人教版高中英语必修3Unit 4“Astronomy the science of the stars”（Warming up reading）课件.pptVIP

Module III Unit 4 Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Detailed reading This text can mainly divided into two stages Why is water so important for the beginning of life? Because water allowed the earth to dissolve harmful gases into oceans and seas. 1.Who are the small clever animals with hands and feet? 2. Are they taking care of the earth well? Why? Can you fill in the blanks? Can you put the order of development of life into a time line? 1. Insects and amphibians appeared. 3. The earth became a solid ball. 5. Reptiles appeared. 7. The earth was a cloud of dust 9. Shellfish and other fish appeared. 11. Clever animals with hands and feet appeared 2. Dinosaurs appeared. 4.Small plants grew on the water. 6. Plants began to grow on dry land. 8. Water appeared on the earth 10. The universe began with a “Big Band”. 12. Mammals appeared. summary After the “big bang”, the earth was still just a cloud of _______,it _______loudly with fire and rock, which were _____ to produce the_________, water vapour and other gases. Then ________ began to appeared on the earth. Homework: 1. Finish the exercise 1and 2 on page 63 2. Read the text again and find out your difficult points. ____________ in water are considered to be the earliest lives on the earth. The O2they supplied encouraged the lives of______________. Slowly green plants grew on land, which were followed by __________like insects ________. When the plants grew into______, ______ appeared. Then _______ developed but disappeared later, which made the rise of a totally different animal,______, possible, and finally _____ spread all over the world. shell- -fish and fish amphibians forests reptiles dinosaurs mammal humans The small plants land animals * What’s the meaning of the word “Astronomy”? I. Warming up the science of stars; the scientific study of stars and planets. 2. What words will you think of when we talk about th