Unit 2 Section Ⅰ Vocabulary（配套课件PPT）-【步步高】2025-2026学年高二英语选修第二册学习笔记（译林版·新教材）

该高中英语课件围绕“Building the future”主题，系统涵盖基础词汇、拓展词汇、阅读词汇及核心词汇突破，课堂导入从基础词汇入手，通过派生词拓展构建词汇网络，以核心词汇为支架连接高考应用，形成递进式学习脉络。 其亮点在于以语言能力培养为核心，采用“基础-拓展-核心-应用”四阶词汇体系，结合高考热点微练（如degrade一词多义辨析）和写作佳句（如读后续写情感描写“a surge of disappointment”），提升学生思维品质与学习能力。教师可依托系统资源高效教学，学生能夯实词汇基础并掌握应试技巧。

Section Ⅰ Vocabulary Building the future Unit 2 Part 1　基础词汇过关 Part 2　核心词汇突破 Part 3　高考热点微练 Part 4　基础知识达标 词汇过关 基础 3 1._______ vi.(在草地上)吃青草 vt.放牧，放牛，放羊；(在草地上)吃青草 2._________ n.(pl.scenarios)设想，方案，预测； (电影或戏剧的)剧情梗概 3.______ n.化石 4.________ n.二氧化物 5._________ n.生物质；生物量 6._________ n.涡轮机，汽轮机 Ⅰ.写重点词汇 graze scenario fossil dioxide biomass turbine 7._______ n.系统网络，输电网，煤气输送网；网格， 方格；格子，格栅，栅栏 8.__________________ vt.使最优化，充分利用；优化(数据、软件等) 9._________ vt.降低，削弱(尤指质量)；使退化，使降解； 降低……的身份，侮辱……的人格，使受屈辱 vi.退化，降解，分解 10.________ n.垃圾填埋地(或场)；垃圾填埋；填埋的垃圾 11._________ n.混合肥料，堆肥 vt.把……制成堆肥；施堆肥于 grid optimize/optimise degrade landfill compost 12._______ n. (用于制面包和糕点的)生面团 13._______ n.烤箱，烤炉 14._____ vt. & vi.用锄头锄地(或除草) n.锄头 15.__________ vt. & vi. 保护，保障，捍卫 16.________ n.吃剩的食物，残羹剩饭；遗留物，残存物 adj.剩下的，多余的 17._____ n.潮，潮汐，潮水；潮流，趋势；怒潮； 高涨的情绪 dough oven hoe safeguard leftover tide 18._______ vi.突然消失；不复存在，消亡，绝迹 19.______ vi.(尤指液体)渗，渗透 20.______ vt.(尤指在不合适的地方)丢弃，扔掉，倾倒； 丢下，抛弃 n.垃圾场，废物堆 21.________ n.气旋，旋风 22.__________ n.菠萝，凤梨 23.________ 枯竭，耗尽；干涸 vanish seep dump cyclone pineapple dry up 24._______________ 为……提供达到目的的手段， 为……创造机会 25._________ 以……告终(或终结) 26.____________ 陷入困境 open the door to wind up in hot water 1._____ vt.发出，射出，散发 →emission n.排放；排放物 2.________ v.使筋疲力尽；耗尽，用尽；详尽讨论 n.废气 →exhausted adj.筋疲力尽的，疲惫不堪的；耗尽的，枯竭的 →exhausting adj.使人筋疲力尽的 →exhaustion n.筋疲力尽，疲惫不堪；耗尽，用尽；枯竭 →inexhaustible adj.用之不竭的，无穷无尽的 Ⅱ.悟拓展词汇 emit exhaust 3._______ vt.耗尽，使枯竭 →depletion n.损耗，耗尽 4.__________ vi.加速，加快 vt.使加速，使加快 →acceleration n.加速，加快 5.___________ vt.使生效，贯彻，执行，实施 →implementation n.实施 6.___________ v.(使)分解 →decomposition n.分解 deplete accelerate implement decompose 7._______ vt.摄入，食入，咽下 →ingestion n.摄取；吸收；咽下 8._______ vt.& vi.撒，撒播；散开，四散 →scattered adj.分散的，零散的 9._______ n.庇护，避难；收容所，避难所；庇护者，慰藉 →refugee n.难民，避难者 ingest scatter refuge 1.Then coal was discovered，and soon titanic-sized earth-digging machines circled the village. Ⅲ.认阅读词汇 adj.巨型的 2.In addition to unique wildlife，this area is abundant in hydroelectric and geothermal energy. adj.使用水力发电的，水力产生的　adj.地热的 3.Renewable energy is now gradually being integrated into infrastructures，such as transport，communication and power supply systems. n.(国家或机构的)基础设施，基础建设 4.Coconut is a typical tropical fruit that can be seen on Hainan Island. adj.热带的，来自热带的，产于热带的 返 回 词汇突破 核心 14 adj.用之不竭的；无穷无尽的 (exhaust v.使筋疲力尽；耗尽，用尽；详尽讨论 n.废气 exhausted adj.筋疲力尽的，疲惫不堪的；耗尽的，枯竭的 exhausting adj.使人筋疲力尽的 exhaustion n.筋疲力尽，疲惫不堪；耗尽，用尽；枯竭) be exhausted from/by因……而疲劳 1 inexhaustible (1)We believe firmly in the (exhaust) creative power of the masses. (2)Her throat was parched，and she was exhausted all the walking. (3)They got involved in a long and fight，which made them extremely .(exhaust) inexhaustible from/by exhausting exhausted (4)(读后续写之情感描写)玛丽，既疲惫又害怕，躺在附近的一块石头上，想念远方的家人。 Mary， ，lay on a stone nearby，missing her family at a distance. 写作佳句 exhausted and scared dry out干透；使……变干 (1)The main source of income，tourism，is expected to dry ____ completely this summer because of the disaster. (2)Water the plant regularly，and never let the soil dry . 枯竭，耗尽；干涸 dry up 2 up out (3)(应用文写作之演讲稿)是我们要在河流最终干涸前通力合作改变这种情况的时候了。 It is high time that we should pull together to change the situation . 写作佳句 before the river eventually dries up a surge of anger/excitement/disappointment一阵愤怒/兴奋/失望 (1)Jennifer suddenly felt a surge relief.She raised her head and found the little cat staring into her eyes，meowing gently，as if she sensed Jennifer’s pain and came to apologize. n.奔涌向前，突然的向上运动；(强烈感情的)突发；(数量的)急剧上升，激增 vi.涌，汹涌；使强烈地感到；急剧上升，飞涨 surge 3 of (2)(读后续写之情绪描写)听到爸爸的话，爱丽丝感到一阵失望和悲伤。 Hearing what Dad said，Alice was taken hold of by _________ ____________________________________. 写作佳句 a surge of disappointment mixed with sadness 返 回 热点微练 高考 22 ____ ____ 1.While the brain begins to degrade in later life，it may never be too late to teach an old brain new tricks. 2.Never let a person use names or words to hurt or degrade you or your partner. Ⅰ.一词多义 degrade A.vt.降低，削弱(尤指质量)　B.vi.降解　C.vt.侮辱……的人格，使受辱　D.vi.退化 D C ____ ____ 3.If the fuel is exposed to air，it could degrade further and emit dangerous levels of radioactivity. 4.Certain irrigation practices degrade soil quality and reduce agricultural productivity. Ⅰ.一词多义 degrade A.vt.降低，削弱(尤指质量)　B.vi.降解　C.vt.侮辱……的人格，使受辱　D.vi.退化 B A 5.A tide of rage surged through her when she heard her parents had been framed. 6.The tide of opinion seems overwhelmingly in his favour. 7.The tide was going out，and the sand was smooth and glittering. tide A.n.潮水　B.n.潮流　C.n.高涨的情绪 ____ ____ ____ C B A 1.There is good grassland here for your cattle and horses to graze on. 2.But some materials slow and scatter light，bouncing it away from its original path. 3.Making soup is a good way of using up leftover vegetables. 4.Before you dump all of your retail stocks，there are more facts you should consider. Ⅱ.熟词生义 ____________________ ________ ___________________ ______________ vi.(在草地上)吃青草 vt.散射 adj.剩下的，多余的 v.倾销，抛售 返 回 知识达标 基础 27 1.The runners smoothly around the bend at the track meet yesterday. 2.Although this kind of mistake is (不可避免的)，we still need to be careful. 3.A study found that renewable energy sources (发出) about 50g or less of carbon dioxide per kilowatt-hour over their lifetime，compared to about 1,000g for coal. 4.China will always be a major force in (捍卫) regional and world peace. Ⅰ.单词拼写 accelerated inevitable emit safeguarding 5.With a higher temperature and more moist conditions，the process of organic matter will be accelerated. 6.If everyone lets their goats (吃青草) on the common，it will turn into a devastated wasteland with no grass left for anyone. 7.A robot has to identify the players，conditions，and possible outcomes for various (预测). 8.China is making efforts to the use of educational resources so that rural and underdeveloped areas can receive more support. decomposition graze scenarios optimize 9.The research shows that only a small portion of plastic bags could be thoroughly . 10.Come over here and help me pack up the food.I will heat it in the oven tomorrow morning. degraded leftover 1.If the new approach worked，it could provide an ____________(exhaust) supply of clean energy. 2.Once a village was surrounded by fertile fields，with farmers tending their crops and farm animals (graze) lazily below a mighty mountain. 3.We are informed that the services are implemented with the right level of (decompose). 4.It is plain to see that favorable policies have opened the door free trade. Ⅱ.单句语法填空 inexhaustible grazing decomposition to 5.What can be seen from the chart is that the (emit) of gases such as carbon dioxide should be stabilized at present levels. 6.I’d like to wind our interview by wishing you good luck. 7.She felt surge of excitement run through her when hearing the inspiring news. 8.If we continue to waste water，the river would eventually dry . 9.The company has already been hot water because the quality of its products has been degraded. 10.After he ate up the leftover food，he picked up the (scatter) toys on the floor. emission 返 回 up a up in scattered 本课结束 $