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课件网) B3U1 Reading --Important sentences Revision: 1. a sea of (L1) 2. (be) alive with (L1) 3. play a significant role/part in(L2) 4. maintain the balance of (L3) 5. with an area of... (L5) 6. more than half the size of(L6) 7. in length (L8) 8. biodiversity (L10) 9.be made up of (L17) 10. be home to (L19) 大量的，大片的 充满，到处都是 在...中扮演重要角色 保持...的平衡 面积为... 超过...面积的一半 在长度上 生物多样性 由...组成 是...的家园 11. living things (L20) 12. food chain (L24) 13. feed on (L24-25) 14. in turn (L26) 15. a tiny army of (L27) 16. break down (L28) 17. breathe life into (L30) 18. be known as (L31) 19. treasure house (L32) 20. due to (L35) 21. afford to do sth. (L37) 生物 食物链 以...为食 相应地 一小群... 使分解（成） 给...带来起色 被称作，被认为是 宝库，宝地 由于，因为 承担/支付得起做某事 1. 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. (Line 7-9 ) 非限制性定语从句 be close to 接近; 靠近; 亲近; 临近 翻译：亚马孙雨林得名于亚马孙河，亚马孙河长接近6400千米，比长江还长约100千米。 分析：句中from which为“介词+关系代词”引导的_____,修饰先行词_____ 非限制性定语从句 The Amazon River 【小试牛刀】 1. He opens a door through_____ our imagination enters a new world, a world of love, beauty and heroism. (必修二U4 课文原句 ) 2. The professor, from _____ we learned a lot, retired last year. “介词+关系代词”引导的定语从句 which whom 思考：此结构中介词如何确定？ Summary:此结构中的关系代词，先行词指物时关系代词用_____,指人时则用_____. which whom “介词＋关系代词”引导非限制性定语从句 EX.: ①Do you still remember the day _____ which we met for the first time ②In the dark street, there wasn’t a single person _____ whom she could turn for help. ③The colorless gas, _____ which we can’t live, is called oxygen. 介词的确定要遵循三点原则： (1)依据与先行词搭配； (2)依据定语从句中动词或形容词的习惯搭配; (3)依据定语从句的意义来确定。 on to without 一先、二动、三意义 介词+关系代词在应用文写作中的运用 1.多亏你慷慨的帮助，没有你的帮助我就不会取得这么大的进步。(thanks to , wouldn't have done) 【感谢信】 2.所有师生都高度评价了这次活动，通过这个活动我们对中国传统文化有了更好的了解。(think /speak highly of, have a better understanding of...) 【英文报道】 Thanks to your generous help, without which I wouldn't have made such great progress. All the teachers and students think highly of the activity, through which we have a better understanding of traditional Chinese culture. 2. With an area of around million square kilometers, the Amazon rainforest is more than half the size of China. （Line 6） 倍数表达法 翻译：亚马逊的面积约为600万平方千米，比中国国土面积的一半还要大。 1）The Earth is 49 times as large as the Moon. 2) This tree is three times as tall as that one. Observe the following sentences： 倍数+as+形容词/副词原级+as.. 3)The Earth is 48 times larger than the Moon. 4) This tree is twice tall ... ...
