Unit4Where'smyschoolbag?第一课时SectionA(1a～1c)1．方位介词on，in，under的用法on，in，under三者都是方位介词，后跟名词或代词构成介词短语，表示所处的不同位置。(1)on“在……上”，指一物体在另一物体的表面上。(2)in“在……里面”，指一物体在另一物体的内部。(3)under“在……下”，指一物体在另一物体的正下方，两物体不接触。表示某物或某人在某方位时，常用句型为：主语(人或物)＋am/is/are＋介词短语(表地点)。2．Where'smyschoolbag？我的书包在哪？这是由where放在句首引导的特殊疑问句。where是特殊疑问词，意为“在哪儿，在哪里”，用来询问某人或某物所在的位置。句型结构为：Where＋is/are＋主语(人或物)？意为“某人或某物在哪儿？”回答时不用yes或no，应用句型：主语＋is/are＋表示地点的介词短语。主语一般用it(he，she)或they来代替问句中的单数或复数主语。一、根据句意及图示，用恰当的介词填空。1．Thedogis_____thebox.2．Thequiltis____thebed.3．Bob'spencilboxis___thedeskandhisschoolbagis______thedesk.4．Herbooksare_____thebookcase.5．Lily'swatchis_______thechair.ononunderinunderinCC二、单项选择。6.—Whereareyourbooks?—______onthesofa.A．It'sB．TheyC．They'reD．It7．—Aretheerasersinthebox?—No，______．A．itisn'tB．itisC．theyaren'tD．theyare8．—______ismywatch?—It'sonthedesk.A．HowB．WhereC．WhoD．What9．—Whereareher______？—______areonthetable.A．key，ItB．keys，TheyC．keys，ItD．key，TheyBB10.—Whereisyourpen?—It's______thedesk.A．inB．ofC．underD．onCunderthesofa三、根据句意及汉语提示完成句子。11．Isherdictionary_________________(在沙发下)?12．—Wherearemybooks?—They're__________________(在课桌内)．13．Your_____________(电脑游戏)is_______________(在书柜上)．14．—Where'smypen?—It's________________(在椅子上)．15．—Whereismyschoolbag?—It's___________________(在床上)．inthedeskcomputergameonthebookcaseonthechaironthebed四、按要求完成句子。16．Thecomputerisonthetable.(改为一般疑问句)_____thecomputer________thetable?17．Hiskeysarein_the_bag．(对画线部分提问)__________hiskeys?18．The_keyisonthetable.(对画线部分提问)___________onthetable?19．Therulerisinthepencilbox.(改为一般疑问句)___________inthepencilbox?20．Isitinyourbag？(作否定回答)________，it_______．IsonWhereareWhatisIstherulerNoisn't五、找出句中的错误并改在后面的横线上。21．,)—,)WhatAis,)yourBbook？,)—It's,)onthedeskC.,)_______________22．,)ExcusemyA，,)where'sBmyeraserC？,)__________________23．,)—,)WhereareAmy,)keyB？,)—,)They'reConthechair.,)_______________A→WhereA→ExcusemeB→keys24．,)ItisAinByouCschoolbag.,)___________________25．,)YourAwatch,)isBunderthe,)safaC.,)_______________C→yourC→sofa
