牛津版英語(yǔ)六年級(jí)第二學(xué)期知識(shí)點(diǎn)梳理Unit9SeawaterandrainwaterI詞組:1.prepare...for...準(zhǔn)備…做…2.aclasscompetition一次班級(jí)競(jìng)賽3.aquarter四分之一threequartersof...三分之一的......4.seaanimals海底動(dòng)物5.aseahorse海馬6.liveinsp.居住在某地7.ontheearth在地球上8.oneof之一9.thelargest最大的10.themostintelligent最聰明的11.themostdangerous最危險(xiǎn)的12.intheoceans在海洋里13.getsthfrom…從…得到某物14.usesthtodosth用某物做某物(=usesthfordoingsth)15.inthedeepsea在深海里16.beimportantto對(duì)…很重要的17.keep...clean保持…干凈18.stoppollutingsth(stopdoing停止污染某物（停止做某事）sth)19.*theanswertothequestions問(wèn)題的答案20.twokindsof兩種……21.findsomeinformationabout.找出有關(guān)….的一些信息22.■theInternet在網(wǎng)上23.athome在家里

24.havenowaterto(do?*Sth沒有水做某事25.brushteeth刷牙26.takeashower淋浴27.washclothes洗衣服28.washthedishes洗盤子29.atwork在工作中30.waterthecropsandvegetable澆灌莊稼和疏采31.onthefarm在農(nóng)場(chǎng)里32.inrestaurants在飯店里33.havenofoodtoeat沒有可以吃的食物34.cookfood烹飪食物35.puto]itfires滅火36.Letsdosth讓我們做某事37.savewater節(jié)約用水38.wastewater浪費(fèi)用水39.(fix)adrippingtap（修理）一個(gè)滴水的水龍頭40.(under)arunningtap在一個(gè)流水的水龍頭下41.turnonturnoff打開關(guān)掉42.playwatergames嬉水43.takeabath洗盆浴44.insteadof代替；而不是45.bydoingsthbynotdoingsth通過(guò)做某事通過(guò)不做某事46.otheruses其他用途II.詞性轉(zhuǎn)換:1.*compete(v?競(jìng)爭(zhēng)competition(n.)比賽e.g.,Lethaveacompetitionaboutwater.Iwillasktheque2.形容詞原級(jí)比較級(jí)最高級(jí)

largelargerthelargestintelligentmoreintelligentthemostintelligentdangerousmoredangerousthemostdangerouse.g.,Whichisthelargestoceanintheworld?Dolphinsarethemostintelligentseaanimals.3.importance(n.)重要important(a.)重要的e.g.,It'simportanttolearnhowtocommunicatewithothers.4.danger(n.)危險(xiǎn)dangerous(a.)危險(xiǎn)的e.g.,Someanimalsareindanger.Let'ssavethem.It'sdangeroustostandinfrontofamovingcar.5.pollution(n.)污染pollute(v.)污染e.g.,Wemuststoppollutingthewater,thelandandtheair.Werest(n.)興趣interesting(a.)有趣的；有意思的interested(a.)感興趣的e.g.,HarryPotterisaveryinterestingbook.I'mveryinterestedinit.7.cover(v.)覆蓋*covering(n.)掩蔽物；遮蓋物e.g.,Ilikethecoveringofthebook.WatercoversmostoftheEarth.&intelligence(n.)智力；腦力intelligent(a.)聰明的e.g.,Doyouthinkdolphinsareintelligent?9.tooth(n.)牙齒teeth(pl.n.)牙齒e.g.,Weshouldbrushourteethtwiceaday.10.fish(v.)釣魚(n.)魚fisherman(n.)漁夫fishermen(pl.n.)漁夫e.g.,Fishermenusenetstocatchfishandprawns.Iusuallygofishingwithmyfatheratweekends.11.fireman(n.)消防員firemen(pl.n.)消防員e.g.,Afiremanusuallyputsoutfires.Ifthereisnowater,firemenwillhavenowatertoputoutfires.12.farm(n?)農(nóng)場(chǎng)farmer(n.)農(nóng)夫e.g.,Farmersneedwatertowaterthecropsontheirfarm.13?drip(v?)滴水dripping(a.)滴水的e.g.,It'sadrippingdaytoday.I'mdrippingwet.Listen!Thetapisdripping.14.run(v.)奔跑running(a.)流動(dòng)的e.g.,Wehavearunningsore.Doesithurtalot?III.語(yǔ)言點(diǎn)/句型A.語(yǔ)言點(diǎn)：quarteraquarterof四分之一的…..threequartersof四分之三的…ahalfof二分之一的….e.g.Almostthreequartersofthelandispolluted.1/2:one—second/a(one)half1/4:one-fourth/aquarter3/4:three—fourths/threequartersoneof???oneof+形容詞的最高級(jí)+名詞復(fù)數(shù)：“最....之一"oneof+名詞復(fù)數(shù)：“…之一"e.g.,JinmaoTowerisoneofthetallestbridgesintheworld.3．keepkeepsth.+adj.“使??處于某種狀態(tài)”e.g.,Wepromisetokeepthebeachesclean.Wouldyoupleasekeeptheclassquiet?Wouldyoupleasekeepthewindowopen?stopstopdoingsth停止做某事e.g.,Wemuststopkillingwildanimals.stoptodosth停下來(lái)開始做某事e.g.,Whenthebellrang,thestudentsstoppedtohavearest.haveno+名詞haveno+不可數(shù)名詞/可數(shù)名詞復(fù)數(shù)=nothaveany+不可數(shù)名詞/可數(shù)名詞復(fù)數(shù)e.g.,Wewillhavenotimeatalltowritetoyou.=Wewillnothaveanytimeatalltowritetoyou.Hehasnomoney.=Hedoesn'thaveanymoney.6?needneedsth/sbtodosth“需要某物/某人來(lái)做某事"e.g.,IfIneedyoutocomeandhelp,I'llcall.Weneedahammertofixthedesk.7.waterwater(n.)水(不可數(shù)名詞)water(v.)澆灌e.g.,Don'tforgettowatertheflowersinthegarden.8?wastewaste(v.)浪費(fèi)waste(n.)浪費(fèi)；廢棄物e.g.,Don'twastetheflour;thereisn'tmuch.It'sawastetothrowawaygoodfood.9?turnoffturnoff關(guān)掉turnon打開e.g.,Pleaseturnofftheradio.=Pleaseturntheradiooff.注意：當(dāng)我們使用代詞(it/them等)代替名詞時(shí)，必須使用turnit/themoffe.g.,Pleaseturnitoff.10?insteadofa)insteadof為介詞短語(yǔ)，后面一般加名詞、代詞、動(dòng)名詞(-ing)等e.g.,Ihavecomeinsteadofmybrother.Iwillgoinsteadofyou.Hewasstudyingthewholeafternooninsteadofplayingfootball.b)instead為副詞,e.g.,Mr.Wangwasill.Instead,Mr.Ligaveusthelesson.B?句型：*1.形容詞最高級(jí)的用法1）形容詞最高級(jí)的構(gòu)成規(guī)則變化：?jiǎn)我艄?jié)形容詞和少數(shù)雙音節(jié)形容詞的最高級(jí)構(gòu)成：a）一般在詞尾加-este.g.,tall---tallestbright---brighterb）重讀閉音節(jié)結(jié)尾且詞尾只有一個(gè)輔音的形容詞，雙寫最后字母，再加-este.g.,big---biggestfat---fattestthin---thinnestc）“輔音+y”結(jié)尾的形容詞，將y改為i,再加este.g.,heavy---heaviestearly---earliesteasy---easiest多音節(jié)形容詞和部分雙音節(jié)形容詞的最高級(jí)構(gòu)成：在形容詞前，加moste.g.,beautiful---mostbeautifulintelligent---mostintelligent不規(guī)則變化：e.g.,good---bestbad---worstmany/much---mostlittle---least2）基本用法：用于三者或三者以上的人或事物之間的比較，表示在一些人或事物中，其中一個(gè)“最……”形容詞最高級(jí)的前面一般要用定冠詞the,即“the+形容詞最高級(jí)”形容詞最高級(jí)+of+比較對(duì)象形容詞最高級(jí)+in+比較范圍e.g.,Sheisthebeststudentinourclass.Heisthemostdiligentofthethreeboys.oneof+形容詞的最高級(jí)+名詞復(fù)數(shù)：“最....之一”e.g.,HarryPotterisoneofthemostinterestingbooksintheworld.*最高級(jí)與比較級(jí)的轉(zhuǎn)換：最高級(jí)=比較級(jí)+anyother+名詞單數(shù)+thane.g.,Whalesarethelargestanimalsintheworld.=Whalesarelargerthananyotheranimalintheworld.Tonyisthetallestinourclass.=Tonyistallerthananyotherstudentinourclass.2.if引導(dǎo)的條件狀語(yǔ)從句①if表示如果，用以引導(dǎo)條件狀語(yǔ)從句在條件狀語(yǔ)從句中，如果主句用一般將來(lái)時(shí)，訐從句相應(yīng)的使用一般現(xiàn)在時(shí)，稱為“主將從現(xiàn)”If從句可放在主句前面，亦可放在主句后面。If從句如在主句之前，要使用逗號(hào)“，”隔開e.g.,IwillgotovisitYuGardenifitdoesn'traintomorrow.YouwillfindalotofinterestingplacesifyougotoShanghai.Ifthereisnorain,wewillhavenowatertocleanourclothes.use…todosthuse…todosth=use…fordoingsth:用….做某事e.g.,Weuseknivestocutbread.=Weuseknivesforcuttingbread.Whatdoweuseknivestodo?=Whatdoweuseknivesfor?補(bǔ)充：beusedtodosth被用來(lái)做某事；be/getusedtodoingsth習(xí)慣于做某事；usedtodosth過(guò)去常做某事。祈使句肯定句：Do（動(dòng)詞原形）sth...,please!否定句：Don't+do（動(dòng)詞原形）+...e.g.Cleanthetable,please.Don'tcleanthetable,please.5.Howcanwesavewater?Wecansavewaterby（not）doingsth①how引導(dǎo)的特殊疑問(wèn)句，用來(lái)詢問(wèn)方式e.g.,Howcanyoumakethismodelhouse?Howdoyouusuallygotoschool?②by表示“通過(guò)……”，后面用-ing形式e.g.,Wecansavewaterbyfixingdrippingtaps.Wecansavewaterbynotbrushingourteethunderarunningtap.C.近義詞1.intelligent(a.)聰明的clever(a.)聰明的，機(jī)靈的bright(a.)聰明的，伶俐的smart(a.)聰明的，敏捷的