Unit 2 默写练习三 单元基础知识回顾（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）

本高中英语讲义以“单元基础知识回顾”为核心，系统梳理25个重点单词（含动词、名词及词形变化，如emit→emission）、10个核心短语（如an alternative to）、5个经典句式（含非限制性定语从句、倒装句等）及主题为“低碳生活”的语法填空，构建从基础词汇到综合应用的递进式学习支架。 资料特色在于主题聚焦低碳生活，渗透环保理念，助力培养文化意识中的社会责任感。经典句式分析与语法填空设计，引导学生理解句子结构，提升思维品质的分析能力。课中可辅助教师夯实基础，课后便于学生回顾知识点，有效查漏补缺。

默写练习三　单元基础知识回顾 Ⅰ.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．optimize/optimise vt.使最优化，充分利用；优化(数据、软件等) 3．implement vt.使生效，贯彻，执行，实施 4．landfill n．垃圾填埋地(或场)；垃圾填埋；填埋的垃圾 5．leftover n．吃剩的食物，残羹剩饭；遗留物，残存物 adj.剩下的，多余的 6．dough n．(用于制面包和糕点的)生面团 7．tide n．潮，潮汐，潮水；潮流，趋势；怒潮；高涨的情绪 8．vanish vi.突然消失；不复存在，消亡，绝迹 9．seep vi.(尤指液体)渗，渗透 10．dump vt.(尤指在不合适的地方)丟弃，扔掉，倾倒；丢下，抛弃 n．垃圾场，废物堆 11．inevitable adj.不可避免的；总会发生的，惯常的 12．emit vt.发出，射出，散发→emission n．排放；排放物 13．deplete vt.耗尽，使枯竭→depletion n．损耗，耗尽 14．accelerate vi.加速，加快 vt.使加速，使加快→acceleration n．加速，加快 15．decomposition n．分解→decompose v．(使)分解 16．ingest vt.摄入，食入，咽下→ingestion n．摄取；吸收；咽下 17．scatter vt.& vi.撒，撒播；散开，四散→scattered adj.分散的，零散的 18．refuge n．庇护，避难；收容所，避难所；庇护者，慰藉→refugee n．难民，避难者 Ⅱ.核心短语(共10小题；每题1分，满分10分) 1．an alternative to ……的替代方案；替代品 2．dry up枯竭，耗尽；干涸 3．in contrast与此相反；比较起来 4．account for对……做出解释；说明……的原因；导致；(比例)占…… 5．open the door to为……提供达到目的的手段，为……创造机会 6．kick off(使)开始 7．interfere with干扰，干涉；妨碍 8．give rise to使发生，引起 9．wind up以……告终(或终结) 10．in hot water陷入困境 Ⅲ.经典句式(共5小题；每题4分，满分20分) 1．事实上，一旦燃烧，它们会产生大量的二氧化碳，二氧化碳继而会吸收热量并导致全球变暖。 Actually，once burnt，they produce a large quantity of carbon dioxide，which in turn traps heat and causes global warming. 2．此外，化石燃料是不可再生的，其储量预计在未来某一天会枯竭。 Besides，fossil fuels are non-renewable，whose reserves are estimated to dry up one day in the future. 3．事实是，利用可再生能源发电具有挑战性。 The truth is that producing power from renewable energy sources can be challenging. 4．上千个岛屿散布在这片海洋上。 Scattered across this ocean are thousands of islands. 5．随着全球气温升高，海平面也在上升。 As global temperatures increase，so do sea levels. Ⅳ.语法填空(文中加黑词汇为本单元的重点词汇)(共10小题；每题2分，满分20分) The concept“Low-carbon Life” 1.has been brought(bring) into focus in the past few decades.To be honest，the natural energy resources are not inexhaustible.They will be depleted one day in the future and our future generations will be in hot water. As we all know，burning fossil fuels 2.emits(emit) a large quantity of carbon dioxide,3.which accelerates the process of global warming.Meanwhile，large amounts of coal 4.are burnt(burn) to produce electricity for our daily use.5.What is worse，billions of tonnes of single-use plastic items are dumped around the world every year，which wind up in landfills.6.Fortunately(fortunate)，people have been aware 7.of the serious effects of overusing the natural energy resources，and 8.measures(measure) are being taken to encourage people to live a low-carbon life.9.Finding(find) renewable sources is inevitable and people are called on 10.to heat(heat) their leftovers in ovens to prevent food waste.Eatable spoons have been invented by an Indian researcher. In conclusion，low-carbon life is a trend that is well worth following.Time and tide wait for no man.Let’s take action from now on. 学科网（北京）股份有限公司 $