌是我的爱好，在我朋友的生日宴会上唱歌是我的梦想。 练练悟悟•小测固新知 03 Ⅰ.单句语法填空 1. __________(take) exercise every morning has become my habit. 2. _________(go) from junior high school to senior high school is a really big challenge. 3. ____________(ignore) the difference between the two research findings will be one of the worst mistakes you make. 4. It’s no pleasure ___________(look) through these any longer because nature is one thing that really must be experienced. 5. There is no ___________(tell) how many miles you will have to run while chasing a dream. Taking Going Ignoring looking telling Ⅰ.单句语法填空 6. _______________________(misunderstand) by others when you do nothing wrong at all is quite a bad experience. 7. __________________(equip) with global vision and the spirit of innovation is crucial to China’s young generation. 8. In Hangzhou, borrowing books from the library ______(be) now as simple and convenient as shopping online: click, pay and wait for delivery. 9. ________________(not; arrive) on time can be impolite to those waiting for you. 10. It is no use ___________(tell) him the witty words, because he never smiles. Being misunderstood Being equipped is Not arriving telling Ⅱ.动词-­ing 形式作主语与写作 1．总的来说，沿着古老的丝绸之路旅行是一次有趣且有意义的经历。(travel) Generally speaking，____________________ the old Silk Road is an interesting and rewarding experience. 2．在这么多观众面前作演讲对我来说是一个巨大的挑战。 _______________________________ such a great number of audience is a great challenge for me. travelling along Giving a speech in front of Ⅱ.动词-­ing 形式作主语与写作 3．参加这个志愿活动不仅丰富了我们的校园生活，而且增长了我们的知识。(take part in) __________________this voluntary activity not only enriches our campus life but also increases our knowledge. 4．在我看来，了解中国传统文化有助于提高我们的文化自信和民族自豪感。 In my opinion，________________ traditional Chinese culture contributes to __________________________________ and national pride. Taking part in learning about improving our cultural confidence Ⅱ.动词-­ing 形式作主语与写作 5．总之，和你的同学相处融洽被认为是一件重要的事情。 In a word，_________________________________________ is considered an important thing. getting along well with your classmates Ⅲ.语篇训练 Yellowstone National Park is the oldest, and probably the best­known national park in the United States. It is aimed at 1．___________(protect) wild animals and natural resources. 2．____________ (cover) an area of 898，317 hectares, most part of the park lies in Wyoming. After all these years, the world’s very first national park is still one of the most amazing national parks, 3．_____________ (combine) land and water, forest and field, wildlife and geothermal features. Besides, it is also one of the largest craters(火山口) in the world, 4．__________ (make) at least 10，000 hot springs. However, protecting Covering combining making Ⅲ.语篇训练 课后请完成高效作业12 5．____________ (swim) in some of the hot springs is quite dangerous.There are various kinds of wild animals 6．__________ (live) in the park, including two species of bears 7．_______ 67 kinds of other mammals. With more than 500 kilometres of mountain roads in the park 8．___________ (link) the scenic spots, it is convenient for visitors to explore the park. To avoid the crowds and have an in­depth exploration, it is9．_____________ (reward) to follow some guidelines and pack your patience. Anyway, 10．____________ (visit) the wild and splendid scenery is sure to be an unforgettable experience. swimming living and linking rewarding visiting 感谢聆听，再见！ $$