Unit5 Words and expression 知识点（ppt课件）-2022新人教版（2019）《高中英语》选择性必修第一册.pptx

1、Words and expressions urban/bn/adj.城市的;都市的;城镇的rural adj.农村的，乡村的；bomb/bm/n.炸弹 vt.轰炸;对投炸弹tunnel/tnl/n.地下通道;地道;隧道extension/kstenn/n.扩建部分;扩大;电话分机extension n.延伸；扩建部分；电话分机延伸；扩建部分；电话分机extend vt.&vi.延长；拓展延长；拓展 ；扩及；扩及chemical/kemkl/adj.与化学有关的;化学的n.化学制品;化学品wheat/wit/n.小麦;小麦籽 flavour(-vor)/flev(r)/n.味道;特点;特色ch

2、emical adj.与化学有关的与化学有关的;化学的化学的&n.C化学制品化学制品;化学品化学品chemistry n.化学化学 chemist n.化学家化学家;药剂师药剂师flavor/flavour n.C&U味道味道;调味料调味料;特点特点/色色这条鱼的味道很好。The fish has a wonderful flavour.fertiliser(-izer)/ftlaz(r)/n.肥料nutritional/njutrnl/adj.营养(物)的nutritious/njutrs/adj.有营养的;营养丰富的nutrition/njutrn/n.营养;滋养alleviate/liv

3、iet/vt.减轻;缓解poverty/pvti/n.贫穷;贫困organic/nk/adj.有机的;不使用化肥的;有机物的poverty n.贫穷贫穷;贫困贫困poor adj.贫穷的贫穷的;贫瘠的贫瘠的;可怜的可怜的;粗劣的粗劣的1)过着贫困的生活live in poverty 2)脱贫overcome/get rid of poverty3)他们向往一个没有贫穷和疾病的平等社会。They envision an equal society without poverty and disease.organic adj.有机的有机的;不使用化肥的不使用化肥的;器官的器官的1)有机农业 or

4、ganic agriculture pesticide/pestsad/n.杀虫剂;除害药物widespread/wadspred/adj.分布广的;普遍的;广泛的NoImagebacterium/bktrm/n.(pl.ria/-ri/)细菌in turn相应地;转而;依次;轮流相应地;转而;依次;轮流in turn轮流；依次by turns 轮流做take turns(in)doing/to do 轮到某人做某事It is ones turn to do sthdigest/dadest/dadest/vt.&vi.消化 vt.领会;领悟n.摘要;文摘essential/senl/adj.

5、完全必要的;极其重要的essential adj.完全必要的完全必要的;极其重要的极其重要的essence n.本质本质/要素；要素；精华；精华；香精香精同义词：同义词：necessary/vital/crucial/very importantA be essential to B A对B不可缺少的It is essential for sb.to do sth.对某人来说做某事是必要的It is essential that sb(should)do sth.某人做某事是必要的1)Money is not essential _ happiness.2)When we learn a la

6、nguage,it is essential for us _(write)compositions.3)It is essential that technology advance _(combine)with moral.4)对学生来说，劳逸结合是重要的。It is essential for students to have a balance between work and rest.to(should)be combinedto writemineral/mnrl/n.矿物;矿物质alternative/ltntv/n.可供选择的事物adj.可供替代的;非传统的alternate

7、 adj.间隔的，交替的，可供替代的/vt./vi.（使）轮流，（使）交替alternate A and/with Balternate between A and B使A和B交替/轮流在A和B之间交替alternately adv.交替地，轮流地alternatively adv.或者，要么alternation n.交替，轮流have no alternative but to do sth.别无选择只好做某事别无选择只好做某事an alternative to.的替代品的替代品grocery/rsri/n.食品杂货店;pl食品杂货instance/nstns/n.例子;实例;事例inst

8、ance n.例子例子;实例实例;事例事例for instance 例如;比如同义词：同义词：such as 例如例如;比如比如like prep.诸如诸如;比如像比如像take as an example 以以为例为例depth/dep/n.向下（或向里）的距离;深（度）depth n.C&U向下向下(或向里或向里)的距离的距离;深深(度度)deep adj.深的深的;纵深的纵深的deeply adv.非常非常;深深地深深地deepen v.(使使)变深变深;加深加深 adj.highwidelongstrongbroadn.heightwidthlengthstrengthbreadthv

9、.heightenwidenlengthenstrengthenbroadenat a depth of在的深度in depth全面/深入/详细地in the depths of 处于的深渊She was (处于绝望的深渊处于绝望的深渊).Water was found a depth of 30 metres underground.The expert explained the complicated question depth.in the depths of despairatinroot/rut/n.根茎;根部;根源entirely/ntali/adv.全部地;完整地;完全地aspect/spekt/n.方面;层面entirely adv.全部地全部地;完整地完整地;完全地完全地entire a dj.全部的全部的;整个的整个的;完全的完全的同义词：同义词：fully/totally/completely/thoroughly aspect n.C方面方面/层面层面in all aspects 各个方面