UNIT 5 Section Ⅰ Starting out & Understanding ideas（Word教参）-【优化指导】2024-2025学年新教材高中英语选择性必修第一册（外研版2019）

单元素养目标

文化、思维、学习能力目标

了解物种起源和植物的生长规律，培养探索自然的兴趣，理解人与自然和谐相处的重要意义；了解中外科学家对大自然的探索，体会科学探索的艰辛，学习科学家不畏艰难、大胆质疑、勇敢探究的科学精神和创新精神；积极探索自然，培养不断探究、不断创新的思维意识

语言能力目标

核心单词

seed，distant，disgrace，sample，evolve，suspect，ancestor，evolution，generate，characteristic，decline，blame，worldwide，giant，myth，legend，detect，root，link，centimetre

重点词块

answer the call，be a disgrace，be crowded with，be native to，of all time，in question，be similar to，adapt to，drive ...away，according to

单元语法

过去完成时

写作能力

写一篇观察日记

单元话题导入

[品读话题短文]

The Amazon rainforest crosses into eight countries，including Brazil and Peru，and one overseas region of France，all on the South American continent.With an area of around 6 million square kilometres，the Amazon rainforest is more than half the size of China.The Amazon River，from which the rainforest gets its name，is close to 6，400 kilometres in length① —roughly② 100 kilometres longer than the Yangtze River.On its journey from the mountains to the ocean，the river supports many different ecosystems.They give this area the richest biodiversity③ on the Earth：one in ten known species in the world can be found here.

Of the 390，000 plant species known to us，

[背记话题词块]

①in length长度是

②roughly adv.粗略地；大约

③biodiversity n．生物多样性

④be made up of 由……组成

⑤be home to 是……的家园

[分析重难句式]

The Amazon River，from which the rainforest gets its name，is close to 6，400 kilometres in length—roughly 100 kilometres longer than the Yangtze River.

分析：“介词from＋which”引导非限制性定语从句，修饰The Amazon River。

翻译：亚马孙河(亚马孙雨林即得名于比)全长近6 400千米，比长江还长约100千

more than 40，000 can be found in the Amazon ...The forest's different levels support an unbelievable variety of wildlife.At the bottom，there is a system of roots beneath the ground.Above that is the mass of leaf litter on the dark forest floor.The next level is made up of④ shorter plants with large leaves.Then there are the towering ancient hardwoods，and finally the tops of the tallest trees many metres above the ground.Each level of the forest forms its own little world，home to⑤ different kinds of living things.

(节选自译林版必修第三册Unit 1)

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