Unit 8 It’s time to protect them!-【考出好成绩】2025-2026学年七年级下册英语课时分层提优课件PPT（冀教版·新教材）

该初中英语课件围绕“自然保护”主题，涵盖核心词汇（如industry, harm）、短语（at risk, die out）及语篇阅读（蓝鲸保护），通过“句境练基础”到“语篇练综合”的分层设计搭建学习支架，帮助学生衔接基础语言知识与综合运用能力。 其亮点在于立足新课标大单元设计，以分层提优训练提升语言能力（词汇运用、语篇理解）和思维品质（如蓝鲸阅读题考查细节与推理），通过基础练习与综合语篇结合的学科特色方法，助力学生巩固基础、提升分析问题能力，也为教师提供同步教学的高效资源。

1 2 Unit 8 I love nature! 4 It’s time to protect them! 3 一层 句境练基础 二层 语篇练综合 4 Ⅰ.根据句意及汉语提示填写单词。 1.The _________ （工业） development has brought both benefits and problems. 2.Pollution can ______ （损害） the environment and wildlife. 3._______ （差不多） all the endangered animals need our protection. 4.The _____ （丧失） of wildlife habitats is a serious problem. 5.Preventing the spread of ________ （疾病） is important for wildlife conservation. industry harm Nearly loss disease 返回目录 5 Ⅱ.用方框中所给短语的适当形式填空。 for example，die out，at risk，be famous for，because of 6.The children are ________ if they play near the river. 7.Hangzhou ______________ its beautiful West Lake. 8.We can do many things to protect the environment. _____________， we can recycle paper and plastic. 9.If we don’t do something to protect the Asian elephants， they may ________ in the near future. 10.He was late for school___________ the traffic jam. at risk is famous for For example die out because of 返回目录 6 Ⅲ.阅读理解。 The blue whale is the largest animal on the earth. It can weigh up to 180， 000 kg and grow as long as 33 metres. Adult female （雌性的） blue whales are larger than adult males. The blue whale’s heart alone is the size of a small car! The blue whale lives mostly in cold and temperate （温和的） waters. It prefers deeper ocean waters. Blue whales usually live alone or in pairs， although they may go in groups to find food. Paired adult blue whales are usually a male and a female. Often， the same two whales will be seen together for a long time. The main food for them is shrimps （小虾） and they can eat a lot of shrimps 返回目录 7 at a time. Blue whales have very deep voices. The sound a blue whale makes can travel thousands of miles in deep waters. So the whales may be able to communicate with each other across oceans. However， blue whales face a serious problem. In 1930， almost 30，000 blue whales were killed. In 1960， the International Whaling Commission began to ban （禁止） the killing of blue whales. In 2000， it was found that there were fewer than 10，000 left. 返回目录 11.According to the first paragraph， which of the following is NOT true?( ) C A.We haven’t seen a larger animal than the blue whale on the earth so far. B.It is clear that blue whales are very heavy and large in size. C.Adult female blue whales are smaller than adult males. D.The blue whale’s heart is as big as a small car. 12.Why are blue whales able to communicate across oceans?( ) A A.Because their sounds can travel a long distance. B.Because they usually live alone or in pairs. C.Because they live mostly in cold and temperate waters. D.Because they can swim very far. 13.Which of the following does the passage NOT tell us about blue whales?( ) C A.Their size. B.Their food. C.Their enemy. D.Their problem. 返回目录 9 14.What is the purpose of the last paragraph?( ) B A.To let us know something different about blue whales. B.To show us how serious the problem that the blue whales face is. C.To tell us how to protect blue whales. D.To ask us to stop polluting the living environment of wild animals. 返回目录 10 11 $