(
课件网) Lesson 28 The Study of Living Things Do you know him What do you know about him He’s Charles Robert Darwin. He’s a biologist. butterfly 复数：butterflies biology migrate grandchild n. female milkweed biology n. butterfly n. migrate v. fantastic adj. completely adv. grandchild n. 生物学；生物 蝴蝶 移居；迁徙 奇异的 完全地 孙子；孙女；外孙；外孙女 female n.雌性的动物或植物；女子 milkweed n. （植）马利筋 chemical n.化学物质 puzzling adj.令人费解的 Look at the pictures and think about: What’s the passage about Butterflies. Read Para. 1 and complete the sentences about Dr. Chip. Dr. Chip teaches _____ at a university in the USA. He studies one kind of _____. And _____ about the butterfly have been drawing his attention. biology North American butterfly fantastic facts Read Paras. 1-2 and complete the facts about butterflies. Fantastic facts about butterflies · Just like a migrating bird, the butterflies travels about _____ kilometres south in _____. · The butterflies always _____ to the same small piece of forest and _____ the winter there. · The butterflies that return to the south are the great-great grandchildren of the butterflies that _____ the north. · The females ____ eggs on only one plant: milkweed. 4000 return/fly spend lay fall/autumn left for Read Para. 3 and complete the worries of Dr. Taylor. Things that Dr. Taylor worries about · In Mexico, people cut down the trees that the butterflies need to ____ on. · In the United State and Canada, farmers use chemicals that ____ milkweed. rest kill Read Paras. 4-5 and answer the following questions. 1. How do Mexico protect the butterfly 2. How do the United States and Canada protect the butterfly It has begun to protect parts of its forests. They have encouraged farmers to use fewer chemicals. 3. What are the two things that scientists can’t understand 1) How do the butterflies know when to fly south 2)How do all the great-great grandchildren of the butterflies find the same forest in Mexico every year Read the mind map and retell. Fantastic facts about the butterfly have been drawing Dr. Taylor’s attention. 关于这种蝴蝶的奇异的事实已经引起了 泰勒博士的注意。 draw one’s attention意为“吸引某人的注意力”。 He tries to draw our attention to the painting. 他试图把我们的注意力吸引到这幅图上。 【拓展】 catch one’s attention 引起某人注意 pay attention to sth. 注意、留心 give one’s attention to sth. 关心 2. Here, as many as 230 million butterflies spend the winter. 多达两亿三千万只蝴蝶在这里过冬。 as … as … 意为“与……一样……”， 两个as之间可加形容词或副词的原级。 as … as … 的否定形式为not as/so … as …。 This film is as interesting as that one.这部电影和那部电影一样有趣。 He is not as tall as his brother.他不如他哥哥高。 3.The butterflies that return to the south are the great-great grandchildren of the butterflies that left for the north. 回到南方的蝴蝶是向北迁移的蝴蝶的玄孙（女）。 leave for意为“动身去；前往”。 le ... ...
