高三英语备章节组.pptVIP

* * 高三英语备课组 Unit4 Integrating skills Wildlife and garden roses Charles Darwin: 达尔文(Charles Robert 1809-1882,英国博物学家,进化论的创立者) Lead-in 1. What was Darwin famous for? He was famous for writing a book called “ on the origin of species”. 2. What is the main idea of the book? He said that all living plants and animals gradually developed. Fast reading How many parts can the passage be divided into according to the meaning of the passage? Summarize the main idea of each part. Part I -- Para 1-3: Part II--Para 4-5: Part III--Para 6: Part IV--Pa7: Darwin and his research. Mendel and his experiment. Turesson and his study the importance and significance of the research of the three. Careful reading Read the passage carefully and do the comprehension on the next page. Darwin observed that the birds with __ would eat___.A. small beaks ; hard seeds B. broad beaks；hard seedsC. hard beaks；hard seeds D. broad beaks；soft seeds 2.Darwin joined the scientific expedition on___． A.Endeavour B.Tahiti C.the Beagle D.space 3. What was the purpose of Mendel’s experiments? His purpose was based on his love nature. His purpose was to support the ideas concerning the influence of environment upon plants. His purpose was based on the influence of environment upon plants. 4. The belief of the scientists of the nineteenth century was _____ The influence of the environment led to the development of new species. The influence of the environment had no effect on new species. different varieties of species depended on different environments Genetics led to the development of new species. 5. The research by Darwin, Mendel and Turesson shows that___. A.genetics is more important than the environment to plantsB genetics is less important than the environment to plantsC. both genetics and the environment are important to plantsD. neither genetics nor the environment is important to plants Language points 1.(P1.L1) …to experiment and do what