译林版新教材小学三年级英语下册Unit-2-Clean-our-classroom知识梳理及语法讲练

Unit2Cleanourclassroom单元知识清单+巩固练习一、重点单词：our我们的close关，关闭classroom教室，课堂sweep打扫，清扫chair椅子clean洁净的，干净的window窗，窗户let让floor地板，地面us我们desk课桌，书桌dirty肮脏的blackboard黑板keep（使）保持，处于二、重点短语：closethewindow关窗户putawaythebooks将书收起来cleantheblackboard擦黑板cleanthechair擦椅子sweepthefloor扫地cleanthedesk擦桌子closethedoor关门putaway将……收起，把……放回原处ourclassroom我们的教室keepclassroomclean保持教室干净yourdeskandchair你的桌子和椅子deskisdirty书桌是脏的三、重点句型：1.Ourclassroomisbigandnew.我们的教室又大又新。2.Let’skeepitcleanformeandyou.为了我和你，让我们保持教室干净。3.—Let’scleanourclassroom!—Goodidea!—让我们打扫我们的教室吧！—好主意！4.—Pleasecleanyourdeskandchair,Max.—OK.—请收拾好你的书桌和椅子，马克斯。—好。5.Look!Thatdeskisdirty!看！那张书桌很脏！—Icancleantheblackboard.—Metoo!—我可以擦黑板。—我也是！7.—Let’sputawaythebooks,YangLing.—Allright.—让我们把书收起来吧，杨玲。—好的。8.—Ourclassroomiscleannow.—Yes.Let’skeepitclean.—我们的教室现在干净了。—是的。让我们保持教室干净吧。四、重点句型讲解：1.让我们干什么的句型。Let’scleantheclassroom.让我们打扫教室吧。解析：let’s是letus的缩写形式，意为“让我们”。let’s后面要用动词的原形，表示让我们干什么吧。2.请求别人做某事的句型。Pleaseclosethewindow,Mike.迈克，请把窗户关上。解析：在表达请求时，我们应该说please,以表示礼貌。巩固练习：一、根据首字母和图片提示填单词，补全句子。1.Look!Yourdeskisd________.2.Let’skeepourc________clean.3.Marycancleanthew________.4.Icans________thefloor.5.Pleasec________thedoor.二、短语英汉互译。1.关窗户____________2.putawaythebooks____________3.擦黑板____________4.ourclassroom____________5.擦椅子____________6.keepclassroomclean____________7.关门____________8.sweepthefloor____________9.擦桌子____________10.putaway____________三、连词成句。1.put,your,away,books,Peter,Please(,.)________________________________________2.sweep,Let’s,the,floor(.)________________________________________3.close,please,the,window,YangLing(,,.)________________________________________4.classroom,is,Our,now,clean(.)________________________________________5.clean,I,the,can,blackboard(.)________________________________________四、情景选择。()1.Lily看到爸爸正在擦窗户，她也想帮忙，她会这样说：____A.Icancleanthedesktoo.B.Icancleanthewindowtoo.()2.Coco看见姐姐Cici正在把书收到书架上，她也想和姐姐一起，她会这样说：____A.Let'ssweepthefloortogether.B.Let'sputawaythebookstogether.()3.Lily看见奶奶正在擦桌子，她连忙也拿起抹布，她会这样对奶奶说：____A.Letmehelp(帮助)youcleanthetable,Grandma.B.Letmehelpyoucleanthedoor,Grandma.()4.Lily看见妈妈正在扫地，她也拿起扫帚，她会这样跟妈妈说：____A.Icansweepthefloortoo.B.Icancleanthechairstoo.()5.大扫除结束了，看着焕然一新的家，Coco高兴地和大家说：____A.Nowtheroom(房间)isdirty.B.Nowtheroomisclean.参考答案一、1.dirty2.classroom3.window4.sweep5.close二、1.closethewindow2.将书收起来3.cleantheblackboard4.我们的教室5.cleanthechair6.保持教室干净7.closethedoor8.扫地9.cleanthedesk10.将……收起，把……放回原处三、1.Pleaseputaw