Unit 4 Period 3 Grammar Focus（4a-4d）-【金牌导学案】2025-2026学年八年级下册英语课时作业课件（人教版·新教材）

该初中英语课件聚焦Unit 4“The Wonders of Nature”的形容词最高级语法点，通过撒哈拉沙漠、马里亚纳海沟等自然奇观实例导入，衔接比较级知识，搭建从比较级到最高级的学习支架，帮助学生系统掌握语法应用。 其亮点在于融合自然主题与语法教学，通过死亡谷石头移动短文的语法选择、自然景点配对阅读等任务，提升语言能力和思维品质，同时渗透文化意识。学生在真实语境中巩固语法，教师可借助多样题型高效教学，助力核心素养培养。

Period 3 Grammar Focus（4a-4d） 金牌导学案 Unit 4 The Wonders of Nature 1 一、单项选择。 ( )1. The Sahara is ________desert in the world. B A.the bigger B.the biggest C.bigger D.big ( )2. Which country has ________population in the world? D A.large B.larger C.largest D.the largest ( )3. The ________point in the ocean is in the Mariana Trench. C A.deep B.deeper C.deepest D.the deeper Period 3 Grammar Focus（4a-4d） 2 ( )4. The Great Barrier Reef is one of the ________wonders of the natural world. C A.amazing B.more amazing C.most amazing D.the most amazing ( )5. Which of the following numbers is read as “three million, forty thousand, five hundred”? A A.3,040,500 B.3,400,500 C.3,040,050 D.3,004,500 Period 3 Grammar Focus（4a-4d） 3 二、根据汉语意思完成句子。 1. 这条河有5,000公里长。 The river is ______ __________ long. 2. 这个湖是我国最深的湖。 This lake is ____ ________ lake in our country. 3. 黄河是中国第二长的河流。 The Yellow River is ____ _______ _______ river in China. 5,000 kilometres the deepest the second longest Period 3 Grammar Focus（4a-4d） 4 4. 亚马逊雨林是世界上最大的雨林之一。 The Amazon Rainforest is _____ ___ ____ _______ rainforests in the world. one of the largest 5. 这是我看过的最美的日落。 This is ____ ______ __________ sunset _____ I have ever _____. the most beauutiful that seen Period 3 Grammar Focus（4a-4d） 5 三、语法选择。 Death Valley in California is one of the hottest and driest places on Earth, . .1. . it holds a fascinating mystery. For years, stones on the flat Racetrack Playa（跑道盆地） were seen to . .2. . by themselves, leaving long tracks behind them.. .3. . of these tracks are hundreds of metres long. ( )1. A.so B.but C.because B ( )2. A.moved B.moving C.move C ( )3. A.None B.Some C.All B Period 3 Grammar Focus（4a-4d） 6 Scientists were puzzled by this phenomenon（现象） for . .4. . long time. However, in 2014, they solved the mystery. They discovered that on rare occasions when . .5. . rains, a thin layer of ice forms around the stones at night. When the ice melts under the morning sun, it breaks into large sheets（薄片）. ( )4. A.a B.an C.the A ( )5. A.a few B.few C.little C Period 3 Grammar Focus（4a-4d） Then, . .6. . winds, which can be quite strong, push these ice sheets, and the stones slide slowly . .7. . the muddy ground. This natural event doesn't happen . .8. ..It requires the perfect conditions of rain, ice, and wind. ( )6. A.gentle B.gently C.gentler A ( )7. A.across B.through C.over A ( )8. A.easy B.easier C.easily C Period 3 Grammar Focus（4a-4d） It shows us . .9. . amazing nature can be. The movement of these stones is one of . .10. . unique geological displays in the world.#3 ( )9. A.how B.what C.why A ( )10. A.the most B.more C.most A Period 3 Grammar Focus（4a-4d） 重点知识积累（汉译英） 1. 成千上万的 ____________ 2. 采取行动做某事 ____________________ 3. 尽最大的努力做某事 _______________________ thousands of take action to do sth. try one's best to do sth. Period 3 Grammar Focus（4a-4d） 10 四、配对阅读。 左栏是五位同学对旅行目的地的不同需求，右栏是自然景点的介绍。请为每位同学匹配合适的景点；右栏有两项为多余项。#1 （　　）1. Tom loves hiking and wants to see the deepest canyon in the world. （　　）2. Lily is interested in volcanoes （火山） and wants to see an active one. （　　）3. Mike wants to see the largest coral reef system in the world. （　　）4. Anna likes animals and wants to see the migration of wildebeests（牛羚）. （　　）5. David wants to see the Northern Lights in the sky. A. The Great Barrier Reef in Australia is the world's largest coral reef system. It is home to thousands of marine species. B．The Serengeti National Park in Tanzania is famous for the annual migration of over 1. 5 million wildebeests. C．The Grand Canyon in the USA is one of the deepest canyons in the world, offering breathtaking（激动人心的） views and great hiking trails. D．Mount Fuji in Japan is an active volcano and a famous symbol of natural beauty. E．The Aurora Borealis, or Northern Lights, can be seen in countries like Norway and Iceland, offering a magical light show in the sky. F．The Amazon Rainforest in South America is the largest tropical rainforest in the world. G．The Dead Sea between Israel and Jordan is known for its high salt content, allowing people to float easily. C D A B E Period 3 Grammar Focus（4a-4d） 11 重点知识积累（选词填空） 1. the _________ （migration/migrate） of animals 2. __________ （thousand/thousands） of marine spieces 3. be known ____ （for/of） its high salt content migration thousands for Period 3 Grammar Focus（4a-4d） 12 感谢聆听 13 $