(
课件网) 03 Reading & Writing 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 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 sunfl owers. 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 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。但这里已是所有生物的家，它们在这片草原上可以得到所需的一切。 Reading & Writing 03 3. Read again and match the paragraphs with their main ideas. Reading & Writing Paragraph 1 Paragraph 2 Paragraph 3 Paragraph 4 A. The North American Prairie was once one of the largest grasslands on Earth, but now only parts of the prairie remain. B. An ecosystem consists of all living things, the environment and their relationships. C. A healthy ecosystem is essential for the survival of all living things. D. You can see animals and plants on the prairie. 03 4. Replace the underlined parts with the words and expressions in the box. Reading & Writing 1. As she stood up, she caught sight of herself in the mirror. _____ 2. We could see a bird flying overhead. _____ 3. A love of nature links the two poets. _____ 4. Only six of the 50 passengers survived in the accident. _____ 5. The farm lies in the small town. _____ connects stayed alive is located saw in the sky saw in the sky connects stayed alive is located 03 5. Work in pairs. Write down your understanding of an ecosystem. Reading & Writing For your reference soil rocks plants animal ... ...
