U4 Section B 第四课时(2a-Project)-【指南针·课堂优化】2025-2026学年八年级下册英语（人教版·新教材）

撸南针·课堂优化·八年纸英语·下册 第四课时 (2a~Project) 基 础 过关 I.根据句意及首字母或汉语提示填写单词。 1.We swam in the sea and then lay on the 2.He tried his best to keep the tree a but it die in the end. 3.Brazil has a long c so it has many beaches. 4.The water of Dead Sea is so salty that swimmers can't go down （水下的). 5.Our school library is （位于) on the second floor of the main building. Ⅱ.用括号里所给单词的正确形式填空。 1.It's (risk)to cross the street without looking both ways first. 2.They live on the (south)coast near that big city. 3.The hotel has the best service,so many (travel)choose to stay there. 4.We see (nature)views in the countryside. 5.The price covers all meals, (include)breakfast and dinner. 能力提升 Ⅲ.阅读理解。 Welcome to the Amazon 林冠层 rainforest.As the largest 亚冠层 rainforest in the world,it 度瞳林下层 白地表层 plays an important role in keeping the balanced ecosystem on the Earth.With an area of around 6 million square kilometers,the Amazon rainforest is more than half the size of China. This area has a great many species(物种). Actually,one in ten known species in the world can be found here. Of the 390,000 plant species known to us, more than 40,000 can be found in the Amazon. There are different levels in the forest.At the bottom is a system of roots under the ground. Above that is leaf litter on the dark forest floor. The next level is made up of shorter plants with large leaves.Then there are the towering(高耸 ancient hardwoods,and finally the tops of the trees which are taller than any other level of trees in the forest.Each level of the forest forms its own little world,home to different kinds of living things. The Amazon rainforest is a treasure house of species that can be used for food or medicine. What's more,the Amazon rainforest breathes life into the planet by producing over 20 percent of all the Earth's oxygen (O2).So it is often known as the“lungs of the planeti”. ()l.What percentage（百分比)of the Earth's oxygen is produced by the Amazon rainforest? A.Less than 10%. B.About 15%0. C.Over 20%. D.More than 30%. ()2.[新考法·代词指代]In paragraph2, what does the underlined word“that” refer to? A.A system of roots. B.Leaf litter. C.Shorter plants. D.Ancient hardwoods. ()3.[新考法·细节理解]Why is the Amazon rainforest called the "lungs of the planet"? A.Because it is the largest forest in the world. B.Because it is home to countless species. C.Because it helps to balance the ecosystem D.Because it produces a large amount of oxygen. V.语法填空。 My hometown is on the Qinghai-Tibet Plateau (高原).The geography here is amazing..Itis famous for the world's 1 (high)mountain. 。4 Unit 4 The Wonders of Nature But this area is also full 2 the most amazing colors in nature. The color white 3 (meet)your eyes all around.The clouds are clean and soft,like our white sheep.The mountains shine 4 (bright) under the sun,like white lotus flowers. The lovely blue of the sky always gives me 5 calm feeling.It is like a great sea above the plateau,and words can't 6 (show)my love for the rivers and lakes.There are a hundred kinds of blue in the water. Our grasslands,forests and fields are all green.Green is my favorite color because 7 means hope and it is the color of life.8 green is not just the color of nature now.Trains are running through the plateau.They are this beautiful color,too. The plateau is quieter than the big cities. We have fewer 9 (shop)and restaurants. But we have the best presents from nature.In my heart,it's better than any other place.I'm glad 10 (say)that I'm from one of the most beautiful places in the world. 1. 2. 3. 5. 6. 个 8. 9 10.指南针·课堂优化·) II.1.rang 2.players 3.solve 4.coaches 5.They should talk with their children. 5.repeated V.1.small 2.Ways 3.happiness/pleasure Ⅲ.1~5 AABDC6~10 CDBAB 4.favorite 5.See a doctor N.1~5 EFBDA VI.1~4 DABC 第四课时(2a~Project) Unit 4 The Wonders of Nature I.1.negative 2.behave 3.anybody 4.physics 第一课时（1a~2d) 5.bully II.1.thankful 2.differently 3.lying 4.relaxed I.1.desert 2.levels 3.surface 4.bottom 5.Normally 5.below Ⅲ.1~4CBBB II.1.wonders 2.unusual 3.levels 4.deep V.1.to sit 2.friends 3.me 4.nothing 5.but Ⅲ.1~5 BDACB610 DBACD 6.could 7.drove 8.for 9.the 10.getting N.1~5 AEBCD 写作专项 第二课时(3a~4d) Hello everyone, I.1.development 2.Waterfall 3.miles I'm Li Hua.I'd like to talk about my problems 4.longest 5.pool and how I deal with them. II.1~5 DDCAC I'm not very tall and very common.But I don't II.1~3 BBB care and I believe in myself.Sometimes my parents 1.southern 2.covered 3.to learn 4.of don't understand what I do and say.And I have very 5.without 6.interesting 7.or 8.getting few friends.So I often encourage myself to be kind to 9.less 10.happens others and learn to communicate with others well. 第三课时（1a~1e)》 I have too much pressure in study and often have few after-class activities.So I will plan my time I.1.northern 2.climbers 3.changeable carefully and improve my study in a very good way. 4.shoulder 5.conditions When I have free time,I often do sports,or listen to II.1.dead 2.successfully 3.explorer 4.simple music.Sometimes,I go shopping with my parents or 5.survive friends.In this way,I can get better grades and enjoy Ⅲ.1~5 CBAAD6~10 BCDCB the colorful life. N.1~5 BEADC That's all.Thank you! 第四课时(2a~Project) 核心素养与综合能力 I.1.sand 2.alive 3.coast 4.underwater I.1~5 AFDCB 5.located II.1.wrote 2.poor 3.reading 4.happiness II.1.risky 2.southern 3.travelers 4.natural 5.feelings 6.harder 7.to thank 8.really 5.including 9.stories 10.their Ⅲ.1~3CAD I.1.worried 2.their 3.badly 4.felt 5.meeting I.1.highest 2.of 3.meets 4.brightly 5.a 6.tests 7.when 8.especially 9.advice 6.show 7.it 8.But 9.shops 10.to say 10.play 写作专项 I.1.In our parents'eyes. 2.They want their children to get good results in My favorite river the exams,/Good results in the exams. My favorite river is the Yangtze River.It is th 3.A true family.4.No,we can't. longest river in China and one of the most importar 75 年级英语·下册参考答案 rivers in the world. Ⅲ.1~4BBAC I like the Yangtze River for several reasons,I.1.her 2.cars 3.Suddenly 4.on Firstly,it has a rich history and culture.Along the 5.were shaking 6.to come 7.an 8.pulled river,there are many ancient cities and historical 9.if/whether 10.safety sites,which tell the story of China's long history. 第三课时（1a~1e) Secondly,the scenery along the Yangtze River is breathtaking.From the majestic Three Gorges to the I.1.worst 2.knowledge 3.soon 4.guards vast plains,every part of it shows the beauty of 5.strange nature. II.1.refused 2.Thankfully 3.thinking When I think about the Yangtze River,I feel a 4.heroes 5.Unfortunately deep sense of pride.It's not only a river,but also a II.1~5 BDBCB 6~10 ACADB symbol of our nation's spirit. N.1~5 CDEBF 核心素养与综合能力 第四课时 （2a~Project) I.1~5 CFEDB I.1.volunteer 2.terribly 3.review 4.sudden II.1.the most famous 2.in 3.meters 4.tourists 5.thunder 5.to get 6.higher 7.While 8.climbing II.1~5 CDCBC 9.clouds 10.achievement Ⅲ.1~4ACBC II.1.highest 2.difficult 3.asks 4.least 5.along I.1.to save 2.on 3.created 4.quickly 6.climbers 7.carried 8.sure 9.them 10.won't 5.worse 6.the 7.workers 8.their 9.If V.1.They are in Yancheng,Jiangsu Province. 10.will not happen/won't happen 2.No,it isn't. 写作专项 3.Because wetlands offer food and home for the animals and birds,and they also prevent flood. In recent years,there have been many disasters, 4.Yes,they do. such as floods,earthquakes,fires,sandstorms and 5.It is on February 2nd. so on. V.1.Canada 2.highest 3.weather/climate When there is a flood,we should get to high 4.National 5.riding bikes ground and make sure not to walk through the flood VI.1~5 CBABC water.If an earthquake happens,we can hide under a strong desk and stay away from a window.If a fire Unit 5 Nature's Temper happens,we can use a wet towel to cover our mouth 第一课时（1a~2d) and nose and stay low to the ground. Of course,we should take action to prevent I.1.earthquake 2.flood 3.neighbourhood future disasters,We can plant more trees and protect 4.nearly 5.trouble wild animals,We can also share some related II.1.to put 2.was waving 3.was interviewed information with others. 4.reported 5.possibly Hope we can have a better world in the future. I.1~5 BADBA 6~10BCDAC 核心素养与综合能力 N.1~5 FDBCE 第二课时（3a~4d) I.1~5 BGEAC II.1.travels 2.Sadly 3.a 4.uncertain I.1.relatives 2.truck 3.power 4.soundly 5.To tell 6.from 7.strongest 5.hid 8.Since/Because/As 9.yourself 10.protection t II.1~5 BCDDB II.1.studying 2.started 3.room 4.quickly 76