unit4-astronomy公开课一等奖省优质课大赛获奖课件

桂花开了，浅浅淡淡香薷溢满了整个院子，她平静躺在摇椅里望着秋风扫过沙沙作响梧桐树摇啊摇，阳光氤氲在她身边，似是散落了一地静谧。这是我生病后天天必修课，坐在墙角软垫上靠在落地窗前，看她笑看她哀伤听她讲那久远故事……她八岁时候就来到这个家了，土砌围墙木橼夹杂着茅草覆盖屋顶，她站在栅栏门外瑟瑟发抖，蜷缩起冻得发白脚骨节，一句话也说不出来，不！是不敢说！她知道自己被卖到这里了，在随她而来那男人背起两袋麦子转身离开后，她眼泪到底是缓缓地流下来，无声无息。她侧着头瞪着角落里砌麦子，倔强咬着下唇直到鲜红血流下来和着眼泪打湿胸前补丁，眼前瘦瘦高高面色惨白却也精神气十足男人低下头用大掌帮她摩挲了一把脸：“去吃饭吧，以后这里就是你家了。”说完男人猛烈地咳嗽起来，转身回了屋。天色渐暗时候她抬脚走了进去，一个漆黑小桌子，一碗米粥，一个玉米面馒头，她说她来不及坐下端起冰凉粥一口喝完，一口一口地咬着馒头，男人开口说：“这是丫儿，八个月，她妈妈死了，以后她就是你女儿，照料好她，天天都有饭吃。”她呆呆地站在那里，随即裂开满是血痂唇笑了，白白牙齿闪着光如1.____________n.

系统;体系;制度______________adj.

系统;有系统______________adv.

系统地;有系统地systematicallysystemsystematic(al)单词拓展(A)单词派生2._________n.谜;难题v.(使)迷惑__________adj.迷惑___________adj.令人迷惑3._________vi.存在；生存__________adj.存在；生存___________n.存在；生存existencepuzzlepuzzledpuzzlingexistexistent4._________n.暴力;猛烈_________adj.暴力;猛烈_________adv.粗暴地;猛烈地5.____________________n.基础_____________adj.基本;基础______________adv.

根当地;从根本上fundamentallyviolenceviolentviolentlyfoundation/fundamentfundamental6.___________n.&vt.伤害；损害___________

adj.有害___________

adj.无害harmharmfulharmless1.Playingcomputergamesforalongtimeisvery_________(harm)toourhealth.1.作表语用形容词,beharmfulto对…有害。2.Theiruntruecomments__________(violence)hurtthefeelingofChinesepeople.(B)灵活利用harmfulviolently作状语用副词3.Hisanswertothequestionsounds_______(puzzle)andweareall______(puzzle)alot.3.位于系动词后作表语用形容词,前者表示“令人迷惑”,后者表示“感到迷惑”。

puzzlingpuzzled4.AsfarasIamconcerned,strongwill,diligence,anddevotionaswellasperseverancearefour__________(fundament)factorscontributingtosuccess.5.Fewpeopleunderstandthatthe_________(exist)ofrareanimalsiscloselyrelatedtoourlife.作从句主语

fundamental

existence作定语用形容词1.systemn.系统;体系;制度solarsystem太阳系计算机系统铁路系统教育体制社会制度thecomputersystemarailwaysystemtheeducationsystemasocialsystem2.theoryn.学说;理论intheory在理论上inpractice在实践上总之，理论必须同实践相结合。Inbrief,ime(forsth/todosth):notlate及时；不迟Shewillbebackintimetopreparedinner.她来得及回来准备晚饭。3.intime:迟早；最终；终于soonerorlater总有一天我会遇见他。I’llseehimintime.与time相关短语:ontime按时;按时atonetime从前forthetimebeing暂时fromtimetotime不时地innotime立刻,马上attimes有时atatime每次;依次onceuponatime从前4.“be+todo”使用方法

1.表示“将”、“计划”、“安排”。(意思靠近于begoingto)Theirdaughteristogetmarriedsoon.2.表示“义务”、“应该”。(意思靠近于should，must)：Youaretobebackby10o’clock.你必须十点以前回来。3.表示可能性,相当于can,may

Shewasnevertoseehiswifeandfamilyagain.4.表示“命运”,未来必定要发生事,译作“注定……”。

Theworstisstilltocome.5.atmospheren.

1).大气，(某特定场所)空气Theatmosphereofthecityisverymuchpolluted.2).气氛afriendlyatmosphereUsemusicandlighttocreatearomanticatmosphere.Thechildrengrewupinanatmosphereofviolence.

6.cool

adj.清凉，冷静，从容，冷漠，冷淡

be/get/seem/keepcoolHissongsreceivedacoolresponsefromthepublic.cooldowna.凉快起来，冷却b.指人心境“平静下来，使…平静下来”ItriedtocoolherdownbutshewasstillveryangryDon’tcovertheTVuntilitcoolsdown.

7.unlikeprep.不一样；不像adj.不一样

Unlikehim,hissonistall.Thesistersarequiteunlike.

dislikevt.不喜欢反义_________adj.有益派生________n.&v.伤害,损害________adj.无害,无恶意harmlessbeneficialharm8.harmfuladj.有害,伤害beharmfulto对……有害 doharmtosb.=dosb.harm对某人有坏处

[即学即练1](1)Fruitjuicecan______________________children‘steeth.果汁可能损坏儿童牙齿。

(2)Whathedid_________hisreputation.

他所做损害了他名声。

(3)Thecourtcasewill________________________mybusiness.这起诉讼案件将严重损害我生意。beharmfultoharmeddoseriousharmto仿写⑴因特网使我们有可能用很短时间获知世界上发生全部事。TheInternethas____________________________________whathappensaroundtheworldinmuchlesstime.madeitpossibleforustogettoknow

9.makeit+adj.+forsb.todo使某人做某事……it是形式宾语,后面todo才是真正宾语。⑵这本字典使我学习英语轻易多了。Thedictionary___________________________________English.⑶这座桥使我们很方便过河。Thebridge__________________________________theriver.makesitmucheasierformetolearnmadeitquiteconvenientforustocross10.multiply“乘”“繁殖，增加”multiplyAbyB表示“A乘以B”。Ifyoumultiplyfourbyfive,theansweristwenty.lie动词原形第三人称单数过去式过去分词现在分词汉字释义lieliesliedliedlying撒谎;谎话lielieslaylainlying躺;位于laylayslaidlaidlaying放置;下蛋Thenaughtyboy___tomethatthehenthat___therejustnowhad___twoeggsthedaybefore.A.laid;laid;laidB.laid;lay;lainC.lied;laid;lainD.lied;lay;laidD11.existvi.存在,生存,生活,继续存在existin存在于……中existon=liveon靠…生活Thereexists/existed...某地有……；存在……

[即学即练2](1)________always________aforceofattractionbetweentwobodies.两物体间总是存在着吸引力。

(2)They____________verylittlefood.

他们靠极少食物来生存。

(3)Thatworddoesn‘t______inEnglish.

英语中没有这个词。

(5)Whendidtheworld__________________________？

世界是什么时候开始产生？Thereexistsexistonexistcomeintoexistencecomeintoexistence开始存在；成立

12.givebirthto生（孩子）

She’sjustgivenbirthtoahealthybabygirl.她刚才生了个健康女婴。

13.inone’sturn轮到某人It’sinyourturntoreadthepassge.Hecookedthemealinhisturnthisweek.

inturn依次、轮番Pleaseentertheroominturn.

byturns轮番Wekeptwatchbyturns.我们轮番守望。利用依据汉语提醒完成句子。⑴上涨河水使我们过不了河。Therisingwater__________________________________.⑵人们采取行动来预防了环境恶化。Peopletookmeasures__________________________________________.preventedusfromcrossingtherivertopreventtheenvironmentfromgettingworse仿写⑴我们下周是否进行考试取决于我们是否按时完成了任务。______________________________________dependsonwhetherwewillfinishthetaskontime.Whetherwewillhaveanexamination15.whether...dependonwhether...某事是否发生取决于是否……late

adj.迟到，晚；前任；以前；已故

lateradv.以后，较晚时候,过后adj.late比较级(更迟,更后)

latest

adj.最新

lately

adv.=recently最近

1)Mr.ZhuRongjiisthelatePrimeMinisterofChina.

3)Shesaidshewouldringyoulaterthismorning.5)It’sonlylatelythatshehasbeenwellenoughtogoout.2)Heisoftenlateforschool.4)Haveyouheardaboutthelatestnews?

Para5The

arrival

of

humans

and

their

impact

on

the

earth.

Para1A

widely

accepted

theory

about

the

formation

of

the

universe.

Para2The

formation(形成)

of

the

earth.

Para3

The

importance

of

water

for

life.Para4

The

development

of

plants

and

animals

on

the

earth.Acloudofdust

→

asolidball

→

presenceofwater

→

onthewater

→

shellfish&otherfish

→

plantsbegintogrowondryland

→

insectsandamphibiansappear

→

retilesappear

→

dinosaursappear

→

mammalsappearThedevelopmentoflifesmallplantsgrowonthewater

appearshellfish&otherfishplantsbegintogrowondrylandinsectsand

amphibians

appearretiles

appeardinosaursappearmammals

appeara“bigbang”→→Humanbeings16.puzzlen.

谜;难题v.(使)迷惑;(使)为难他怎样经过考试对我们来说还是一个谜。Howhepassedtheexamisstillapuzzle

tous.bepuzzledby被……迷惑beapuzzletosb.对某人来说是个谜/迷惑be/feelpuzzledabout对……感到迷惑⑴Yourexplanationwasreallyapuzzle__me.⑵Hisrecentbehavior_________(使我迷惑).

to

puzzlesme

1.pulln.(c)拉力;牵引力;扯引力Ifwewanttomakeatripintospace,wemustescapethepullofgravity.2)（对他人）影响，影响力Shehasalotofpullinthatcompany.3)吸引力（惯用单数）Thetidesdependonthepullofthemoon.4)拉，牵，扯（反义词：push)Helpmemovethispiano;youpullandI’llpush.

2.cheerup感到高兴；感到振奋We