Unit 4 Section B 第5课时 Vocabulary in Use(2a－3c)&Project-【勤径学升】2026-2027学年八年级上册英语同步练测配套课件PPT(人教版)

该初中英语课件聚焦八年级上册Unit 4“Amazing Plants and Animals”Section B的词汇运用及动植物与人类联系主题，通过词组搭配、首字母填空等基础练习衔接已学词汇，逐步过渡到综合阅读，构建从词汇巩固到主题拓展的学习支架。 其亮点在于分层设计（基础提优与综合提优），基础部分通过单词适当形式填空、汉译英等巩固语言能力，综合阅读结合树年轮研究气候与人类活动，培养思维品质和文化意识。采用分层练透教材的方法，助力学生提升语言运用和问题分析能力，教师可通过分层练习实现精准教学。

八年级英语 上册 Unit 4　Amazing Plants and Animals Section B　How are plants and animals connected with us? 第5课时　Vocabulary in Use(2a－3c)&Project play a role (in) live up to close to nature climate change marine ecosystem limate iny isappoint ively xcept tons dance oceans mushrooms happiness up to the size of hundreds of tons of play an important role as much as D C E F A 一、根据所给的单词写出一个词组。 1．role ________________ 2．live __________ 3．nature _______________ 4．climate ______________ 5．ecosystem ________________ 二、根据首字母提示完成句子。 6．—Do you know about the c______ in the south of China? —Yes. It's usually hot and rainy. 7．The hole(洞) in her T-shirt is so t___ that we can hardly see it. 8．I'm sorry to d_________ you, Kate. I can't go to your birthday party this weekend. 9．We all like our history teacher, because her classes are very l_____ and interesting. 10．All the students in Class 7 went camping e_____ Peter yesterday because he had a cold. 三、用括号中所给单词的适当形式填空。 11．—How heavy is the stone? —It weighs two ____(ton). 12．I often watch these old people _____(dance) in the square. 13．Over two thirds of the earth's surface is covered by ______(ocean). 14．I'd like to buy some sausages, _________(mushroom), onions and cheese to make a pizza. 15．You must remember, “Money can buy many things, but it can never buy _________(happy).” 四、根据汉语意思完成句子，每空一词。 16．这个教室能容纳多达60名学生。 The classroom can hold __ __ 60 students. 17．最小的青蛙大约有一颗豌豆那么大。 The smallest frogs are about ___ ____ __ a pea. 18．据说，他们每年扔掉数百吨的垃圾。 It is said that every year they throw away ________ __ ____ __ rubbish. 19．树木在净化空气方面扮演着重要角色。 Trees ____ __ _________ ____ in keeping the air clean. 20．海洋提供的氧气多达我们所呼吸的一半。 The ocean provides __ _____ __ half of the oxygen we breathe. 五、阅读理解。 Do you know something about tree rings(年轮)? Do you know they can tell us what the weather was like, sometimes even hundreds of years ago? 1._ In fact, trees can live for hundreds and sometimes even thousands of years. A tree will grow well in a climate with lots of sunshine and rainfall. And little sunshine or rainfall will limit(限制) the growth of a tree. 2._ For example, to find out the weather of ten years ago, count the rings of a tree from the outside to the inside. If the tenth ring is far from the eleventh ring, then we're sure that it was sunny and rainy most of that year. 3._ Tree rings are important not only for studying the history of weather but also for studying the history of men. 4._ But now you can find only sand there—no trees and no people. What happened? 5．_ He found that the people had to leave because they had cut down all the trees to make fires and buildings. As all the trees had gone, the people there had to move. 根据语篇内容，从方框内所给的选项中选出能填入空白处的最佳选项，使短文语意连贯。选项中有一项为多余项。 A．A scientist studied the rings of dead trees there. B．People all over the world love planting trees. C．We can see the change of climate by studying the tree rings. D．Trees can keep a record of Earth's climate for a very long time. E．If it is near the eleventh ring, then the climate that year was bad. F．Many centuries ago, there lived a lot of people at a place in New Mexico. $