高中英语 难句 剖析 拓展（Unit 20 NEW FRONTIERS）学案 北师大版

难句·剖析·拓展1. Some like to read fantasy stories and imagine what the word will be like in 10, 50 or even 1, 000 year’s time.有些人喜欢阅读幻想故事, 想象世界在 10、50 甚至 1, 000 后会变成什么样。剖析 这是一个主从复合句，Some like to read fantasy stories and imagine 是主句, what the word will be like 是宾语从句, 作 imagine 的宾语;in 10, 50 or even 1, 000 year’s time 是宾语从句的时间状语。2. By the year 2015, the clothing industry will have produced new types of material that will remain stainless no matter what you spill on them.到 2015，服装业将生产出新的材料，不论什么东西溅到上面，总是保持洁白。剖析 这是一个主从复合句， By the year 2015 是时间状语，the clothing industry will have produced new types of material 是主句，that will remain stainless 是定语从句;定语从句中 no matter what you spill on them 是让步状语从句。拓展 by 构成时间状语时，谓语动词有三种完成时态的形式：by+过去时间点，主语＋谓语（过去完成时态）＋宾语……by+现在时间点，主语＋谓语（现在完成时态）＋宾语……by+将来时间点，主语＋谓语（将来完成时态）＋宾语……3. By the year 2030, development in biochemistry and medical science will make it theoretically possible for us to live for at least 150 years.到 2030, 生物化学和医学的发展将能够在理论上使人类至少活到 150 岁。剖析 这是一个含有不定式的简单句，By the year 2030 是时间状语, development in biochemistry and medical science 是 主 语 ， will make 是 谓 语 ， it 是 形 式 宾 语 ，theoretically possible 是宾语补足语， for us to live for at least 150 years 是真正的宾语。拓展 当宾语太长时，常常用 it 作形式宾语，而把真正的宾语放在后面, 真正的宾语可以是名词短语、从句、不定式、动名词。注意不能用 this 或 that 作形式宾语。4. He double-checked and saw a blue mould in the dish around which the bacteria had been destroyed.他仔细检查了一下, 看到盘子里有青色的霉...