版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
姓名,
名目
Unit1MyClassroom.................................................................1
Conversation.......................................................................................................................................1
Reading................................................................................................................................................1
Newwordsandexpressions................................................................................................................1
ExerciseI..........................................................................................................................................2
ExerciseII..........................................................................................................................................3
ExerciseIII..........................................................................................................................................4
Unit2MySchoolbag.................................................................5
Conversation.......................................................................................................................................5
Reading...............................................................................................................................................5
Newwordsandexpressions...............................................................................................................5
ExerciseI..........................................................................................................................................6
ExerciseII..........................................................................................................................................7
ExerciseIII..........................................................................................................................................8
Unit3MyFriends......................................................................................................................................9
Conversation.......................................................................................................................................9
Reading.............................................................................................................................................9
Newwordsandexpressions...............................................................................................................9
ExerciseI.........................................................................................................................................10
ExerciseII........................................................................................................................................11
ExerciseIII.........................................................................................................................................12
Unit4MyHome........................................................................13
Conversation.....................................................................................................................................13
Reading..............................................................................................................................................13
Newwordsandexpressions..............................................................................................................13
ExerciseI.........................................................................................................................................14
ExerciseII........................................................................................................................................15
ExerciseIII.........................................................................................................................................16
Unit5Dinner'sReady...............................................................17
Conversation.....................................................................................................................................17
Reading..............................................................................................................................................17
Newwordsandexpressions..............................................................................................................17
ExerciseI.........................................................................................................................................18
ExerciseH........................................................................................................................................19
ExerciseIII........................................................................................................................................21
Unit1MyClassroom
Conversation
Sarah:Hey,ZhangPeng.Wehaveanewclassroom.
ZhengPeng:Really,Whai'sintheclassroom?
Sarah:Let'sgoandsee.
ZhengPeng:Il'ssobig.
Sarah:Look!Mypicture!
ZhangPeng:Whereisit?
Sarah:It'snearthewindow.
Reading
MyNewClassroom
Look!Ihaveanewclassroom.Youcanseeateacher'sdesk,aputcr,twopictures,three
windowsandalight.Thisisafishbowl.It'sontheteacher'sdesk.Thepicturesareonthewall.
Youcanseemanydesksandchairs.Pleaseturnonthelightandclosethewindow.Let'scleanour
classroomandputupthepicture.
Newwordsandexpressions
classroom/'kla:sru:m/n.教室ncar/nio(r)/prep.在…四周
blackboard/'bliekbo:d/n.黑板in/in/prep.在…之内
window/'windou/n.窗户under/'Ando(r)/prep.在…外表下
light/lait/n.&adj.电灯;轻的on/Dn/prep.在..之上
wall/wo:1/n.墙壁clean/kli:n/v.清扫adj.洁净的
picture/'plktja(r)/n.图画,照片new/nju:/adj.新的
fan/ficn/n.风扇big/blg'adj.大的
putcr/kompju:to(r)/n.计算机small/sn.0:1/adj.小的
floor/tlo:(r)/n.地板help/help/n.&v.关心
door/do:(r)/n.fjhavehaev/v.拥有
TV/ti:'vi:/n.电视openthedoor开门
fishbowl鱼缸turnonthelight开灯
teacher'sdesk讲台closethewindow关窗子
crayon/'kreion/n.彩色粉笔,蜡笔putupthepicture张贴图画
ExerciseI
一、写出英语。
i.在墙上____________________5.在课桌下____________________
2.在地板上____________________6.在教室里____________________
3.两个鱼缸____________________7.一块黑板____________________
4.三盏电灯____________________8.在电脑四周____________________
二、选择正确的语句。
I.新学期开学了,你想向你的老同学说你们有间新教室,你应当说:()
A.Wchaveanewclassroom.
B.Wehaveanewputer.
C.Wchaveanewblackboard.
2.你想知室里面有什么,你会问:()
A.Whereistheclassroom?
B.Whatisintheclassroom?
C.Isthismyclassroom?
3.你想告知你的同学书在讲台旁边,你会说()
A.Thebookisneartheteacher'sdesk.
B.Thebookisontheteacher'sdesk
C.Thebookisunderteacher'sdesk.
4.你指着墙上你的那幅图画,你会说()
A.Seethepicture.B.It'syourpicture.C.Look!Mypicture.
5.你得到别人的关心后,应当说()
A.Thankyou.B.Excuseme.C.Sorry.
三、完成句子。
1.让我来关心你吧!helpyou!
2.两本书在讲桌上。ontheteacher'sdesk.
3.让我们去看看吧!goandsee!
4.我们有一个大教室。Wehave.
5.电脑旁有三张图画。Threetheputer.
ExerciseII
二、完成句子。
i.课桌上有一个蜡笔。Oneonthedesk.
2.墙上有三幅我们的照片。picturesonthewall,
3.让我们把美丽的图画贴在墙上吧!upthenicepictureonthewall!
4.看!我的新鱼缸在电脑旁。!Mynewfishbowlisthe.
5.教室里有一张新的桌子。Onedesktheclassroom.
6.让我们把教室清扫洁净吧!cleantheclassroom.
7.让我们翻开电扇吧!Letusthefan!
8.让我来开门吧!Letme!
9.两台小电脑在讲台上。putersontheteacher'sdesk.
10.我有一把新椅子。Iachair.
ExerciseIII
一、找出以下每组中不同类的一项。
()1.A.smallB.cleanCputer
()2.
()3.
()4.B.help
()5.
二、连词成句。
1.have,we,new,classroom,(•)
2.the,desk,let.clean,me,G)
3.up,put,picture,the.(.)
4.is,it,near,window,the,(.)
5.what,classroom,is,in,your,(?)
三、完成句子。
1.它在哪里?______isit?
2.让我们擦黑板吧。cleantheblackboard.
3.我们有一个小鱼缸。afishbowl.
4.让我来关心你。______________________you.
5.让我们擦桌子和椅子吧。Let'scleantheand,
6.蜡笔在课桌上。Thecrayonsthedesk.
7.你的书包里有什么?What'syourbag?
Unit2MySchoolbag
Conversation
ZhangPeng:Excuseme.Ilostmyschoolbag.
MissWhite:Whatcolourisit?
ZhangPeng:It'sblueandwhite.
MissWhite:OK.What's:nit?
ZhangPeng:AnEnglishbook,twotoysandanotebook.
MissWhite:Hereitis!
ZhangPeng:Thankyousomuch!
Reading
MyHeavySchoolbag
Ihaveaheavyschoolbag.Intheevening,Iputeverythingaway:aChinesebook,amaths
book,anEnglishbook,fivepens,sixnotebooksandsomekeys.Inthemorning.Iputtheminmy
schoolbag.Mymotherputsomecandiesandacutetoyinmyschoolbag.Itakeoutsomebooksin
theclassroom.Oh,Myschcolbagissoheavy!
Newwordsandexpressions
schoolbag/'sku:Ibieg/n.书包colour/'kAIo(r)/n.颜色
storybook/'sto:ribuk/n.故事书whitc/wait/adj.白色的
notebook/nautbuk/n.笔记本black/bl<ek/adj.黑色的
pen/pen/n.钢笔red/red/adj.红色的
pencil/'pens(a)l/n.铅笔green/gri:n/adj.绿色的
eraser/I'reizo(r)/n.橡皮擦blue/blu:/adj.蓝色的
ruler/'ru:b(r)/n.尺子yellow/'jehu/adj.黄色的
pencilbox铅笔盒cute/kju:t/adj.可爱的
candy/'ksendi/n.糖果lost/lDst".丧失(lose的过去式)
key/ki:/n.钥匙heavy/'hevi/adj.重的
toy/toI/n.玩具light/lait/adj.轻的
really/'ri:ali/int.真的(表惊异)put/put/v.放
guess/ges/v.猜想excuse/ik'skju:s/v.原谅
Chinese/,tfal'ni:z/n.中国人,汉语somuch特别地
English/'Irjglif/n.英语,英格兰人putaway放好,整理
maths/mseGs/n.数学takeout取出
ExerciseI
一、单项选择。
1.I______anewschoolbag.
A.areB.hasC.have
2._____inyourschoolbag?Manybooksandapencilbox.
A.WhatB.What'sC.Where
3.Ihavesome—_____andsome_______inmyschoolbag.
A.toy,candyB.candys,toysC.toys,candies
4.Thepandaisand.
A.red,greenB.yellow,whiteC.black,v/hite
5.Amy______somanystorybooks.
A.isB.haveC.has
二、选择正确的句子补全对话。
A:Hi,Amy.
B:1._____
A:Ihaveanewpcncilbox.
B:2.It'snice.3.
A:Guess.
三、补全句子。
1.对不起,打搅一下。
2.我丢了我的书包。Imy
3.它在这里。
4.它是什么颜色的?____________isit?
5.它是黄色和红色的。Itisand.
6.我有三本故事书,两支钥匙,一支钢笔在书包里。
Ithree,ainmyschoolbag.
ExerciseII
一、写出英语。
1.重的书包____________________6.放好____________________
2.轻的笔记本____________________7.把玩具放在箱子里
3.蓝色铅笔盒____________________
4.绿色橡皮擦____________________8.把铅笔放在电脑旁
5.小的玩具____________________
二、连词成句。
1.colour,what,it,is,(?)
2.a,new,have,I,schoolbag,(.)
3.is,schoolbag,heavy,my,(.)
4.what,your,in,is,pencilbox,(?)
5.blue,white,it,is,and,(.)
三、仿按例子写句子。
E.g.Chinesebook,schoolbagIhaveaChinesebookinmyschoolbag.
1.pencilbox,desk
2.crayons,box
3.storybook,chair
4.pictures,wall
5.toys,floor
ExerciseIII
一、看图画写单词。
Let'sguess!
1.Xiaominghasa,a,
a,an,andainhis.
2.Xiaominghastwo,twoandtwo
inhisschoolbag.
3.Xiaominghasthreeinhisschoolbag.
4.Xiaominghasa.an,a,
fourandfiveinhis.
5.Xiaoming'sschoolbagissoand.
二、单项选择。
1.Putyourmathbookyourdesk.
A.atB.onC.the
2.Letmehelpyou
A.ThankyouB.Hereyouare.C.You'reright.
3.Ihaveanewschoolbas.?Whatcolourisit?
A.GoodB.ReallyC.No
4.Thereare15______inthebag.
A.penB.apenC.pens
5.What'sinyourpcncilbox?
A.Tworulersandapen.B.It'samathsbook.C.Abag.
三、阅读短文,依据短文内容推断以下句子的对错,对的在括号里写"T",错的写"F”。
Look!Thisismynewschoolbag.It'sbig.It'sblueandwhite.IhaveanEnglishbook,a
Chinesebook,amathbook,threenotebooksandapencilboxinit.Inmypencilbox,youcanseea
ruler,twopens,sevenpencilsandanotebook.Oh,whereismyschoolbag?It'sonmychair.
()1.Myschoolbagissmall.
()2.1havethreeChinesebooks.
()3.Mypencilboxisinmyschoolbag.
()4.Therearesixpencilsinthepencilbox.
()5.Theschoolbagisonthechair.
Unit3MyFriends
Conversation
Mike:Hi,John.Ihaveagoodfriend.
John:Aboyoragirl?
Mike:Aboy.Heistallandthin.
John:Whoishe?ZhangPeng?
Mike:No.Hehasglassesandhisshoesareblue.
John:IsheWuBinbin?
Mike:Yes.You'reright.
Reading
MyGoodFriend
Thisismygoodfriend.HernameisLinda.SheisaBritish.Sheistallandpretty.Shehas
longblackhair,bigeyesandsmallears.Shehasabluehatandyellowshoes.Sheisfriendlyand
quiet.Sheisacutegirl.Welikeherverymuch.
Newwordsandexpressions
friend/frend/n.伴侣friendly/'frendli/adj.友好的
hat/hact/n.带沿的帽子quiet/'kwaiat/adj.宁静的
cap/keep/n.棒球帽strong/strDg/adj.强壮的
shoe/fu:/n.鞋子pretty/priti/adj.美丽的
hair/he9(r)/n.头发his/hiz/pron.他的
glasses/19la:siz/n.眼镜her/h3:(r)/pron.她的
tall/to:1/adj.高的our/-aua(r)/pron.我们的
fat/fait/adj.胖的thcir/dco(r)/pron.他们的
thin/Oin/adj.瘦的or/o:(ri/conj.或者
long/lDg/adj.长的righl/rait/adj.正确的
short/f□:t/adj.短的,矮的wrong/rDij/adj.错误的
brown/braun/adj.褐色的
orange/'Drind3/adj.橘色的
ExerciseI
一、找出以下每组中不同类的一项。
()1.A.shortB.strongC.toy
()2.A.quietB.friendlyC.sister
()3.A.shoesB.chairC.glasses
()4.A.greenB.blackC.hat
()5.A.windowB.hairC.floor
二、用has/is填空。
1.He___fat.
2.She_____whiteglasses.
3.He—__short.
4.She一___quiet.
5.He_yellowshoes.
三、连词成句。
I.his,wha【's,name,(?)
2.red,a,cap,he,has,(.)
3.is,she,and,tall,friendly,(.)
4.has,blue,he,shoes,black,schoolbag,and,(.)
5.(all,hethin,is,and,(.)
6.is,who,she,(?)
7.is,she,quiet,and,glasses,has,(.)
ExerciseII
一、写出英语。
i.一个英国人__________________5.大眼睛__________________
2.小耳朵__________________6.短黑发__________________
3.长棕发__________________7.可爱的男孩__________________
4.美丽的女孩__________________8.我的好伴侣__________________
二、选择正确的语句。
1.你想知道“他是吴一凡吗?〃,可以这样问:()
A.IsheWuYifan?
B.HeisWuYifan.
2.你的伴侣很友好,你介绍她时可以这样说:()
A.Sheisquiet.
B.Sheisfriendly.
3.你想向别人介绍你的好伴侣,第一句话可以这样说:()
A.Sheismygoodfriend.
B.Sheispretty.
4.你想告知别人他的猜想是时的,可以这样说:()
A.Letmehelpyou.
B.Yes,you'reright.
5,你想描述一个人穿一双橘色的鞋子,戴一顶蓝色的帽子可以这样说:()
A.Heisanorangeshoesandabluehat.
B.Hehasanorangeshoesandabluehat.
三、先用彩笔着色再描述一以下图中的小女孩。
Thisismygoodfriend.HernameisKitty.
1.Shehashair.
2.Shehaseyes,noseandcars.
3.Shehashat.
4.Sheisin.
5.Sheisand.
ExerciseIII
一、先用彩笔着色再描述一以下图中的小男孩。
Thisismygoodfriend.HisnameisSuperman.
I.Hehashair.
2.Hehasnose,mouthandears.
3.Hehasshoes.
4.Heisin.
5.Heisand.
二、选择恰当的语句补全对话。
Mike:Dad,Ihaveanewfriend.
Dad:_____A.Really?
Mike:Yes,aBritishfriend.B.Howoldishe?
Dad:_____C.Aboyoragirl?
M汰e:Heisaboy.D.Whatcolourdoeshelike?
Dad:_____E.What'shisname?
Mike:HisnameisTom.
Dad:_____
Mike:Heis10.
Dad:_____
Mike:Helikesgreen.
三、阅读短文,依据短文内容推断以下句子的对错,对的在括号里写,错的写"F〃。
Thisismygoodfriend.HernameisLily.Sheistallandthin.Sheisquiet.Shehasbigeyes
andlonghair.Sheistenyearsold.Shelikeswhiteandblue.ShelikesChineseverymuch.Sheis
veryfriendly.
()1.Lilyisshort.
()2.Lilyhasshorthair.
()3.Lilyisnineyearsold.
()4.ShelikesEnglish.
()5.Lilyisafriendlygirl.
Unit4MyHome
Conversation
Mike:Hi,John.WhereisAmy?Issheinthestudy?
John:Yes,sheis.Let'sgotothestudy.
Amy:Hi,JohnandMike.Howarcyou?
Mike:Fine,thankyou.Andyou?
Amy:I'mfine,too.Let'sreadabook!
John:OK.
Reading
MyHome
Thisismyhome.Ithasonelivingroom,onestudy,onekitchen,onebalcony,twobathrooms
andthreebedrooms.Ilikethelivingroomthebest,becauseanewTV,atelephone,asofa,afridge
andmanypicturesareinit.Oh!Wherearemykeys?Ican'tfindthem.Thekeysareonthetable
inthelivingroom,too.WcwatchTVinthelivingroomandliketheroomverymuch.
Newwordsandexpressions
home/houin/n.家read/ri:d/v.阅读,朗读
bedroom/'bedru:m/n.卧房slccp/sli:p/v.睡觉
livingroom/'liviijru:m/n.客厅eal/i:t/v.吃
bathroom/'ba:Oru:m/n.浴室go/gou/v.去
diningroom餐厅breakfasi/'brekfost/n.早餐
study/'stAdi/n.&v.书房;学习Iunch/1Antf/n.午餐
kitchen/'kitfIn/n.厨房dinner/'dins(r)/n.晚餐
balcony/'b;elkani/n.阳台readbooks看书
bed/bed/n.床havesnacks吃零食
fridge/fn(I3/n.冰箱watchTV看电视
phone/foun/n.takeashower淋浴
table/'teib(o)l/n.桌子takeabath洗澡
sofa/'soufo/n.沙发haveasnap打个盹
find/faind/v.找至lj
(hem/dem/pron.他们(它们)
ExerciseI
一、填入适当英文单词,使房间和活动匹配。
1.gotothe___________________to看电视____________________
2.gototheto打个盹
3.gotothe___________________to洗澡____________________
4.gotothe___________________to看本书____________________
5.gotothe___________________to吃零食____________________
二、单项选择。
I.Isthisyourbedroom?
A.Yes,theyare.B.Yes,itisn't.C.Yes,itis.
2.Isheinthebathroom?
A.Yes,itis.B.Yes,heis.C.Ye5,ishe.
3.Whereisyourmother?
A.Yes,sheis.B.Sheisinthehome.C.Shsisinthekitchen.
4.Arethekeysinthedoor?.
A.Yes,itisn't.B.Yes,itis.C.Ycs,theyarc.
5.Let'splantflowersinthe_____.
A.balconyB.livingroomC.kitchen
三、用are/is填空。
I.WhereWuBinbin?
2.Sheinthestudy.
3.Wheremyhome?
4.Mymotherandmyfather_____in(hekitchen.
5.Whatinthediningroom?
6.Theynearthewindow.
7.Whatcolourit?
8.Twopicturesonthewall.
9.Onebookonthedesk.
10.Wherethey?
ExerciseII
一、找出以下每组中不同类的一项。
()1.A.phoneB.fridgeC.kitchen
()2.A.booksB.breakfastC.pens
()3.A.yellowB.sofaC.TV
()4.A.tableB.chairC.cap
()5.A.livingroomB.balconyC.bed
二、连词成句。
1.keys,are.where,my,(?)
2.sofas,three,livingroom,are,in,the,(.)
3.(he.is,chair.in.kitchen,the,(.)
4.where,phone,is,my,(?)
5.she,is,at,home,(.)
三、仿按例子写句子。
E.g.kitchen,havesnacksIgotothekitchentohavesnacks.
1.study,readabook
2.bedroom,sleep
3.diningroom,eatdinner
4.livingroom,watchTV
5.bathroom,takeashower
ExerciseIII
一、看图画写单词。
1.Thisismy.Wshaveone,one.
oneandone.
2.Four,oneandone
inthediningroom.
3.Wc,andinthe
diningroom.
4.Inthelivingroom,oneonthewall.
Theisnearthe.Oneisbetweenchairs.
5.We_____________________andinthebedroom.
二、重新排列对话,使其成为意思完整,通顺的对话。
()1.Look!Sheisinthekitchen.
()2.Whereisshe?
()3.No,sheisn't.
()4.No,sheisn't.
()5.Issheinthestudy?
()6.ihaveacat.Sheiscute.
()7.Mmm.Issheinthelivingroom?
三、阅读短文,依据短文内容推断以下句子的对错,对的在括号里写"T",错的写“产o
Hello,I'mLily.Wclctomyhome.Thereisalivingroom,threebedrooms,twobathrooms,a
studyandakitchenatmyhome.Look!MymotherandmyfatherarcwatchingTVonthesofain
thelivingroom.Hereismystudy.Youcanseemanybooksandaputerinit.Mybrother,sister
andIdohomework[做作业)here.Weareallhappy.
()1.Fourpeopleareinmyfamily.
()2.Twobedroomsarcatmyhome.
()3.Youcanseemanybooksandaphoneinmystudy.
()4.Lilydoeshomeworkinthelivingroom.
()5.Wcarchappy.
Unit5Dinner'sReady
Conversation
John'smother:Whatwouldyoulikefordinner,John?
John:I'dlikesomebeefandnoodles,please.
John'smother:Dinner'sready!
John:Thankyou.Mom.
John'smother:Wouldyoulikeaforkandaknife?
John:Yes,thanks.Andpleasepassmechopsticks.
John'smother:Hereyouare.
Reading
Today'sSpecials
Herearctoday'sspecials.Wchavechicken,beefandfish.Wouldyoulikesomejuiceorsoup?
Hereisthemenu.Fiveyuanisforjuiceand15yuanisforsoup.Hereareforksandknives.You
canusetheknifetocutthemeatandspoontocatsoup.Dinner'sready.Helpyourself.
Newwordsandexpressions
beef/bi:f7n.牛肉menu/'menju:/n.菜单
chicken/'tfIkin/n.鸡,鸡肉bill/bi1/n.账单
fish/fif/n.鱼,鱼肉chopsticks/'(fDpstiks/n.筷子
noodle/'nu:d(o)l/n.面条fork/fo:k/n.叉子
rice/rais/n.米饭spoon/spu:n/n.勺子
soup/su:p/n.汤knife/nalf/n.刀子
vegetable/vedjtab(a)l/n,蔬菜bowl/bou1/n.碗
salad/'stclod/n.沙拉pass/pa:s/v.传递
pizza/'pi:tsa/n.披萨try/trai/v.试用
hamburger/'hiemb3:ga(r)/n.汉堡包cut/kAt/v.切
juice/dju:s/n.果汁use/ju:z/v.使用
dessert/di'z3:t/n.(饭后)甜品ready/'redi/adj.预备好的
specials/'spefolz/n.特价专区helpyourself请自便
ExerciseI
二、连词成句。
1.would,what,like,you,eat,to,(?)
2.rd,like,beef,juice,and,some,(.)
3.you,like,would,noodles,some,(?)
4.would,afork,you,like,and,aknife,(?)
5.like,I,would,vegetables,some,(.)
三、重新排列对话,使其成为意思完整,通顺的对话。
()1.Goodevening.Whatwouldyouliketoeat?
()2.Wouldy
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 2025中国国际海运集装箱(集团)股份有限公司招聘笔试历年参考题库附带答案详解
- 2026 五年级上册音乐《弹吉他分解》课件
- 2026九年级下《锐角三角函数》解题技巧
- 2026二年级上《100以内的加法》考点真题精讲
- 2026年思维导图高效记单词
- 多模态智能语音识别与理解系统合同合同二篇
- 客户差评挽回处理方案
- 核医学科辐射安全管理规定
- 外墙幕墙接口施工组织方案
- 月嫂辅食添加安全流程指引
- 安徽省合肥市合肥第一中学2022-2023学年高一下学期期末物理试题
- 人教版三年级数学下册教案(表格式)【全册】
- 加氢裂化题库
- 信号与动态测量系统
- 中医诊断学局部望诊
- 奏响“民族的声音”-《捷克的原野和森林》
- 数字信号处理第三版第二章
- 施工升降机安拆及使用作业活动风险分级管控清单
- 2023年职业中专美术教师招聘考试题目另附答案
- 太钢不锈冷轧厂简介
- 电磁感应中“单、双棒”问题归类例析
评论
0/150
提交评论