Unit 4 第3课时 Grammar Focus (4a-4c)-【宝典训练】2025-2026学年八年级下册英语高效课堂（人教版·新教材）

四、l.Yellow River2.Yangtze River 3.brown and yellow earth 4.Nile 5.civilizations 第三课时 Grammar Focus(4a-4c) 就课前导学 重点单词 1.mile mileage milestone 2.pool 3.cubic cube :课堂评价 -、1.B2.B3.B4.D5.C6.A7.C 1.deepest 2.clearer 3.louder 4.farthest 5.high 三、l.the most famous waterfalls 2.eighty-five million 3.a lot saltier 4.better and better 5.six thousand and nine square kilometres 1.bigger 2.largest 3.covers 4.million 5.hotter 6.rains 7.to live 8.your 9.quickly 10.colder 第四课时 Section B (1a-2c) 〔课前导学目 重点单词 1.climber climb climbing 2.distance distant 3.condition 4.degree 5.cliff 6.death die dead 7.teammate team 8.shoulder 9.ladder 10.curiosity curious 11.ambition ambitious 12.explorer explore exploration 13.type typical 14.traveller travel 15.survive survival survivor 16.attract attraction attractive 17.northern north 18.changeable change 19.determined determine determination 20.risky risk 21.southern south 22.located locate location 23.freshwater 24.curious curiosity 25.natural nature naturally 26.successfully success successful 27.simply simple simplify 重点短语 bit by bit 〔课堂研学！ 阅读课堂 一、l.a news report 2.mountain climbing 3.Liu Lianman,Wang Fuzhou,Qu Yinhua,and Gong Bu the 1960 Chinese climbing team). 1.Temperatures can fall to-30 degrees on the mountain. 2.Because no one was able to reach the top from the northern side before 1960,so climbers called it the “Death Road'”. 3.Liu Lianman allowed teammates to step on his shoulders, and the climbers pulled themselves up to get past the Second Step. 4.A third Chinese team measured its height (8,848.86 metres)in 2020. 5.It reflects human curiosity and the desire to challenge themselves climb just because the mountain exists). 1.-30 2.changeable 3.Second Step 4.shoulders 5.first 6.ladder 7.8848.86 8.curiosity 参考答案 1.deal 2.survive 3.determined 4.pulled 5.flew 6.returned 7.measured 8.risk 9.curiosity 10.ambition 名师点拨 1.(1)The northern part (2)in the north of (3)The eastern coast of (4)The southern region of (5)The western part of 2.(1)curious about (2)is curious to (3)It is curious that (4)out of curiosity 〔课堂逆价月 -1.curiosity 2.ambition 3.attraction 4.simple 5.location 6.survival 1.risky 2.southern 3.travellers 4.natural 5.alive 6.northeastern 7.curious 8.located 1.natural 2.located 3.northeastern 4.coast 5.types 6.corals 7.attract 8.travellers 9.curious 10.ambition 第五课时Section B(3a-4c) 一读写综合能力提升 词汇导学 1.coast coastal 2.coralcoral 3.reef coral reef 4.sand sandy 5.structure structural 6.school 7.turtle 8.lifetime 句子仿写 1.If you love nature,visit the tropical rainforest! 2.Shanghai is one of the most modern cities in China. 3.Located in the centre of the city,this park is a great place for people to relax. 项月式写作闺 (一)回答问题： 1.It is one of China's most famous natural wonders. 2.It is famous for trees in strange shapes,amazing rocks,and the sea of clouds. 3.They come to enjoy the fantastic views of Mount Huangshan. 4.They can walk along the paths,take photos,or simply stand and enjoy the beauty around them. 5.It is a dream come true for people who love nature. (二)短语积累： 1.a beautiful natural wonder 2.trees in strange shapes 3.the magical sea of clouds 4.enjoy the beauty enjoy the fantastic views 5.walk along the paths 6.a dream come true realize one's dream (三)佳句应用： 1.Xi'an is famous for the ancient Terracotta Army. 2.For people who love animals,visiting the zoo to see giant pandas is a kind of happiness. 书面表达 ●谋篇布局 第一人称 一般现在时 ●实战演练 In my opinion,the most beautiful place is Qinghai Lake.Unit 4 The Wonders of Nature 第三课时 Grammar Focus(4a-4c) 课前导学 重点单词> 1.英里/mal/ →n. 英里数；里程→n. 里程碑 名词(n.) 2.池塘；水坑/pul/ 形容词 3.立方的/kju:brk/ →n. 立方体 (ad.) 课堂研学 (名师点拨) 形容词和副词的比较级和最高级 英语中的形容词和副词常用三种形式来表达事物的等级差别，分别是原级、比较级和最高级。 (一)形容词和副词比较级和最高级的变化规则 1.规则变化 (1)单音节词和部分双音节词 规则 示例 一般在词尾加-er或-est short-shorter-shortest fast-faster-fastest 以一个辅音字母结尾的重读闭音节词，双 big—bigger-—biggest 写这一辅音字母后再加-er或-est thin-thinner-thinnest 以“辅音字母+y”结尾的双音节词，把y变 easy—easier-—easiest 为i再加-er或-est funny-funnier-funniest (2)多音节词和部分双音节词 在词前加more构成比较级，在词前加most构成最高级。例如：beautiful-一more beautiful-一most beautiful 2.不规则变化 good/well better best bad/badly worse worst many/much more most little less least farther farthest far further furthest ●》67（● 英语·八年级·下册(RJ) (二)形容词和副词比较等级的句式和用法 1.原级的句式和用法 两者的同级比较用“as+形容词或副词的原形+as”(否定用“not as/,so+形容词或副词的原形+ as”）。 This ruler is as long as that one. 这把尺子和那把尺子一样长。 Jim is not as/so tall as Tom. 吉姆不如汤姆高。 2.比较级的句式和用法 句式和用法 示例 “A+谓语动词+比较级+than+B”用于 You are taller than your brother..你比你弟弟高。 两者之间的比较，表示其中一个比另 He jumped higher than you(did).他比你跳得高。 个更… He is running faster and faster. “比较级+and+比较级”表示事物本身程 他正跑得越来越快。 度的逐渐变化，意为“越来越…” The city is becoming more and more beautiful. 这个城市正变得越来越美。 The more you eat,the fatter you will be. “the+比较级…，the+比较级…”表 你吃得越多，就会越胖。 示一方的程度随着另一方的变化而变化， The busier he is,the happier he feels. 意为“越…，（就）越…” 他越忙就越感到高兴。 “Which/Who+谓语动词+比较级：Aor Which sweater is cheaper,the red one or the blue one? B”表示两个人或事物中哪一个/谁更… 哪件毛衣更便宜，红色的还是蓝色的？ “A+系动词+the+比较级+of the two Mary is the taller of the two girls. (+复数名词)”表示两者中比较…的 玛丽是两个女孩中较高的。 “比较级+than any other+单数名词”表示 The Yangtze River is longer than any other river in “比其他任何一个…都…”，用于同一 China. 范围的比较 长江比中国其他任何河流都长。 “比较级+than the other+复数名词”也表 She sings better than the other girls in the group. 示“比其他…都…”，用于同一范围的 她比小组里其他女孩唱得好。 比较 【拓展】修饰比较级的词：much,alot,far,even,still,.a little,abit等。 This book is much more interesting than that one..这本书比那本书有趣得多。 ●68● Unit 4 The Wonders of Nature 3.最高级的句式和用法 句式和用法 示例 “the+最高级+in/of..”,其中，in后常 She is the youngest in our class. 跟表示组织、团体之类的集体名词；of后的 她是我们班里年龄最小的。 名词或代词与句子的主语属于同一个概念 She is the youngest of the students. 范畴 她是学生中年龄最小的。 “Which/Who+谓语动词(+the)+最高 Which is the biggest,the sun,the moon or the earth? 级，A,BorC?”表示三个人或事物中哪一 太阳、月球和地球，哪一个最大？ 个/谁最… ‘one of the+最高级+复数名词”表示 Shanghai is one of the most beautiful cities in China. “最…的…之一” 上海是中国最美丽的城市之一。 【拓展】 最高级前一般要加the,但在以下情况可省略the: ①形容词最高级前有物主代词、指示代词、名词所有格等修饰时。 This is my best friend.这是我最好的朋友。 ②作表语的形容词最高级，不表示比较含义时。 The lake is deepest at this place..这个湖在这个地方最深。（此处强调深度，而非比较） ③副词最高级前可省略the。 He runs(the)fastest in his class.他是班里跑得最快的。 课堂评价 一、单项选择。 )1.The more you practise speaking in public,the you will become at expressing yourself. A.confident B.more confident C.most confident D.confidently )2.Andrew runs faster than me,so he always wins the race. A.many B.much C.more D.most ( )3.-Let's play a part in saving the earth! -Good idea!I believe there will be trees and pollution. A.less;more B.more;less C.fewer;more D.more;fewer )4.We think bamboo has more uses than in the world. A.any plant B.the other plant C.all the plants D.any other plant ( )5.-What do you think of the film? -Amazing.You can't find a film this year. A.most popular B.less popular C.more popular D.least popular )6.-Does Lily jump of all the students in her class? -No.Lucy can jump even A.farthest;farther B.farther;farther C.farther;farthest D.farthest;farthest ●69● 英语·八年级·下册(RJ) ( )7.This talent show is much than that one. A.interesting B.interested C.more interesting D.more interested 二、用括号内所给单词的适当形式填空。 1.I wonder where the (deep)point in the Amazon River is. 2.The villagers'hard work helps make the lake much (clear). 3.We should remember "Actions speak loud)than words"in our daily work. 4.The Nile River runs (far)in the world and is 6,671 kilometres long. 5.Although the mountain isn't as (high)as Mount Qomolangma,it still attracts many climbers 三、根据汉语意思完成句子，每空一词。 1.黄果树瀑布是世界上最著名的瀑布之一。 Huangguoshu Waterfall is one of in the world. 2.根据一份报告，到2026年，人工智能将取代全球超过8500万个工作岗位。（数字用英文表示) According to a report,AI will take the place of over jobs worldwide by2026. 3.人们可以躺在死海的表面上，因为那里的含盐量更高。 People can lie on the surface of the Dead Sea because it is 4.为了让我们的祖国发展得越来越好，我们有责任付出巨大努力。 In order to make our country develop it's our duty to make great efforts. 5.你知道芜湖占地面积约6009平方千米吗？（数字用英文表示)》 Do you know Wuhu is about in size? 四、阅读下面短文，从方框中选择适当的词并用其正确形式填空。 big you hot large quick cold live cover rain million Can you imagine a sea of sand three times 1. than India?This is the Sahara Desert,the 2 desert in the world.It 3. 11 countries in North Africa and is over 9 square kilometres.That's more than 25%of Africa. In the Sahara,temperatures are very different during the day and at night.It is much 5. during the day.The hottest time is between 2 p.m.and 4 p.m.,when the temperature rises to 38C.But it is very cold at night-the coldest time is at 4 a.m.,when temperatures fall to -4C.The Sahara is also very dry.It seldom 6. _Because of the temperatures in the desert,it is a very difficult place 7. During the day,cover 8. body,head and face.Clothes protect you from the sun and keep water in your body.You will also need a warm blanket at night.It can get cold more 9. When the temperature drops,it can be a shock and make you feel even 10. 知识掌握情况评价：优秀口 良好口 还需巩固口 ●>70《●