Unit4 第2课时Section A(3a-4d)-【支点·同步系列】2025-2026学年八年级下册英语（人教版·新教材）

第2课时 Sec 基础达标训练 一、用所给词的适当形式填空 1.The museum was built to protect ancient (civilize). 2.This cake is as delicious)as the one I made last week. 3.Guangzhou is one of the biggest (city)in China. 4.We saw a wonder)movie in the cinema last night.The movie was interesting 5.She will protect her family at all (cost). 二、用方框中所给词的适当形式填空 development pool mile desert waterfall 1.It's about two from my home to school. 2.With the of the society, more and more people devote(投入)their energy to charity. 3.If you go to Guizhou,don't forget to see the 4.The Sahara Desert is the largest hot in the world. 5.The ducks are swimming in the happily. …◆ 能力拓展提升 一、完形填空 自然生态—探秘世界湖泊之最 新素材世界湖泊之最)There are different lakes in the world.Here are some different ways to 1 which is the world's largest lake.Are you interested in the largest lake or 48 英语八年级RJ版 tion A(3a-4d) the lake with the 2 water?And,do you want to 3 saltwater lakes with others?In fact,there are lots of 4 between saltwater lakes and other lakes. Which lake is the world's largest one?It is not a(n)5 question.6,we can discuss it in different ways. Lake Baikal is the world's largest 7 lake with the most water.8 has about 23.6 trillion cubic meters of water,or about 20%of the earth's freshwater.This 9 is pretty large. The salty Caspian Sea is the largest salt- water lake with a(n)10 of 371,000 square kilometers.Lake Superior,11 the United States and Canada,is a freshwater lake with the largest area of 82,414 square kilometers. There are also some other 12 lakes in the world.If you want to 13 them,you can visit some websites.They 14 lots of fun facts about different kinds of lakes.I 15 you'll have a good time! 1.A.make up B.make sure C.think about D.think of 2.A.best B.least C.most D.worst 3.A.compare B.provide C.realize D.protect 4.A.importance B.differences C.problems D.messages 5.A.special B.deep C.easy D.successful 6.A.And B.Or C.So D.If 7.A.freshwater B.saltwater C.rainwater D.snow water long beach along the east coast works as the 8.A.They B.He C.We D.It airport.2 9.A.population B.number On the island there are sand hills without C.condition D.sign any plants.But there are also forests with old 10.A.color B.area C.menu D.shape trees and beautiful flowers.3 11.A.on B.during Every year visitors come to enjoy the C.between D.behind island's natural beauty.People like camping 12.A.interesting B.simple and hiking there.4 Animals were killed C.boring D.bright for food and this made them in danger. 13.A.put on B.take up Visitors threw rubbish everywhere,and the C.put away D.know about lakes were seriously polluted. 14.A.achieve B.include 5 Rules have been set up.For C.lead D.cause example,visitors are not allowed to use 15.A.cheat B.make motorboats(摩托艇)or go fishing in the C.remember D.believe lakes,and they mustn't leave any rubbish. 1-5 6-10 A.Few visitors love this island. B.Planes land and take off there. 11-15 C.The island is completely made of sand. 二、补全短文 D.Unluckily,visitors have caused many 自然生态—一弗雷泽岛 problems. In Australia there is a famous island E.Many kinds of birds and animals live in called Fraser Island.A great many visitors the forest. come here for holidays every year.Why?The F.So it's time to protect the environment of reason is that it is special.1 In fact,it is the island. the largest sand island in the world.It's about G.In fact,we should do something to 175 kilometers long and 25 kilometers wide. protect the island. Though the island is a popular place of 15 interest,there is no airport on the island.The 写作少练笔 用所学内容向同学介绍你熟悉的自然景观。（词数：50左右） 内容提示：Lushan Waterfall 下册Unit4知，为避免冲突，需友好地进行交流，以寻找到使 双方都满意的方法。 二、1.anyone2.help3.scared4.teenagers5.if 6.connected 7.to deal 8.feel 9.our 10.many 11.remember 三、1-5 FABEC Unit 4 第1课时Section A(1a-2d) 基础达标训练 -1.surface 2.below 3.unusual 4.diving 5.wonders 二、1-5 ACDBC 能力拓展提升 、 1.A【解析】根据“Qomolangma,at8,848.86 meters,is the highest mountain in the world”可知，作者是通过 陈述一个事实来开启全文的。 2.C【解析】通读第一段可知，该段主要介绍了珠穆 朗玛峰是怎样形成的。 3.B【解析】通读全文可知，文章第一段介绍了珠穆 朗玛峰的形成；第二段介绍了其增长的速度；第三 段介绍了其增长的原因；最后一段总结全文，介绍 珠穆朗玛峰并不是唯一增长的山峰，并感叹大自然 的神奇。故文章为分一总结构。 4.B【解析】通读全文可知，本文主要围绕着珠穆朗 玛峰的增长而写。 二、1-5 ACFBG 第2课时Section A(3a-4d) 基础达标训练 -,1.civilizations 2.delicious 3.cities 4.wonderful 5.costs 二、1.miles2.development3.waterfalls 4.desert 5.pool 能力拓展提升 一、 1.B【解析】此处指这儿有一些不同的方法去确定哪 个是世界上最大的湖。 2.C【解析】由前文的“the largest lake”可知，此处指 最多的水。 3.A【解析】由后文的“saltwater lakes'”和“others”可 推知，这里表示比较。 4.B【解析】根据下面的内容可知，此处表示的是咸 水湖和其他湖之间的区别。 5.C【解析】根据下文说可以从不同的方面来讨论可 知，这不是一个简单的问题。 6.C【解析】前文与后文是因果关系，因此用s0来 连接。 7.A【解析】根据下文中的“freshwater”可知，贝加尔 湖是淡水湖。 8.D【解析】这里指的是上文中提到的贝加尔湖，是 单数的事物，因此用t来指代。 9.B【解析】由上文提到的湖水的体积可知，此处指 数字。 10.B【解析】根据后文的“square kilometers'”可知， 这里表示的是面积。 11.C【解析】此处指苏必利尔湖在美国与加拿大之 间，因此用介词between来连接。 12.A【解析】句意：世界上也有一些其他有趣的湖。 13.D【解析】根据句意可知，这里表示如果你想了解 这些湖。 14.B【解析】此处指网站包括许多关于不同湖的有 趣的真相。 15.D【解析】根据句意及常理推断，这里表示的是 “我”相信你们（浏览网站时）会开心。 二、1-5 CBEDF 写作小练笔 Lushan Waterfall is a famous natural wonder in Jiangxi,China.The water falls from very high mountains,looking like a white dragon flying down. It looks very beautiful in sunlight.The sound of the rushing water is relaxing.Many visitors come to take photos here.It's a great place to enjoy nature! 单元语法讲练 单元语法精练 -,1.tallest 2.longer 3.earlier 4.the coldest 5.carefully 二、1-5 CADBC 三、1.wide2.better3.worse 4.most important 5.boring 6.bigger 7.the newest 8.cleaner 9.more colourful 10.more 第3课时Section B(1a-le) 基础达标训练 -1.conditions 2.shoulder 3.survive 4.degrees 5.above 二、1.changeable2.northern3.climbers 4.curiosity 5.teammate 三、1.is determined to2.pulled himself up 3.bit by bit 4.only if 5.to deal with 四、1-5 ABCBD 下册参考答案