九年级上册英语同步课件5.9 Unit 2 Topic 2 单元小结

1、Unit 2 Topic 2 可、结一.重点单词。sand sendn.沙，沙子sandstormsaendstxmn.沙尘暴rainstorm暴风雨snowstorm 暴风雪storm暴风o.转换成，把变成desertdezotn.沙漠 v.舍弃，遗弃humanbeing biig n.人althoughoildsolconj.虽然，尽管二thoughreduce rldju:s v.减少；减轻completely kampli:tliadv.彻底地;完整地complete adj.完全的user fju:zon.使用者；用户use v.&n.使用reuse ,ri:ju

2、:z v.再次使用;重复使用none nAnpron.没有一个；亳无nobody na（）badipron.没有人nothing 没事nowhere nooweaadv.无处;哪里都不rubbish Ya bi f n.垃圾,废弃物here and there 在各处；到 fc=everywherespitspt v.吐，唾wildwaid adj.野的，野生的untidyAntadi adj.不整洁的,凌乱的tidyadj.整洁的worst wa:sl|adj.最差的，最糟的ruderu:d adj.无理的，粗鲁的behavior biheKjan.行为，举止situation ,sl tf

3、 uei f nn.状况;形势;局面滥伐树木对人类动植物都有害处。动名词做主语，渭语动词用单数e.g. Doing exercise is good for our heallh.做运动有助于我们的健康。【典例分析】None of us likes pollution.没有人喜爱污染none的用法1）可与。f连用；2）谓语动词用单或复数；3）具体指什么人或物；4） 般用来回答how many+n, how much +n及含any +n引起的疑问句。e.g. None of us is English.我们中没有人是英国的。【技巧总结】no one的用法1）不与。f连用；2）谓语动词用单数;3

4、）只能指人,但不具体指什么人;4）一般用来回答who,及含anyone, anybody引起的疑问句。e.g. No one likes pollution.没人爱污染。【典例分析】We should do everything we can to protect the environment.我们应当尽切努力保护环境句中we can是修饰eveiything的定语从句，省略了关系代词that及从句中的谓语do,意为“一 切能做的事”e.g. We should do everything we can to learn English well.【典例分析】Everyone should

5、care for wild animals and plant more trees .每一个人都应该保护野生动物，种更多的树。care for=takc care of=look after 照顾，照料e.g. Jim has to look after his brother because his mother is not at home.【典例分析】Too much harmful radiation from the sun passes through the hole and reaches the earth directly.through prep.穿越，从中间穿过e.g

6、.The two friends were walking through the forest.across prep.横跨，横穿e.g.The Great Green Wall is across the northwest of China.cross v.横穿，如横过马路、过桥、过河等。e.g. Be careful when you cross the street.【典例分析】The sea seems to have the best answer.seem用法It seems that+从句 似乎，好像e.g. It seems that their living condit

7、ions arc very good.他们的生活条件似乎很好。(2)主语+seem io do sth 似乎，好像e.g. She seems to pass the test.她似乎通过 了考试。(3)主语+seem+形容词似乎，好像e.g. He seems very happy. 他似乎很开心。四.重点语法.C3语法一一不定代词和不定副词(一)不定代词.定义：不指明替代任何特定名词或形容词的代词叫作斥定代词I。大多数不定代词在句中可以作主语、表语、宾语、 同位语和定语。.各类不定代词:可数不可数许多manymucha lot of, lots of, plenty of一些some, a

8、nya fewa little几乎没有fewlittle每个任何一个全都都不另一个指两个eacheitherbothneither(the) other两者以上cach/cvcryanyallnonc/noanothersome, any, no和every都可以和one, body, thing连用，构成复合不定代词1）复合不定代词作主语时,谓语动词用单数形式。some-any-no-every-人someoneanyoneno one/noneeveryonesomebodyanybodynobodyeverybody物somethinganythingnothingeverythinge

9、.g. Something is wrong with the computer.2）形容词或else修饰不定代词时应该放在不定代词之后。e.g. There is something delicious on the table.3）some-/any-复合不定代词的用法与some/any用法基本一致。意定句以及期待对方肯定回答的疑问句中通用some-； 杳定旬和疑问旬旬通用四y-。e.g. Would you like something to eat?I dont know anything about it.I heard somebody singing in the classro

10、om.4） Each ofNeither of y 一二 后一.7.二如名词复数十动词单数Either ofNone of（-）不定副词some, any, no和every还可以与where连用，构成表示地点的副词，即somewhere某处，在某处anywhere 在任何地方，无论何处nowhere 无处，不知名的everywhere 到处，处处 =here and there注意：else放在不定副词后面。（三）不定代词none, neither的用法。none指三者或三者以上都不，作主语时谓语动词用单数或复数均可，常和of连用构成none of结构;neither指“两个人或物中一个也不

11、,两者都不”。如：None of the books are/is interesting.I know neither of the two men.punish p；nij v.处分，惩罚perhaps p6hzepsadv.可能，大概32.everybodyIevribixlipron.人人,每个人33.everyone每个人34.everything每件事35.take away拿走36.take相关词组及用法：37.take拿走，带走take up 占据take.to.把带到take place 发生take the place of 代替take ones place 代替某人ta

12、ke turns to do sth轮流做某事take measures to do sth 采取措施做某事take action to do sth采取行动做某事take a breath 吸一口气oxygen uksdson n.氧气hole haul n.洞，坑ozone layer oozaun lee臭氧层radiationediejhn.放射，放射物directly dSrektliadv.直接地directadj.直接的indirectadj.间接的indirectlyadj.间接地carbon dioxide kaibon dainksad二氧化碳form ffo ： m v.

13、出现，使形成n.种类；形式blanket blieijkt n.毛毯，毯子escape Iskep n.&v.逃跑；逃脱（rom）rise razv.上升，上涨the greenhouse effectgjgri:nha网tfekt温室效应refer rlf3： to 提到，涉及，有关shortage n.缺乏;缺少;短缺short短的，矮的shorts短裤avoidovodv.防止，防止avoid doing sth.resourcerlso:sn.资源，财力sourceso:sn.来源，出处;起源;源头discover d IskAvol v.发现，找到discovery n.发现thir

14、sty 03：sti adj.缺水的，渴的nearly ni dll adv.几乎，将近law 法律,法令；定律lawyer 律师【典例分析】desert dezot n.沙漠 v.舍弃，遗弃change into desert 变成沙漠【典例分析】sandstorm saendslo:m n.沙尘暴【技巧总结】sandstorm saendsto:m n.沙尘暴rainstorm n.暴风雨snowstorm n.暴风雪【典例分析】although aldau conj.虽然,尽管=thoughalthough conj.“虽然,尽管”,引导让步状语从句,相当于though,although

15、比拟正式。e.g. Although/Though he is very tired, he goes on with his work.【技巧总结】在句中使用although或though时，不能同时使用bul,但although/though后可与yet或still连用。加强语气时，可 用 even though.【典例分析】userju:zon.使用者；用户；use v.&n.使用；useful adj.有用的.reuse ,ri:ju:z v.再次使用;重复使用【典例分析】save用法I）贮存、保存e.g. Forests can save a lot of water.save sb

16、 sth=save sth for sb为某人保存2）节省、节约，防止（金钱、时间等）浪费e.g. We should save time.3）救，挽救save ones life挽救某人的命e.g. He saved his friends life in the accident.【典例分析】rubbish Ya bi f n.垃圾,废弃物leave rubbish here and there 乱扔垃圾【典例分析】wild wald adj.野的，野生的wild animals野生动物【典例分析】untidy .Antadi adj.不整洁的，凌乱的；tidy adj.整洁的【典例分析】

17、worst wo:stadj.最差的，最糟的worst of all最糟糕的是，用来引出最坏的事。【典例分析】none n.xn pron.没有一个；亳无none指三者或三者以上的“没有，都不”，既可指“人工也可指“物”，常与of连用，既可修饰 可数名词，也可修饰不可数名词，构成“none of+代词”结构，当名词是不可数时，谓语动词用第 三人称单数，当名词是复数时，谓语动词用单复数均可。e.g. None of those buses go（es） there.没有一辆公共汽车去那里。【技巧总结】no one指“人”，不与。f连用，谓语动词用单数.e.g. No one likes nois

18、e.没人喜欢噪音.【典例分析】direct adj.直接的v.指挥，指示.directly adv.直接地=direct +lydirector n.导演direction n.方向，指导【典例分析】rise是不及物动词，意为：升起;上升e.g. The sun rises in the east 太阳从东方升起.【技巧总结】raise是及物动词，意为”举起；抬起，提高”e.g. Please raise your hands.请举起手。【典例分析】escape n.&v.逃跑：逃脱（from）escape sth/doing sth 逃脱（做）某事e.g. He is very lazy.

19、He often escapes the study.他很懒，经常逃脱学习。The man escaped doing the work.这个男人经常逃避工作escape, ,from, 从。逃脱e.g. The boy escaped successfully from that big fire.这个男孩成功地从火灾中逃脱。【典例分析】avoid v.防止，防止avoid + sth. / doing sth.防止做某事e.g. He avoided answering niy questions.他拒绝回答我的问题。【技巧总结】后加doing sth的动词有：avoid/practice

20、/ finish/discourage/enjoy /imagine/keep/mind/prevent/regret/spend/consider（）【典例分析】discover v.发现 探索;discovery n.探索 发现【技巧总结】Find, discover 及 invent 的区别（A. find是较非正式用词，表示找到或发现的意思。Eg. Please find my hat for me.discover指通过有意识地寻找或查询,发现某种已经存在的现象或事物。Eg. It was Columbus who discovered America in 1492.invent那

21、么表示创造以前不存在的东西。Eg. Alexander Bell invented the telephone in 1876.【典例分析】nearly neU adv.几乎,将近【技巧总结】nearly 与 almost 区别：almost 多表示时间、程度、距离、进度，1=1. almost 可以修饰 more (han Joo, nothing, nobody, nowhere, no one, none, never等词，nearly那么不行。nearly只与nol连用。e.g. I have almost never seen him.I nearly didnt hear what

22、 the teacher said in class.二.重点短语。.刮大风 blow strongly/hard.沿着街道走 walk down the street.砍倒，砍下cut down.阻止.做某事.把吹/刮走.把冲走，把洗掉.对有害.需要做某事.许多，大量.尽某人最大努力做某事.在将来.形成，产生.处于危险中.灭绝.许多，大量.的重要性.阻止.做某事.把吹/刮走.把冲走，把洗掉.对有害.需要做某事.许多，大量.尽某人最大努力做某事.在将来.形成，产生.处于危险中.灭绝.许多，大量.的重要性. 把，,变成 change into = turn into stop/keep/prev

23、ent sb from doing sthblow sth. awaywash sth. awaybe harmful to = do hann toneed to do stha large number oftry ones best to do sthin the futurecome into beingbe in danger ofdie outplenty ofthe importance of18.越来越少fewer and fewer19.在过去in the past20.结果as a result21.一些有用的东西something useful22.我们中没有人none

24、of us23.到处here and there24.在公共场合in public25.保护野生动物care for wild animals26.最糟糕的是worst of all27.制定规那么make rules28.遵守规那么follow the rules29.违反规那么break the rules30.带走take away31.臭氧层the ozone layer32.二氧化碳carbon dioxide33.温室效应the greenhouse effect34.指的是refer to35.海平面the level of the oceans36.直接到达地球reach th

25、e earth directly37.缺乏be short of38.在地球上on the earth39.用某物做某事use sth for sth/doing sth40.防止某事avoid sth41.取得（一些）进步make (sonic) progress42.在这个领域in the field43.一天天day by day44.似乎/好像做某事seem to do sth45.大量的plenty of46.带走、拿走take away47的缺乏the shortage of【典例分析】1. cut down1. cut down砍伐，缩短e.g. cut down the tre

26、es=cut the trees down 砍树 注意：cut il/chem down动副结构，代伺必须放中间，且用宾格【技巧总结】cut in插嘴，打断（说话）cut off切断（电源，水）；中断cut out剪下；删去切碎cut up【典例分析】change .into= turn. into 把.变成.e.g. Heal can change waler into steam.加热能使水变成蒸汽。They are changing desert into field.他们正在使沙漠变成农IB。【典例分析】stop sb./sth. (from) doing sth. = prevent

27、 sb./sth. (from) doing sth.=keep sb./sth. from doing sth.阻止做某事(from 不能省略)e.g. The heavy rain prevented us from going out. =The heavy rain stopped us from going out.=The heavy rain kept us from going out.大雨阻止我们出去.【典例分析】a number of +可数名词复数+谓语动词愎数i午多,大量e.g. There are a number of cars in the parking lot. The number of the cars is about 2(X).停车场停了大量的车。车的数量大约是200。【典例分析】be in danger of处于的危险中e.g. Some animals are in danger of dying out. 一些动物处于灭绝的危险中.【典例分析】as a