Unit 5 Into the wild Understanding ideas The Monarch’s Journey 课件 -2023-2024学年高中英语外研版必修第一册

The Monarch’s Journey --2023.11.29 1 The text-type of the passage ? Argumentation议论文 (如 “click for a friend?” ) Exposition说明文 Narration记叙文 (如 “my first day at seinior high” ) P68 Where are you most likely to find the passage? In a scientific research paper about the monarch butterfly’s migration. In a popular nature magazine introducing the monarch butterfly. In a travel leaflet encouraging people to visit North America. The Monarch’s Journey migration what? why? para1 para2 para3 para4 para5 appearance? They are beautiful insects with fine black and orange wings. para1 para2 para3 para4 para5 Find information about monarch’s migration as much as you can. para1 para2 para3 para4 para5 Every autumn, millions of monarch butterflies travel around 4,000 kilometres south, from North America to California or Mexico, to find food, seek a partner or be in search of warmer weather. para1 para2 para3 para4 para5 7 Suppose you are a monarch butterfly. What dangers will you meet that may cause the death? A long and difficult journey A long and difficult journey How they make it? para1 para2 para3 para4 para5 “cause-effect” flow charts The monarch butterfly is able to tell 1. _____________. b. Using these two pieces of information, the monarch butterfly determines 2. ____________. the time of day the way to go c. The monarch butterfly measures 3._____________________ with its eyes. d. The monarch butterfly reaches 4. __________________________________. the position of the sun the places where it will spend the winter d a / c c / a b A long and difficult journey Who solved this mystery? para1 para2 para3 para4 para5 A long and difficult journey When did they find the solution? para1 para2 para3 para4 para5 until recently no one knew how they did this. adv. 最近 para1 para2 para3 para4 para5 Q1: Is the number of the monarch butterfly becoming more or less? Which words tell you that? Q3: How does human activity affect monarch’s number badly? Q2: The reason of its number’s falling? f. The ________________________________ where monarchs can be found is destroyed. h. The monarch butterfly’s population _______________________________________ in the last few years. g. Humans use chemicals that _____________ that monarch caterpillars eat. e. Humans _________ trees. cut down kill the plants natural environment of many places has crashed by as much as 90 per cent “cause-effect” flow chart Q:What have people done to help the monarch butterfly? para1 para2 para3 para4 para5 i. The research has led to a greater ______ of this creature. j. People work together to _______________________ k. Make sure that there are __________________________ l. There may come a time when its number_____________ awareness record its migration enough plants for it to feed on increases once again i j k l Translate翻译 the last sentence: The more we know about this lovely creature, the greater the chance it will survive and keep its place in the natural world for a long time to come. 我们对这种可爱的生物了解越多， 在未来长久的一段时间里，它们在自然界中得以生存并保持其位置的机会就越大。 the way to go to do非谓语动词做后置定语 the great efforts努力 of every single butterfly to make its species物种 renew焕新、更新 continue and survive the amazing process过程 from a caterpillar to a beautiful butterfly What does this journey mean to itself? After reading : lead （v.） 1.过去式 过去分词 2. A group of scientists led by Porfessor Eli. --lead:领导 The research has let to a greater awareness of this creature. ---lead:导致 （n.） in the lead 领先 1. at times 2. the solution to the mystery 3. the number of 4. the natural environment 9. translation(翻译)： The caterpillar feeds on the plants. Its population has crashed by as much as 90 per cent in the past few years. 帝王蝶能够识别一天的时间。它用自己的眼睛测量太阳的位置。 5. manage to 6. increase 7. once again 8. record 2023. 11.30 $