Unit 2單元知識點回顧復(fù)習(xí)講義-人教版八年級英語上冊

八年級上冊Unit2單元知識點回顧復(fù)習(xí)及練習(xí)Unit2Howoftendoyouexercise?詞性轉(zhuǎn)換1.one（num）一個——（adv）一次；曾經(jīng)2.two（num）二——（adv）兩次；兩倍3.swing（n/v）秋千；擺動、搖擺——（過去式）【搖擺舞】4.little（pron）少的——（adj）較少；較小——（adv）最小；最少【至少】5.health（n）健康——（adj）健康的【保持健康】——（adv）健康地——（adj）不健康的——（adv）不健康地6.die（v）死亡——（過去式）——（n）死亡；去世——（adj）死的7.write（v）寫作——（n）作者重點短語1.看電視2.一周一次3.一月兩次4.一年五次5.打網(wǎng)球6.熬夜7.至少8.做運動9.在周末10.去看電影11.幫助某人做某事12.幾乎不13.多久一次14.想要某人做某事15.對……有好處16.玩電腦游戲17.去野營18.多于19.少于20.去看牙醫(yī)21.去上網(wǎng)22.例如23.開始做某事24.擅長做某事重點語法一、hard與hardly的區(qū)別hardadj.【困難的工作】adv.【努力工作】hardlyadv.【幾乎不】注：hardly不是hard的副詞，hardly的含義和hard無關(guān)。二、與How相關(guān)的疑問詞組percent的用法名詞，“百分之……”，常用“基數(shù)詞+percent+of+名詞”（percent沒有復(fù)數(shù)形式）。當“percent+of+名詞”作主語時，謂語動詞的單復(fù)數(shù)取決于的單復(fù)數(shù)。造句：百分之五十的學(xué)生喜歡這本書。help的用法幫助某人做某事=辨析：sometimes/sometimes/sometime/sometime詞性意思用法sometimes頻度副詞表示動作發(fā)生的不經(jīng)常性，多與一般現(xiàn)在時連用，它可位于句首、句中或句末，對它提問用sometimes名詞短語其中time是可數(shù)名詞，對它提問用sometime副詞表示某個不確切或不具體的時間，常用于過去時或?qū)頃r，對它提問用sometime名詞短語表示＂一段時間＂，句中謂語動詞常為延續(xù)性動詞。對它提問用【巧學(xué)助記】sometimes，sometimes，sometime與sometime分開一段時間(sometime)，相聚某個時候(sometime)。相連s是有時(sometimes)，分開s是倍次(sometimes)。六、與up相關(guān)的短語熬夜熬夜熬得晚七、although與butalthough為連詞,意為“”,用來引導(dǎo)讓步狀語從句,同義詞是though.Although/though和but不能同時使用。Eg.Ididn'tpasstheexam,although/thoughIstudiedveryhard.=Istudiedveryhard,butIdidn'tpasstheexam.八、辨析：across與throughacross介詞，表示從（表面/內(nèi)部）穿過acrossfrom意為“在……對面”。through穿越，指從（表面/內(nèi)部）穿過，往往指穿過沙漠、森林，(光線)透過窗戶等;through還有"憑借"之意.“四大金花”十、辨析：begoodfor，begoodat，begoodwith與begoodto固定搭配意思例句begoodforDoingmorningexerciseisgoodforyou.begoodatI’mgoodatplayingbasketball.begoodwithHeisgoodwithchildren.begoodtoSheisalwaysgoodtome.十一、辨析：however與buthowever此處用作副詞，意為＂然而；不過＂，可位于句首、句中或句末。一般情況下，當however位于句首時，其后加逗號；位于句末時，其前加逗號；位于句中時，其前后都加逗號。however然而；不過，作副詞However,+句子but但是，作連詞But+句子WearrivedatDisneylandlastSunday，____________，wecouldn’tgetin.A.and B.because C.however D.but十二、辨析：toomany/toomuch/muchtoo許多toomany+（可數(shù)/不可數(shù)）名詞許多toomuch+（可數(shù)/不可數(shù)）名詞太……muchtoo+形容詞辨析：maybe與maybe詞性用法maybe副詞意思是“也許；可能”，常位于（句首/句中）maybe情態(tài)動詞意思是“也許是；可能是”，常位于（句首/句中）例：Hemaybewrong.=.It’s+adj.+（forsb）todosth做某事對某人來說……It’s+adj+（for/of）sb+todosthadj修飾todoadj修飾todoIt’s+adj+（for/of）sb+todosthadj修飾sbadj修飾sb頻度副詞1.概念：頻度副詞表示某一動作或狀態(tài)出現(xiàn)的頻率，即在一定的時間內(nèi)某一動作或狀態(tài)重復(fù)出現(xiàn)的次數(shù)。2.頻度副詞表示的頻率有大小之分。頻度副詞含義頻率總是100%通常80%經(jīng)常，常常60%有時，不時，間或40%幾乎從不，很少20%從來不，未曾，永不0%3.用法：（1）位置：頻度副詞一般置于動詞、動詞或動詞之后，動詞之前。sometimes可位于句首、句中或句末。【口訣：實前be/情/助之后】（2）對頻度副詞(短語)提問要用，即“多久一次”，用于詢問某件事或某項活動發(fā)生的頻率。（3）幾次/幾倍的表達：表示一次用，兩次用，三次及三次以上用基數(shù)詞+times（此時的time作可數(shù)名詞，表示次數(shù)）Eg.一周一次一年三次單元知識點小測一、單項選擇1.Mysistergotobedearlybecausesheneedsalotofsleepeveryday.A.alwaysB.hardlyC.usuallyD.never2.itisraininghard,thefarmersarestillworkingonthefarm.A．Although;but B．Because;but C．Although;/ D．Because;so3.—Iwonder________youwaterthiskindoftree.—Onceaweek.A．howoften B．howlong C．howsoon D．howmuch4.Kateisgood________swimming.Swimmingisgood________herhealth.A．for;at B．a(chǎn)t;for C．for;for D．a(chǎn)t;to5.Janeusuallywalkstoschool,but________shegoestoschoolbybus.A．sometime B．sometimes C．sometimes D．sometime6.It’simportantforus________ahealthylifestyle.A．tokeep B．keep C．keeping D．kept7.Tomstudies______.He______playswithhisfriends.A.hard；hard B.hardly；hardly C.hard；hardly D.hardly；hard8.Themanoftenspendshisfreetime_______withhislittledaughter.A.playing B.toplayC.plays D.play9.______heisill.Sohe______athomenow.A.Maybe；maybe B.Maybe；maybeC.Maybe；may D.May；maybe10.Theoldmanisagoodswimmer,andevennowheoftenswims_______TuojiangRiveraftersupper.A.over B.through C.to D.across11.-Don’ttoolate;youwillfeeltiredinclass.-Iwon't,Mum.A.callupB.wakeupC.stayupD.getup12.Aftertwohours’drive,thedriverdecided_______andhavearest.A.stop B.tostop C.stopped D.stopping13.Hewantsme_______him_______hisEnglish.A.tohelp；with B.help；tostudy C.helping；with D.tohelp；studying14.I_____gotoschoolonfoot.Butyesterday,Itookabustoschool.A.never B.hardly C.seldom D.usually15.Sixty________ofthehousework________donebyrobots.A．percent;are B．percent;is C．percents;are D．percents;is16.Eating________junkfoodmakesher________heavy.A．toomuch,toomuch B．muchtoo,toomanyC．toomuch,muchtooD.manytoo,toomuch17.____heisyoung,____hecanhelpwiththehousework.A．Although,but B．/,/ C．Although,/ D．But,/18.Carrotsare_________food.Theyaregoodforour____________.A．healthy;health B．health;healthy C．healthy;healthyD.heath;heath19.—Howmanytimeshaveyoureadthisnovel?—________.A．Two B．Second C．Threetime D．Twice20.—_________doyouhavedinnerwithyourfamilyatrestaurants？—Hardlyever．A．Howoften B．Howlong C．Howmany D．Howmuch二、用所給詞的適當形式填空21.It’simportantforus_________（learn）aforeignlanguage.22.Jimgotten_________(point)inthebasketballmatch.23.LaoSheisagreat________（write）and