Unit 6 Understanding cultures Natural wonders-【考出好成绩】2025-2026学年新教材八年级上册英语课时分层提优课件PPT-【考出好成绩】2025-2026学年新教材八年级上册英语课时分层提优课件PPT（冀教版2024）

1 Unit 6　Natural wonders of the world Understanding cultures Natural wonders 2 阅读理解。 A The Longest River in China The Yangtze River,known as Changjiang in China,is the longest river in Asia and the third longest in the world.It stretches about 6,300 kilometers from west to east,flowing through 11 provinces. The river is not only a natural wonder but also a vital water source for millions of people.It feeds farmlands,provides hydroelectric power,and supports rich biodiversity.However,pollution and overfishing have caused environmental challenges in recent years. Thanks to conservation efforts,more fish species are returning,and the river's ecosystem is slowly improving."Protecting the Yangtze is our responsibility,"said environmentalist Dr.Wang. 1.How long is the Yangtze River? A.6,300 meters. B.630 kilometers. C.6,300 kilometers. D.63,000 kilometers. 2.What problem does the river face? A.Drought. B.Pollution. C.Freezing. D.Noise. 3.Who is Dr.Wang? A.A teacher. B.A farmer. C.A scientist. D.An environmentalist. ✔ ✔ ✔ B The Sahara Desert is the largest hot desert in the world.It's about 9,320,000 square kilometers in size.This is almost the size of the USA or China. The Nile runs through the Sahara Desert all year round(全年) .But there are also other rivers running through it seasonally( 季 节 性 地 ) .The geography of the desert includes huge sand dunes (沙丘)and dune fields.Some of the sand dunes are so huge that they can even be over 152 meters high.When you go on a visit in the Sahara Desert, you may feel you are in a sea of sand.But there are also other amazing landforms in different parts of the desert. It's very hot and dry in the Sahara Desert.The temperature there is usually 30℃.However, during the hottest months,the temperature can go over 50℃.Because of the high temperatures and poor conditions of the desert,only a few plants live here,just about 500 kinds.They also play a role in the number of animals.In the driest part of the desert,there are only 70 different kinds of animals. 4. We can know from Paragraph 1 that the Sahara Desert · A.is almost as big as China B.is about 932,000 square kilometers in size C.covers eleven countries in the south of Africa D.is the same as the USA in size ✔ 5. Which of the following about the Sahara Desert is NOT mentioned(提及)in the passage? A.Its size. B.Its temperatures. C.Its landforms. D.Its history. 6. Where can we most probably see this passage? A.In a geography book. B.In a storybook. C.In an animal magazine. D.In a sports newspaper. ✔ ✔ $