英语九年级上册Topic 3 What can we do to protect the environment?精品课文复习ppt课件

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Unit 2 Saving the EarthTpic 3 What can we d at hme t prtect the envirnment?
A jurnalist is interviewing Jane abut envirnmental prtectin.My main jb is t help spread the message abut prtecting the envirnment.We shuld use bth sides f paper and reuse plastic bags.We encurage students t cllect waste paper and sft drink cans.- Thank yu! - It’s a pleasure.
envirnmental prtectin
A jurnalist is interviewing Jane abut envirnmental prtectin.envirnmental adj. 环境的；有关环境的prtectin n. 保护 是动词prtect对应的名词形式cver的意思是“隐蔽物”“躲避处”,是把事物隐藏起来以确保安全的保护物,它既可指野生动物找到的树丛等天然的躲避处,也可指阻挡袭击的物体、房屋等; prtectin的意思是“保护物”“保护”,在这组词中,它的词义最笼统,用途最广,可指任何阻挡伤害或破坏的事物; shelter都用以指无家可归的人能够得到照顾和施舍的地方。Take cver in the barn as sn as yu hear gun fire.The system ffers prtectin frm sudden attack by the enemy.The trees frmed a shelter ver ur heads.
My main jb is t help spread the message abut prtecting the envirnment.spread的基本意思是“伸开”,指把卷或叠着的东西展开或向四面八方扩大范围,强调有目的地均匀撒开。所涉及的空间范围可大可小; 可以计算,也可能无法计算。也可指在某物表面上敷上薄薄一层东西,引申可指某物“变得更流行”。spread 是A-A-A型不规则动词，即过去式和过去分词仍为spread She spread her wings and flew lightly dwn. (过去式） The bread is spread with butter. （过去分词）
We shuld use bth sides f paper and reuse plastic bags.bth直接修饰名词时，不加f。如：Bth children wn prizes. 两个孩子都得了奖。【注意】不能说bth f children，但可以说 bth f the children.，在人称代词前一定要用bth fBth f us like skating. = We bth like skating.
We encurage students t cllect waste paper and sft drink cans.encurage 作及物动词，意为“鼓励”，常用结构为 encurage sb. t d sth. 鼓励某人做某事。其被动形式为：be encurage t d sth. 被鼓励做某事。如： The man encuraged his sn t study hard. ​The yung shuld be encuraged t red mre bks. encuragement 作名词，意为“鼓励；鼓舞”。如：​The teacher's wrds were a great encuragement t him.
It’s a pleasure
- Thank yu! - It’s a pleasure.回答thank yu的方法：Nt at all. 别客气；不用谢；哪儿的话。Yu are welcme. 不用谢。It’s [It was] a pleasure. 不用客气；不用谢。A pleasure. 不用客气；不用谢。It is (was) my pleasure. 别客气，这是我高兴做的。My pleasure. 不客气，这是我高兴做的事。That’s all right. 没什么；不用谢。That’s OK. 没什么；不用谢。
First, yu ught t shut ff the electricity when yu leave a rm.Secnd, yu’d better walk r ride a bike instead f taking a bus r a taxi if yu travel a shrt distance.It’s s easy t be a greener persn.Easier said than dne.Actins speak luder than wrds.Grw fruit and vegetables yurself.
First, yu ught t shut ff the electricity when yu leave a rm. ught 和 shuld均用作情态动词，表示“应该”，常可替换，只是 ught t 语气稍重。如： The train ught t [shuld] have arrived at six. 注：问句中用 ught t 时，除可用 ught (t) 来回答外，也可以用 shuld。 A：Ought yu t take him t a dctr at nce? B：Yes, I shuld. 出于法令规则、行为准则、道德责任等客观情况而“应该”做某事时，一般应用 ught t (若用 shuld 则含有个人意见，强调主观看法)。如： We ught t g and see Mary tmrrw, but I dn’t think we will.
First, yu ught t shut ff the electricity when yu leave a rm.shut ff ：切断；关掉They pulled ver and shut ff the engine.turn ff ：关掉，关闭；拐弯，使转变方向；使失去兴趣 The light's a bit t harsh. Yu can turn it ff. What turns teenagers ff science?shut 的核心意义是“关”；turn的核心意义是“转”
Secnd, yu’d better walk r ride a bike instead f taking a bus r a taxi if yu travel a shrt distance.instead f是短语介词，意思是“代替”、“而不是”。通常置于句中，它后面一般接名词、代词、动名词或介词短语作它的宾语。例如：He drank sme juice instead f beer.instead f可以独立构成短语作状语、同位语以及其他平行结构，语义明确。例如：Instead f abating, the wind is blwing even harder.
It’s s easy t be a greener persn.green用作形容词时的意思是“绿色的,青色的”,指事物呈现出绿色的状态。也可用来指某物还“没有成熟”,或人由于年轻而没有社会经验,即“未成熟的,无经验的,易受愚弄的”; 有时也可指某物是“未干的,潮的”。green引申可指“精力旺盛,充满青春活力”。green在表示“在…方面是新手”时,常与介词at搭配。 The paper turned green as if by magic. These tmates are still t green t pick. I wuld rather be called green than pretend t be an ld dg.
Easier said than dne.
Easier said than dne.说的容易,做起来难It is easier said than dne.省略了形式上的主语it（泛指某事）,said和dne用了过去分词,主要是修饰形式主语it,因为事情是被人谈论和被人做的. The mre a persn reads, the wiser he will becmes. 一个人书读得书越多,就会越聪明.
Actins speak luder than wrds.
Actins speak luder than wrds.事实胜于雄辩、观其言还要看其行、行动更有说服力 SWEAR! I always knw actins speak luder than wrds. 我发誓！我不会忘记，行动比言语更响亮。
Grw fruit and vegetables yurself.grw的基本意思有三:一是“种植”,指培植树木、庄稼等; 二是“生长,发育”,指由于自然地发展而变大或成熟; 三是“渐渐变得”,引申可指“形成”。总起来说,指由小变大、由少变多,强调渐变的过程。 Farmers grw rice. 农夫种稻子。 Hw tall yu‘ve grwn! 你都长这么高了! She is grwing int a beautiful yung wman. 她渐渐出落成美丽的姑娘。
Cver pans when yu are cking.After all, we have nly ne earth.T slve the energy prblem, peple all ver the wrld are lking fr new ways t prduce pwer.This renewable energy is used in peple’s everyday lives.Its key disadvantage is that the prcess requires a lng time (up t 30 days) and the cst is high.
Cver pans when yu are cking.cver的基本意思是“覆盖,遮盖”,既可表示无意地将某物放在某一物的上面,也可表示有意地隐藏、遮掩。有时还可表示包含、包括、概括。cver是及物动词,接名词或代词作宾语,可用于被动结构。 Snw cvered the grund.cver作名词时,其基本意思是“盖子”“套子”“覆盖物”,指某具体事物的掩蔽物或外套,引申还可指书等的“封皮”“封面”，是可数名词。cver也可作“隐藏物”“躲避处”解,只用作单数。 When the water bils, take the cver frm the pan.
After all, we have nly ne earth.after all 指期待某件事情发生，结果发生的却是相反的事情。意为"尽管与我们所期待的不同，但还是……"(译为：终究，毕竟)，一般放在句末，例如： I'm s srry ,I thught I culd cme and see yu this evening, but I'm nt free after all.after all也可指“别忘记了……”，它常常表示为了说明某个好理由或者某个重要的辩论而提醒某人看起来忘记的事情，一般放在句首，例如： It's nt surprising yu're hungry. After all, yu didn't have breakfast.
T slve the energy prblem, peple all ver the wrld are lking fr new ways t prduce pwer.lk fr 意为“寻找”，强调找的动作和过程 Lk, Lucy lst her key again, s her family is lking fr it everywhere(找的动作).find意为“找到；发现”，强调找的结果 Finally, she fund a gd jb after ne year.(找的结果) find ut 意为“查出；获知；弄清楚”，强调经过研究、调查而得 Can yu find ut when the early plane will fly?
This renewable energy is used in peple’s everyday lives.不可数 (泛指)生命;生物 Hw did life begin? (泛指)生活;人生;世事; ne's way f life 活力;生气;活动:There was n sign f life in the empty huse.可数 pl. lives 性命;人命: give ne's life fr ne's cuntry为国捐躯 一生;终生;(描述一生的)传记; spend ne's life in idleness一生无所事事(虚度年华)
Its key disadvantage is that the prcess requires a lng time (up t 30 days) and the cst is high.cst作名词时,意思是“成本,费用,价钱,代价”。引申可指“损失,牺牲”,包括时间或精力方面的消耗。cst作“成本”“费用”解时,可用单数形式,也可用复数形式; 作“代价”解时,一般用单数形式。 The scientific bks will be sent withut cst.cst作动词的基本意思是“对得到的事物、行为或事情的结果付出代价”,可依据上下文灵活译为“值…”“花费”或“失去”“蒙受”“招致”等。cst侧重的是“以…为代价”,而不仅仅是数量的陈述。 Des it cst much t live here?
It’s t small t hld many peple, but larger mdels will be develped in the near future.It takes peple just 7 minutes t g t the airprt 30 km away.The train can reach a tp speed f 431 km per hur.There is n wheel nise, because there are n wheels.They will never run ut s they are called renewable surces.The use f it is increasing rapidly each year.
It’s t small t hld many peple, but larger mdels will be develped in the near future.t…t…句式的结构形式为“t+形容词或副词+t+动词原形”，通常翻译成“太……而不能……”。如： She’s t mean t make a dnatin. 她很小气，不肯捐款。根据语境的需要，不定式前可以带有一个由介词fr引出的逻辑主语。如： The rad was t narrw fr cars t pass. 路很窄，汽车过不去。
It takes peple just 7 minutes t g t the airprt 30 km away.It takes (sb) + time + t d sth. （做）某事花了某人多少时间
The train can reach a tp speed f 431 km per hur.speed作名词的基本意思是“速度,速率”,指运动事物在单位时间内所通过的距离。作此解时, speed本身无所谓快慢,若表示“快”或“慢”,须加形容词修饰。可用作可数名词,也可用作不可数名词,用作可数名词时,其前常加不定冠词a。 All this must be dne at very great speed.speed用作动词是“提速”“加速”的意思,含有“有成效”而不带有兴奋与慌乱的意味,也可指驾车者以违法的速度行驶。 The train sn speeded up.
There is n wheel nise, because there are n wheels.n用作形容词表示“没有的”时,与可数名词的单数或不可数名词连用,谓语动词用单数,与可数名词的复数连用时,谓语动词用复数; 也可表示某事被禁止,即“不许的,不可的”。还可表示与所说的事截然不同。 N smking!n的意思相当于nt a/an或nt any,因此其后不能再加a, an, any; 其前不能加the, my, this或that等限定词。 There is n (nt any) water n the mn.
They will never run ut s they are called renewable surces.run ut作不及物短语，表示“被用完；被耗尽；（人）把东西用完（或花光）”，其主语通常是时间、金钱、食物等无生命名词。 Our time is running ut.run ut f 意为“用完； 耗尽； 从 ... 跑出”，主语通常是人 We have run ut f ntepaper.
The use f it is increasing rapidly each year.each指两个或两个以上的群体，every三个或更多的群体， Mr. Brady is kind t each/every student in his class.each强调一个群体中的个体成员；every强调整个群体的所有成员： Every/Each dctr shuld help his/her patients t recver as sn as pssible.each前面不能有其它副词修饰；every前可以用表示“几乎”的almst, practically 和nearly ： They g t Eurpe almst every year.
Frests were cut dwn t prvide wd t build huses.There are ften many insects that bite these planters n their legs, arms and faces while they wrk.Tree planters plant different types f trees s that birds and animals can live in the frests.They believe that in 50 years their little trees will becme beautiful frests.
Frests were cut dwn t prvide wd t build huses.prvide sth fr sb 为某人准备某物 The htel prvides a she-cleaning service fr guests.prvide sb with sth 意思和第一个相同,宾语换了一下 The prject is designed t prvide yung peple with wrk.prvide against准备以防（不测）发生 Health insurance will prvide against lss f incme if yu becme ill.prvide fr 为…提供,准备以防… Withut wrk, hw can I prvide fr my children?
There are ften many insects that bite these planters n their legs, arms and faces while they wrk.bite的基本意思是“用牙齿或牙齿类物攻击”,一般译为“咬”,指用牙(尤指门牙)短暂性地、猛烈地咬入某物,将其咬住、咬透或咬掉,也可指“咬伤”。引申指“某种非凡的力量牢牢抓住、刺透、刺入某物”。用于比喻可指“上钩,上当”。(不规则变化 bite – bit – bit/bitten )Their dg bit a hle in my trusers.bite用作名词时意思是“咬”,不表示一个状态,而表示一个动作,还可指“咬伤”,即被咬过后留下的伤口,还可以指“食物”。I'm stuffed, and I can't eat anther bite.
different types f
Tree planters plant different types f trees s that birds and animals can live in the frests.kind, srt, type 和 class 均有“种、类、类型”之意。 kind指性质相同，而且特征很相似，足以归为一类的人或东西。 srt普通用词，文体较kind随便，指对人或对事物进行的大概分类，有时含贬义。 type指客观界限比较清楚，有相同本质特点的同类事物，或指大致相似的同类事物。 class正式用词，指门类、种类或优劣等级；用于指动植物的分类时，表示“纲”。
in 50 years
They believe that in 50 years their little trees will becme beautiful frests.in +时间段，既可以表示事件在这段时间结束的时候发生（即某某时间之后），也可以表示事件发生在这段时间内。谓语可以是将来时，也可以是一般过去时。 He will be back in three days. He wrte the reprt in three days.
When yu have a shrt jurney, hw d yu usually g there?If yu want t g n the trip, yu must get yur parents’ agreement.Nthing is difficult if yu set yur mind n it.Dctr Smith tk ver a medical clinic in Trnt.She has put n a lt f weight.
When yu have a shrt jurney, hw d yu usually g there?jurney, tur, travel, trip的共同意思是“旅行”“ 游历”“观光”“游程”。其区别是： jurney多指有目的地的陆上长途旅行,有时也指水上或空中旅行,其距离远近、时间长短、旅行的目的和方式均不限,并不表示是否要返回出发地,是正式用语。 He is ging t make a lng jurney. trip是非正式用语,可以代替jurney,但trip常指时间较短、距离较近的旅行,旅行方式不变,并且意味着旅行结束后还要回到原来的地方。
When yu have a shrt jurney, hw d yu usually g there?jurney, tur, travel, trip的共同意思是“旅行”“ 游历”“观光”“游程”。其区别是： tur指根据一定的路线,事先预定了一些逗留地点,旅行结束后仍回原地的旅游,其主要目的多为观光、视察或进行其他活动,路程一般都比较长。 travel意思广泛,可以表示不论时间长短,不论路途远近,不论为了什么目的或使用什么交通工具的旅行或游历,它可与本组其余的词通用。
If yu want t g n the trip, yu must get yur parents’ agreement.同意，一致 [U] We are in agreement with their decisin.协定，协议 [C] The class had an agreement nt t sneak n each ther t the teacher.
set ne’s mind n
Nthing is difficult if yu set yur mind n it.set ne‘s mind n (ding) sth.一心扑在…,立志…， 下定决心 …… Set yur mind n things abve, nt n earthly things. The by has set his mind n becming an engineer.set ne's mind t d sth.主要强调的是发起者的行为动作。这个短语更多的强调的是下决心这件事，如： I set my mind t get up early.我决定要早起。（强调的是发起者决定要做的事，突出发起者的决心毅力。）
Nthing is difficult if yu set yur mind n it.set ne's mind t sth.主要用于强调在一件事情上，即突出的事物的性质。所以更多的我们翻译时可以将他类比为”cncentrate n(专注)“的意思，如： I set my mind t this bk.我沉浸在这本书的阅读中。（强调的是对书的决心毅力，即对书的专注）
Dctr Smith tk ver a medical clinic in Trnt.take ver 的用法较多： 接管; 接替 The strikers tk ver the factries. 带,领…到另一地 He tk us ver t the windw. 在…上花费 I have taken tw years ver this bk. 帮…学习 He tk me ver my lines. 领(某人)参观 He will take the visitrs ver these rms.