Unit 2 默写练习一 Welcome to the unit，Reading（配套教参Word）-【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）

本高中英语讲义围绕“Building the future”主题，构建“词汇学习-词形巩固-短语积累-语境应用”的学习支架，系统梳理环境与能源相关重点单词（如fossil, hydroelectric）、动词派生词（如exhaust及其变形）、核心短语（如dry up, open the door to）及短语在语境中的应用。 资料通过分层设计（单词默写、词形填空、短语积累、选词应用）提升语言能力，助力学生掌握词汇变形与语境表达，同时培养学习能力，引导主动积累与策略运用。课中辅助教师系统巩固词汇，课后学生可自主检测，查漏补缺，强化主题词汇的综合运用。

Unit 2　Building the future 默写练习一　Welcome to the unit，Reading & Grammar and composition Ⅰ.默写重点单词(共25空；每空2分，满分50分) 1．graze vi.(在草地上)吃青草 vt.放牧，放牛，放羊；(在草地上)吃青草 2．titanic-sized adj.巨型的 3．scenario n．设想，方案，预测；(电影或戏剧的)剧情梗概 4．fossil n．化石 5．dioxide n．二氧化物 6．hydroelectric adj.使用水力发电的，水力产生的 7．biomass n．生物质；生物量 8．geothermal adj.地热的 9．infrastructure n．(国家或机构的)基础设施，基础建设 10．turbine n．涡轮机，汽轮机 11．grid n．系统网络，输电网，煤气输送网；网格，方格；格子，格栅，栅栏 12．optimize/optimise vt.使最优化，充分利用；优化(数据、软件等) 13．implement vt.使生效，贯彻，执行，实施 14．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→inexhaustible adj.用之不竭的，无穷无尽的 15．inevitable adj.不可避免的；总会发生的，惯常的→inevitably adv.不可避免地；意料之中 16．emit vt.发出，射出，散发→emission n．排放；排放物 17．deplete vt.耗尽，使枯竭→depletion n．损耗，耗尽 18．accelerate vi.加速，加快 vt.使加速，使加快→acceleration n．加速，加快 Ⅱ.词形变化填空(共5小题；每题3分，满分15分) 1．Some natural resources are not inexhaustible and if they are exploited excessively，they will be exhausted some day.(exhaust) 2．If we continue to destroy forests，land desertification will be an inevitable(inevitably) result. 3．Emitting less greenhouse gases is one of our goals and we are trying to meet the emission goals.(emit) 4．More efforts will be made in the years ahead to accelerate the reform and the acceleration will lead to the rapid development of economy.(accelerate) 5．It is not surprising that groundwater will be depleted and its depletion will surely affect local food production.(deplete) Ⅲ.默写核心短语(共10小题；每题2分，满分20分) 1．枯竭，耗尽；干涸dry up 2．为……提供达到目的的手段，为……创造机会open the door to 3．以……告终(或终结)wind up 4．cut through刺穿；开辟；抄近路走过 5．in turn反过来；转而；轮流，依次 6．an alternative to ……的替代方案；替代品 7．replace...with...用……代替…… 8．meet one’s demands满足某人的需求 9．up to高达，多达；胜任；直到；取决于；忙于…… 10．without doubt毫无疑问 Ⅳ.选词填空(共5小题；每题3分，满分15分) 从上面默写核心短语中选择合适的完成下列句子 1．It is not a good idea to miss meals and replace them with snacks. 2．He had to lie on the ground and raise his right and left legs in turn. 3．These communities are now turning to recycling as an alternative to landfills. 4．The boys next door cut through our yard on their way to school. 5．I can’t think of a single word for the report.It seems that my imagination has dried up. 学科网（北京）股份有限公司 $