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1、Unit3 Could you please clean your room?Section B 单词讲解1e.g.Come have a snack.快来吃点点心。快来吃点点心。snack snk n.点心点心;小吃小吃;快餐快餐2e.g.Many adults are under the stress of work.很多成年人处在工作压力之下。很多成年人处在工作压力之下。stress stres n.精神压力精神压力;心理负担心理负担3 e.g.I hate waste.我讨厌浪费。我讨厌浪费。waste west n.浪费浪费;垃圾垃圾 v.浪费浪费;滥用滥用固定搭配：固定搭配：was
2、te time 浪费时间浪费时间 a waste of.浪费浪费waste water 废水废水【拓展】waste的其他词义：Pay attention that the citys waste is bad for our environment.Some students think doing something useless is a waste of time.Dont waste money on things you dont need.Please pick up the waste paper on the floor.The car was found on a piec
3、e of waste ground.废物废物白费白费浪费浪费废弃的废弃的荒芜的荒芜的4e.g.Mother provided a good dinner.母亲供应了很好的晚餐。母亲供应了很好的晚餐。provide prvad v.提供提供;供应供应固定搭配：固定搭配：provide sb.with sth.=provide sth.for sb.为某人提供某物为某人提供某物【辨析】provide,give与offer单词单词含义含义用法用法provide“提供；供应提供；供应”含有含有“免费供给免费供给”的意思。的意思。give“提供；给提供；给”多指一般性多指一般性“给出给出”或因别人需要而
4、或因别人需要而“给给”。offer“主动提出；主动提出；自愿给予自愿给予”强调强调“主动提供主动提供”，提供可接受也可拒绝的，提供可接受也可拒绝的某物，如帮助、服务或物品等。某物，如帮助、服务或物品等。offer to do sth.主动提出做某事。主动提出做某事。provide sb.with sth.=provide sth.for sb.give sb.sth.=give sth.to sb.offer sb.sth.=offer sth.to sb.小试牛刀give，provide，offer（2017 孝孝感感改改编编）The volunteers have _ a lot of h
5、elp to the old and the young since 2010.（2016 泰泰安安改改编编）More chances are _ for students to learn from each other if working in groups.Please _ the glasses to your grandfather.He wants to read the newspaper.offered providedgive5e.g.Anyway,I must be going now.无论如何，我必须得走了。无论如何，我必须得走了。anyway eniwe adv.而且
6、而且;加之加之相当于相当于anyhow，用于对刚讲过的话另加一个忽然想到，用于对刚讲过的话另加一个忽然想到的附注；用于句末时，表示的附注；用于句末时，表示“无论如何无论如何”。6 e.g.We depend on each other.我们依靠着彼此。我们依靠着彼此。depend dpend v.依靠依靠;信赖信赖固定搭配：固定搭配：depend on 依赖；取决于依赖；取决于7 e.g.We can develop together.我们可以一起发展。我们可以一起发展。develop dvelp v.发展发展;壮大壮大派生词：派生词：development n.发展发展【拓展】develop
7、的其他词义：You can watch a series of videos on YouTube to develop your listening skills.The company develops and sells new software.Hobbies can develop your interests and help you learn new skills.The car developed engine trouble and we had to stop.发展发展开发开发培养培养出现出现【拓展】develop相关的变形和搭配：小试牛刀（1）（2018 上上海海）Th
8、e _（develop）of AI（人人工工智智能能）will enable us to learn more about our brains.（2）（2018 云云南南改改编编）Food safety is a problem in all places around the worldin _（发发达达国国家家和和发发展展中中国家）国家）.（3）这座城市已经发展成为一个工业中心。）这座城市已经发展成为一个工业中心。This city has _a center of industry.developmentdeveloped countries and developing countr
9、iesdeveloped into8 e.g.I admired her independence.我羡慕她的独立。我羡慕她的独立。independence ndpendns n.独立独立派生词：派生词：independent adj.独立的独立的9e.g.Americans have a sense of fairness.美国人有一种公平感。美国人有一种公平感。fairness fens,ferns n.公正性公正性;合理性合理性派生词：派生词：fair adj.公平的，公正的公平的，公正的10e.g.Its two years since I came here.我已经来这儿两年了。我已
10、经来这儿两年了。since sns conj.因为因为;既然既然prep.,conj.&adv.从从.以后以后;自自.以来以来固定搭配：固定搭配：since then 自那以后自那以后11 e.g.Hes my next door neighbor.他是我隔壁邻居。他是我隔壁邻居。neighbor(=neighbour)neb(r)n.邻居邻居派生词：派生词：neighborhood n.街区街区12 e.g.I was feeling ill.我感觉不舒服。我感觉不舒服。ill l adj.有病有病;不舒服不舒服比较级：比较级：worse；最高级：最高级：worst 派生词：派生词：illn
11、ess n.病病13 e.g.The seeds drop from trees in winter.冬天种子从树上落下来。冬天种子从树上落下来。drop drp,dr:p v.落下落下;掉下掉下固定搭配：固定搭配：drop off 掉下来掉下来 drop in at some place 顺便到某地顺便到某地drop in on sb.顺便拜访某人顺便拜访某人【拓展】drop相关的其他词义：Be careful not to drop that plate.Many times in our life,we are dropped and stepped on by the chances
12、we take and the things that happen to us.Drop everything and come at once！掉下掉下丢下丢下停止停止Drop me a line when you get there.He believes that dropping people in their homes safely is the best reward for his service.Rain drops fell on the travelers through the open window.【拓展】drop相关的其他词义：写写送送滴滴【拓展】drop相关的
13、变形和搭配：小试牛刀（1）My grandmother took out a fifty-yuan note（纸纸币币）and _（drop）it on the ground.（2）（2018本本溪溪改改编编）Uncle Wang，I _（顺顺便便走走访访）your home at 6:00 p.m.yesterday,but nobody was in.Oh,I was having a meeting.（3）Steve had played online games since the age of eleven.He almost _（辍学）（辍学）last year.droppeddr
14、opped bydropped out from school14e.g.She is an independent woman.她是一个独立的女性。她是一个独立的女性。independent ndpendnt adj.独立的独立的;自主的自主的15 e.g.He won it fair and square.他赢得光明磊落。他赢得光明磊落。fair fe,fer adj.合理的合理的;公正的公正的反义词：反义词：unfair adj.不公平的不公平的16e.g.They won by unfair means.他们以不公平的手段获胜。他们以不公平的手段获胜。unfair nfe,nfer adj.不合理的不合理的;不公正的不公正的Thank you