第2讲三年级下学期英语3BUnit1（下）教案

课程主题：3BUnit1（下）知识梳理授课时间：学习目标掌握what’s提问句和祈使句教学内容【进门测试】建议5min一、选出下列单词中不同属性的一项。

(

)1.A.ball

B.bag

C.open(

)2.A.door

B.close

C.window

(

)3.A.out

B.eraser

C.blackboard

(

)4.A.listen

B.talk

C.robot

(

)5.A.window

B.class

C.student

二、改写句子：根据中文提示完成下面的句子，每个横线填写一个单词。1.请把门打开，海伦。__________________________the_____________,Helen.2.请看黑板，同学们。Please_____________atthe_____________,class.3.不要开窗，迈克。Don’t_____________the_____________,Mike.4.请听老师讲解，苏海。_______________________________________theteacher,SuHai.5.请坐并把书打开。Sit_____________andopenyour_____________.三、连线。1.A.window2.B.balls3.C.blackboard4.D.robot四、连词成句。1.door,open,the,YangLing2.your,close,look,and,the,book,blackboard,at3.close,don’t,window,the,Mike4.at,blackboard,look,the,Sam5.please,the,listen,teacher,to答案：一、1.C2.B3.A4.C5.A二、1.D2.A3.B4.C三、1.Please,open,door2.look,blackboard3.open,window4.Please,listen,to5.down,book四、1.Yangling,openthedoor.2.Closeyourbookandlookattheblackboard.3.Mike,don’tclosethewindow.4.Lookattheblackboard,Sam.5.Pleaselistentotheteacher.【多元导学】建议10min看图，选择与图片相符的对话。源:学,科,网Z,X,X,K][]A.What’sthis?Ihaveonebook.B.Pleaseopenyoubook!Ok!C.Standup,please.Hello,teacher.【互动精讲】建议70min知识点一Cartoontime——Checkouttime一、词组1.listentome听我说 2.listentotheteacher听老师讲解3.listentotheparrot听鹦鹉说 4.lookattheblackboard看黑板5.lookatme看着我 6.twobigbooks两本大书 7.lookandsay看和说 8.openthebook打开书 9.closethebook合上书 10.Bobhas鲍伯有句子What’sthis?这是什么？It’sarubber.它是一块橡皮。Openthedoor,please.请开门。 Yes,MrGreen.是，格林老师。Pleaseclosethewindow.请关窗。OK,MissLi.好的，李老师。Don’tlistentotheparrot.不要听鹦鹉说。打开你的书本，说“你好”。 Openyourbookandsay“Hello!”合上你的书本，我们走吧。 Closeyourbookandoffwego!三、语法（1）询问“这/那是什么？”的句型及其答句—What’sthis/that?—It’s…（2）Don’t引导的祈使句结构：①Don’t+动词原形+其他。②Don’tbe+其他。例如：Don’tlistentotheparrot.不要听鹦鹉的。Don’tbelate.不要迟到。（3）“某人有某物”的表达主语+have/has…have/has的意思是“拥有”。主语是三单的时候要用has。例如：Bobhastwobig,bigbooks.鲍勃有2本大大的书。lookat看着例如：1.Lookatthejacket. 2.Lookatme.3.Look！Thisismynewskirt.listento例如：1.Listentotheparrot.Listentotheteacher.3.Listen！That’sdad’scar.【同步练习】一、单项选择1.()It’ssohot(热的).______thewindow,please.21·cA.Close B.Open C.Stand答案：B2.()Theboxisforyou._______itandsee!A.Open B.Close C.Look答案：A3()I’dlikeanicecream.___________thefridge（冰箱）,please.Close B.Lookat C.Open答案：C以上三题均需根据情境选择。4.()Don’t_______toMike.A.look B.listen C.open答案：B，能和to搭配的词，这里是listento二、连词成句1.your,close,look,and,the,book,blackboard,at(.)2.please,the,listen,teacher,to(.)答案：Closeyourbookandlookattheblackboard.2·1·c·n·j·yPleaselistentotheteacher.词组的顺序要符合情境。Please在前无标点，please在后用逗号隔开。【课堂检测】建议15min一、写出下列词语的英文意思。1.一扇门___________________2.一扇窗户__________________3.一块黑板__________________4.打开______________________5.开门______________________6.关上窗户_________________7.把书打开___________________8.把书合上_________________二、看图将下列单词补充完整。1.c_as_2.wi_d_w3._ob_t4.d__r三、选择题。()1.________,I’mlate.A.SorryB.e()2.______that?A.What’sB.What()3.Susan,______openthedoor.A./B.please()4.Don’tlisten_____Susan.A.inB.to()5.Look____theblackboard.A.inB.at四、选词填空。

1.Goodmorning,_______.(class,glass)

2.Sit_____,please.(in,down)

3.Sam,______closethewindow.(please,thanks)

4.Don’t______toBob.(look,listen)

5.I’mhot,please_____thedoor.(open,close)五、写句子。1.早上好，妈妈。2.迈克，请关上门。3.请看黑板。4.马克，请把窗户打开。5.不要听玛丽的。参考答案：一、1.adoor2.awindow3.ablackboard4.open5.openthedoor6.closethewindow7.openthebook8.closethebook二、1.class2.window3.robot4.door三、1.A2.A3.B4.B5.B四、1.class2.down3.please4.listen5.open五、1.Goodmorning,mum.2.Mike,pleaseclosethedoor.3.Pleaselookattheblackboard.4.Mark,pleaseopenthewindow.5.Don’tlistentoMary.【要点回顾】建议15min课堂错题收集学霸笔记本：教师引导学生借助知识脑图总结重难点，培养学生复习习惯【温故知新】建议5min一、将下列单词或短语补充完整，并写出其中文意思。(8分)1.cl___s___()2.pl______se()3.w___nd___w()4.s______ry()5.d______r()6.___p___n()7.r___bb___r()8.p___rr___t()答案：1.close关/class课2.please请3.window窗户4.sorry对不起5.door门6.open开7.rubber橡皮8.parrot鹦鹉二、翻译词组。（5分，每题1分）1.起立2.坐下______________3.开门4.关窗_____________5.进来______________答案：1.standup2.sitdown3.openthedoor4.closethewindow5ein三、单项选择：(5分)()1.Looktheblackboard,Mike.Yes,MissLi.A.atB.onC./()2.What’sthis?It’s________.A.doorB.adoorC.andoor()3.Pleaseclosethewindow.________.21*cnjy*A.Thankyou.B.Yes,Mr.Green.C.I’msorry.()4.Therubberisforyou,Mike.________.A.Goodbye.B.Thankyou.C.OK.()5.Don’tlisten_______Sam,Bobby.OK.A./B.forC.to答案：1、A2、B3、B4、B5、C四、根据所给情景，选择正确的答案。(10分)()1、妈妈叫你把窗户打开，她会对你说：A.OpenthewindowB.Openthedoor,please.()2、当你迟到了，你应该对老师说：A.Yes,Mr.Green.B.I’msorry,MissLi.()3、老师叫你不要把窗户打开，你会回答道：A.OK.B.Yes,please.()4、你想知道这是什么，你会问：A.It’sarubber.B.What’sthis?()5、爸爸叫你不要打开门，他会对你说：A.Openthedoor.B.Don’topenthedoor.()6、好朋友请我帮助他开门，他应该说:A.Openthedoor,please.B.Openthewindow,please.C.Closethedoor,please.D.Thankyou.()7、当踢完足球满头大汗进教室时，我请我同桌:A.Closethewindow.B.Openthewindow.()8、同学David帮助我关门后，我对他说：A.Closethedoor.B.Thankyou.C.Yes,David【来源：21·世纪·教育·网】()9.上课了，值日班长说：A.Standup.B.Sitdown.()10.你去老师办公室，老师对你说：A.ein,please.B.I’msorry,MissLi.答案：1.B2.B3.A4.B5.B6.A7.B8.B9.A10.A五、根据所给问题选择合适的答句.（5分）()1.Goodbye,MrGreen.A.Goodbye,LiuTao.B.Goodevening,LiuTao.()2.Lookatmyjacket.A.It’sabook.B.Hownice.()3.Happybirthday!A.HappyNewYear!B.Thankyou.()4.What’sthis?A.Yes,MrGreen.B.It’sawindow.()5.Whatcolourisit?A.It’sred.B.It’sarubber.答案：1.A2.B3.B4.B5.A六、连线。（5分）1.Openthedoor.进来。2.Closethewindow.坐下。3.Standup.关上窗户。4.Sitdown.开门。5.ein.起立。答案：略。七、从右栏中选出与左栏相对应的答语，将其序号填入题前括号内。(10分)()1.Whatcolouristhewindow?A.Sitdown,please.21()2.Standup,please.B.It’sarobot.21·世纪*教育网()3.What’sthis?C.Goodmorning.()4.Goodmorning.D.OK,MissLi.()5.Don’topenthebook.E.It’syellow.()6.Whataboutacake?F.It’snice.()7.Hello,LiuTao.G.Nicetomeetyou,too.21cnjy()8.Nicetomeetyou.H.Thankyou.()9.Thebookisforyou,Helen.I.Hello,Mike.【来源：21cnj*y.co*m】()10.Lookatmycap.J.Yes,please.21*cnjy*答案：1.E2.A3.B4.C5.D6.K7.J8.H9.I10.F八、根据上下文提示完成对话（填序号）。(6分)A.ballB.WhatC.afternoonD.blackboardE.colourF.blackA:Good_________.B:Goodafternoon.A:Lookatthe