[课件]外研版(2019)选择性必修第一册unit 5 revealing nature reading课件(共16张ppt)内容预览-尊龙凯时人生就博

() the secret languages of plants developing ideas unit 5 look at the pictures and tick what plants can do. activity 1 now talk about what else you think plants can do and give examples. √ √ √ √ how aware are plants this is the central question behind a fascinating new book, what a plant knows by daniel chamovitz, director of the manna center for plant biosciences at tel aviv university. a plant, he argues, can see, smell and feel. it can start a defense when under attack, and warn its neighbors of trouble on the way. plants can communicate in a certain way. read the title, look at the illustration, and predict what may be talked about in the passage. activity 2-1 fill in the blanks with the correct details. from the leaves release its own, different chemicals with their roots tell if a neighboring plant is helpful, or unfriendly clicking noises to indicate drought’s coming the roots of different plants to each other share information and even food steal food from each other or spread poisons activity 2-2 read and think about the genre and the structure of the passage. the genre: exposition part 1： introduction (background and findings) part 2： main body part 3： conclusion (evaluation) please summarize the main idea of each part. part 1 (paragraph 1-2) part 2 (paragraph 3-5) part 3 (paragraph 6) new research has revealed something amazing: it appears that plants can communicate after all. plants have three ways to communicate, namely chemicals, sound and an amazing system called the “wood wide web”. scientists are learning more about the secret language of plants. read for detailed information. activity 3 . — a thing of myths and legends talking plants stories of many cultures some modern stories give advice and warnings to people communicate with animals and people what has new research revealed plants can communicate. how does the author connect part 2 they are a mark showing that the following part will explore the same topic as what has been mentioned, yet developing the topic to a deeper, further degree than all that has been written before. what is the function of “more surprisingly” and “most surprisingly of all” how does the author explain the three ways of communication by giving examples. what is the function of paragraph 6 it is a conclusion and a restatement of the passage topic. it also raises an expectation about future research of plant communication. activity 4 1. what figure of speech is being used when the plants are described as calling for help think and share. personification. 3. what is its function 2. what is personification please look for more sentences with personification in this passage. 1. talking plants have long been a thing of myths and legends. 2. many cultures have stories of talking trees that give advice as well as warnings to people. 3. this is like a warning, or a call for help: “i’m being attacked!” when another bean plant detect ... ...