(
课件网) 英 英 语 语 Unit 3 We Are Part of Nature You’ll be able to: 1. describe the ecosystem; 2. talk about environmental protection; 3. design a flyer. Look at the picture and discuss: 1. Where are they 2. How can we live in harmony with nature 目录 Contents 01 Warming up 02 Listening & Speaking 03 Reading & Writing 04 Grammar in Use 05 More Activities 06 Around the World 07 Fun Time 08 My Progress Check 03 Reading & Writing Learn the words prairie / pre ri/ n. （北美洲的）大草原 grassland / ɡrɑ sl nd/ n. 草原 beneath /b ni θ/ prep. 在……下面 stretch /stret / n. 一片（地域或水域） snake /sne k/ n. 蛇 glide /ɡla d/ v. 滑行；滑动 rabbit / r b t/ n. 兔子 soil /s l/ n. 土壤；土地 rock /r k/ n. 石头 climate / kla m t/ n. 气候 process / pr ses/ n. 过程 living / l v / adj. 活（着）的 survive /s va v/ v. 活下来；幸存 paragraph / p r ɡrɑ f/ n. 段落 remain /r me n/v. 剩下；留存 alive / la v/ adj. 活的；仍然存在的 Learn the words exchange / ks t e nd / n. 交换 passenger / p s nd /n. 乘客；旅客 mirror / m r / n. 镜子 Which word is missing grassland 1 fix snake rabbit mirror rock 2 3 5 6 soil 4 good memory！ 03 Reading & Writing 1. Read the words and expressions. Guess what the text is about. prairie grassland lie beneath a stretch of catch sight of ecosystem process link living The text is about a prairie. 03 Reading & Writing 2. Read the text and guess where it is taken from. □ a science magazine □ a fashion magazine T I P The North American Prairie was once one of the largest grasslands on Earth. Today much of it lies beneath cities or croplands or roadways. Yet parts of the prairie are still there. Just east of the Rocky Mountains lies a stretch of short grass prairie. There you will still find prairie dogs. You’ll see short grass and big yellow sunflowers. You could see a snake glide past or a hawk circling overhead. And you might even catch sight of a rabbit. grassland, cropland, overhead 均为合成 词。合成词是由两个 或两个以上的词构成 的一个新词。合成是 英语构词法的一种。 √ 03 Reading & Writing These plants and animals are all important to this prairie ecosystem. An ecosystem can be described as the soil, rocks, plants, animals, water, climate, land, and all the processes that link these things together. All living things work together to keep a prairie ecosystem healthy. These species might not survive in a different ecosystem. But all are right at home here, getting everything they need from the prairie. 文本翻译 03 北美草原曾经是地球上最大的草原之一。如今该草原大部分已被城市、农田或道路覆盖，但部分草原依然存在。 在落基山脉的东边，有一片矮草草原。在那里你仍能找到草原犬鼠。你会看到矮草和大的黄色向日葵。你可以看到一条蛇滑行过去，或者一只老鹰在头顶盘旋。你甚至会瞥见兔子的身影。 这些动植物对这个草原生态系统非常重要。生态系统包括土壤、岩石、植物、动物、水、气候、土地以及将它们联系在一起的所有的变化过程。 所有生物共同协作以保持草原生态系统的健康。这些物种在不同的生态系统中可能无法生存 ... ...
