Unit 3 Conservation Topic Talk-2025-2026学年高中英语选择性必修第一册期末词汇复习（北师大版）

期末词汇复习 选修1·北师大版·nit3:ConservationTopicTalk 、重点单词详解 1:conservation 核心考点 词性：名词(n.) 核心义：n.保护；保存；节约 二、必记搭配与例句 energy conservation(能源节约)：Energy conservation is important for sustainable develop- ment. wildlife conservation(野生动物保护)：Wildlife conservation helps protect endangered species. conservation of forests(森林保护)：The conservation of forests is crucial for maintaining biodiversity. 三、重点用法 动词：conserve /kan's3:v/(vt.保存；保护；节约) 形容词：conservative /ken's3:vetrv,/（ad.保守的；传统的) 固定短语：conservation area(保护区) 2:destroy 、 核心考点 词性：动词(vt) 核心义：t.破坏；毁掉；摧毁 二、必记搭配与例句 destroy a building/city（摧毁建筑物/城市)：The earthquake destroyed hundreds of houses.. destroy relationships/hopes(破坏关系/希望)：Misunderstandings can destroy good relation- ships 重点辨析 destroy vs.damage vs..uin:destroy彻底破坏，无法修复；damage部分损坏，可修复； uin逐渐毁坏，导致失去价值。 形容词：destructive/dr'straktrv/(adj.破坏性的；毁灭性的) 名词：destruction/dr'strak n/(n.破坏；毁灭) 3:recycle 、 核心考点 词性：动词(v&vt.) 核心义：v,&t.再利用，回收利用 二、必记搭配与例句 recycle paper//plastic/glass(回收纸/塑料/玻璃)：We should recycle waste materials to protect the environment. recycle bins(▣收箱)：Put recyclable items in the recycle bins. 三、重点用法 名词：recycling/,i:'sark/(n.回收利用) 形容词：recyclable/i:'sarklebl/(adj.可回收的) 反义词：nrecyclable/,i:'sarklabl/（adj.不可回收的) 4:threat 一、 核心考点 词性：名词(n.) 核心义：n.威胁；（灾难等坏事）发生的可能 二、必记搭配与例句 pose a threat to(对…构成威肋)：Climate change poses a severe threat to global food security. face a threat(面l临威肋)：Many species face threats from habitat loss.. under threat(受到威胁)：The ancient forest is under threat from logging. 三、重点用法 动词：threaten/ret/(v.威胁；预示) 形容词：threatening/'Oretni)/(adj山.威胁性的；危险的) 5:switch 一、 核心考点 词性：动词(i.&t) 核心义：vi.&vt转换，改变 必记搭配与例句 switch on/of(打开/关闭开关)：Please switch off the lights when you leave. switch to sth.(转换到…)：We should switch from fossil fuels to renewable energy. switch between A and B(在A和B之间切换)：He switches between English and Chinese easily. 三、 重点辨析 switch vs..change vs..convert:switch侧重切换”（如设备、话题)；change泛指改变 (如状态、观点)；convert强调”转化”（如形式、用途）。 6:illegal 核心考点 词性：形容词(adj.) 核心义：adj.非法的，违法的 二、必记搭配与例句 illegal activities(非法活动)：Illegal hunting has led to a sharp decline in rhino populations illegal trade(非法贸易)：The government is cracking down on illegal wildlife trade be illegal to do sth.(做某事是非法的)：It is illegal to hunt endangered species. 三、重点用法 副词：llegally'li:gali/(adv.非法地) 名词：llegality/,li:galati/(n.非法行为；违法) 反义词：legal/i:gl/（adj.合法的) 7:extinct 一、 核心考点 词性：形容词(adj.) 核心义：ad.灭绝的，绝种的 二、必记搭配与例句 an extinct species（灭绝的物种)：Many species have become extinct due to human activities. be in danger of extinction(撷临灭绝)：The panda is no longer an extinct species,butitis still endangered. 三、重点辨析 extinct vs..endangered:extinct已经灭绝（无存活个体）；endangered濒危（面临灭绝风 险)。 名词： extinction/Ik'stkn/（n.灭绝：消亡) 动词：extinguish /Ik'strgwIf/(t.熄灭；灭绝) 8:urgent 一、 核心考点 词性：形容词(ad.) 核心义：adj.紧急的，急迫的 二、必记搭配与例句 It is urgent that..（虚拟语气，谓语用(should)do):It is urgent that we take action to protect endangered species. igent need(迫t切需求)：There is an urgent need for more medical staff in the hospital an urgent message(紧急消息)：He received an urgent message from his boss.. 三、重点用法 动词：ge3:d3(vt.催促；极力主张) 名词：urgency/3:d3nsi/(n.紧急；迫切) 副词：urgently/'3d3nti/(adv.紧急地) 9:informative 、核心考点 词性：形容词（adj.) 核心义：adj.有教育意义的；知识性强的 、 必记搭配与例句 informative article/book(知识性文章/书籍)：The documentary is both entertaining and informative be informative about sth.(关于某事提供丰富信息)：The guide was very informative about local history. 三、重点用法 动词：inform /in'fm/(vt.通知；告知) 名词：information/Infa'me虹/(n.信息) 副词：informatively /in'fo:matrvli/(adv.提供信息地) 10:incredibly 一、核心考点 词性：副词(adv.) 核心义：adv.非常地，极端地 二、 必记搭配与例句 incredibly beautiful(非常美丽)：The view from the top of the mountain is incredibly beau- tiful incredibly fast(非常快)：She spoke incredibly fast,making it hard for us to follow. 三、重点用法 形容词：incredible/m'kredabl/(adj.难以置信的；极好的) 前缀：im-(否定前缀)+credible(可信的) 二、词汇巩固练习 (一)单项选择(10题) 1.We should take measures to promote the_of natural resources. A)conserve B)conservation C)conservative D)conserving 2.The earthquake hundreds of houses in the small town A)damaged B)ruined C)destroyed D)harmed 3.It's important topaper and plastic to reduce waste. A)recycle B)reuse C)remove D)replace 4.Climate change poses a serious_to coastal cities around the world A)threat B)threaten C)threatening D)threatener 5.Please_off the lights when you leave the classroom. A)turn B)switch C)change D)convert 6.hunting has caused many wild animals to disappear. A)Legal B)Illegal C)Illegally D)Legally 7.The dinosaurs have been for millions of years. A)endangered B)extinct C)extinction D)extinguished 8.It is that we finish the project before the deadline. A)urgent B)urgency C)urged D)urgently 9.The documentary provides insights into marine life A)inform B)information C)informative D)informed 10.The new technology is_efficient in saving energy. A)incredible B)incredibly C)credibility D)credibly (二)根据提示补全句子(10题) 1.The government has set up several_(conserve)areas to protect rare animals. 2.The(destroy)caused by the flood was beyond imagination. 3.We need to improve the (recycle)system in our community. 4.The company is facing a_(threaten)from its competitors. 5.It is-(legal)to drive without a license in most countries. 6.Many species are in danger of(extinct)due to habitat loss. 7.The manager urged us(finish)the task as soon as possible 8.The book is very_(inform)and helps readers understand the issue better. 9.She spoke(incredibly)fast,making it hard for us to follow 10.The(urgent)of the situation requires immediate action. (三)首字母填空(10题) 1.We should c water by fixing leaky taps. 2.The fire d all the documents in the office. 3.Rplastic bottles can reduce environmental pollution. 4.Air pollution pa threat to people's health. 5.You can sto the English channel by pressing this button. 6.I logging has led to the disappearance of many forests. 7.The panda is no longer an e species,but it is still endangered. 8.There is an u need for more medical staff in the hospital. 9.The museum offers iguided tours every weekend. 10.The view from the top of the mountain is i beautiful. (四)答案与解析 1.单项选择答案：B C AA BBB A C B 解析1（第1题）： 考查conservation的用法。promote the conservation of natural resources表示”促进自然资 源的保护，conservation为名词形式，符合句意。 解析2（第2题）： 考查destroy的用法。destroy表示”彻底破坏，无法修复”，符合地震摧毁房屋的语境。 damage表示”部分损坏”，uin表示”逐渐毁坏”，均不如destroy准确。 解析3（第5题）： 考查switch的固定搭配。switch off表示”关闭开关，为固定短语，符合关灯的语境。 2.补全句子答案： 1.conservation 2.destruction 3.recycling 4.threat 5.illegal 6.extinction 7.to finish 8.in- formative 9.incredibly 10.urgency 3.首字母填空答案： 1.conserve 2.destroyed 3.Recycling 4.poses 5.switch 6.Illegal 7.extinct 8.urgent 9.in- formative 10.incredibly 英语词汇复习手册·选修1·Unit3:Conservation Topic Talk