Unit 5 Looking into nature that if whether What do you know about nature In this unit,let's look into nature exploration.How can we explore nature What are some of its unsolved secrets What is the spirit of nature exploration By the end of this unit,you will make a poster about an achievement in nature exploration. After completing the unit,you will be able to: use words and expressions in the unit to talk about nature exploration. use object clauses with that,if and whether to describe discoveries in nature exploration. describe the spirit of nature exploration 66 UNIT 5 What does the picture make you feel Starting out Look at the pictures and answer the questions. Li Shizhen Charles Darwin Wang Zhenyi 1 What do you know about these people 2 What do they have in common Look at the picture and answer the questions. Secrets of nature 1 What secrets of nature do you know 2 Which one do you want to explore more 1 Looking into nature 67 Understanding ideas Look at the title and the pictures.What is the passage about Use the word cloud to help you. unlock discovery change orove a window on the past key secrets of nature Read the passage and check your answer. caught in time 1 Imagine a dinosaur in an ancient forest.It is running around looking for its next meaith an angry cry,it opens its mouth. raises its beautiful feather-covered arms,and... 2 Wait,feathers on a dinosaur For hundreds of years,people believed that dinosaurs looked like huge lizards.Just look at all those dinosaurs in books,films and thanks to TV shows!However,thanks to a piece of amber,scientists now know that this idea is wrong. 2 In the amber from Southeast Asia,they found the tail of a dinosaur with feathers. dinosaur:n 2.feather-covered:adj. 3.lizard:n. 4.amber:n. 68 UNIT 5 5.tail:n. 6.feather:n.
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