形空的精選

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在紙上剪一個很小的“△”形空,讓太陽光垂直照*到“△”形孔上,那麼地面上形成的光斑是(  )A.“▽”形的  ...

在紙上剪一個很小的“△”形空,讓太陽光垂直照*到“△”形孔上,那麼地面上形成的光斑是(  )A.“▽”形的  ...

2020-07-21
問題詳情:在紙上剪一個很小的“△”形空,讓太陽光垂直照*到“△”形孔上,那麼地面上形成的光斑是()A.“▽”形的  B.圓形的  C.“△”形D.無法確定【回答】B解:因為太陽離地面非常遠,而小孔又非常小,所以該現象為小孔成像,即形...
在紙上剪一個很小的“△”形空,讓太陽光垂直照*到“△”形孔上,那麼地面上形成的光斑是(  )A.“▽”形的 B...

在紙上剪一個很小的“△”形空,讓太陽光垂直照*到“△”形孔上,那麼地面上形成的光斑是(  )A.“▽”形的 B...

2019-09-05
問題詳情:在紙上剪一個很小的“△”形空,讓太陽光垂直照*到“△”形孔上,那麼地面上形成的光斑是()A.“▽”形的 B.圓形的    C.“△”形     D.無法確定【回答】B【考點】光在均勻介質中直線傳播.【分析】因為是很小...
完形填空。   NaturalresourcesarethingsthatweusethatcomefromE...

完形填空。   NaturalresourcesarethingsthatweusethatcomefromE...

2020-03-16
問題詳情:完形填空。   NaturalresourcesarethingsthatweusethatcomefromEarth. Outnaturalresourcesarelimited(有限的). Thismeansthattheywillnot  1  forever. Somearerenewable,likewhenyouplantanewtree...
完形填空MylittlesisterisinGradeEightthisyear.Herfavoritesub...

完形填空MylittlesisterisinGradeEightthisyear.Herfavoritesub...

2021-04-18
問題詳情:完形填空MylittlesisterisinGradeEightthisyear.Herfavoritesubjectismath,butshewasnotgood  1   it.Oneday,afriendofmyfather’sfromAmerica  2   himsomepicturesaboutAmericaand  3  usto...
完形填空AthousandyearsagoHongKongwascoveredbyathickforest.A...

完形填空AthousandyearsagoHongKongwascoveredbyathickforest.A...

2020-08-03
問題詳情:完形填空AthousandyearsagoHongKongwascoveredbyathickforest.Asmoreandmorepeoplecameto  1 inHongKong,thesetreeswerecutdownandbu.Nowthereis  2  forestleft,thoughtherearestillsomesmallareasc...
完形填空 Manyparentswanttheirchildrentobefamousoneday.Butdo...

完形填空 Manyparentswanttheirchildrentobefamousoneday.Butdo...

2020-06-22
問題詳情:完形填空 Manyparentswanttheirchildrentobefamousoneday.Butdochildrenhavethesame___1__?Anew__2__—Hi,Ke'aiisonatBeijingChildren'sArtTheatre.IttellsthestoryofaboycalledKe'ai.Hisparentswouldli...
完形填空Charliecamefromapoorvillage.Hisparentshad

完形填空Charliecamefromapoorvillage.Hisparentshad

2020-09-08
問題詳情:完形填空Charliecamefromapoorvillage.Hisparentshad__1__moneytosendhimtoschoolwhenhewasyoung.Theboywasverysad.Mr.Kinglivednexttohim.Hefoundtheboy__2_andhadpityonhimandlentsomemoneytohim.Sotheboy...
完形填空。Almosteveryone

完形填空。Almosteveryone

2021-11-14
問題詳情:完形填空。Almosteveryone__1__themeaningsofMr,MrsandMiss.Mrisusedbeforethefamilynamesofmen.Mrsisformarried(結婚的)womenandMissisforunmarriedwomen.But__2__isMs?Somebusinessmen(商人)intheUnitedSta...
完形填空ThanksgivingisanAmericanfestival.Itiscelebrated

完形填空ThanksgivingisanAmericanfestival.Itiscelebrated

2020-02-06
問題詳情:完形填空ThanksgivingisanAmericanfestival.Itiscelebrated__1__thefourthThursdayinNovember.Itisatimeforaspecialdinneramongfamilyandfriends.Peoplemakeshortspeechesandgivethanksfortheirfood.Wehavec...
完形填空。

完形填空。

2021-07-10
問題詳情:完形填空。__1  nameisKangkang.I 2  astudentinNo.2MiddleSchool.Iam 3 ClassOne.MyEnglishteacherisMrsGao.JaneandMaria 4  goodfriends.Janeis 5  England.MariaisfromAmerica.TheyareinNo....
完形填空Oncetherelivedtwobrothers.TheelderwascalledSimonand...

完形填空Oncetherelivedtwobrothers.TheelderwascalledSimonand...

2020-09-26
問題詳情:完形填空Oncetherelivedtwobrothers.TheelderwascalledSimonandtheyoungerVictor.They1eachotherverymuch,andalwaystookcareofoneanother.Everydaytheyworkedfrommorning2night,gettingasmuchgrain(穀物)asp...
完形填空Manystudentslike

完形填空Manystudentslike

2020-04-03
問題詳情:完形填空Manystudentslike________(1)verymuch.But________(2)MondaytoFriday,theymustgotoschool.SoonSaturdayandSundaythey________(3)athomeandwatchTVfrommorningtonight.Theydon'tknowit'sbadfortheir...
 完形填空 MrMillerownedabigshopinthemainstreetofasmalltown....

 完形填空 MrMillerownedabigshopinthemainstreetofasmalltown....

2020-03-13
問題詳情: 完形填空 MrMillerownedabigshopinthemainstreetofasmalltown.Hesoldjewelry(珠寶),watches,clocksandsome__1___things.Everythingwent__2____andhemadelotsofmoney.Butlastmonth,somethieves__3_____int...
完形填空。Markwasafarmer.Helivedinavillagefaraway.Onedayhebe...

完形填空。Markwasafarmer.Helivedinavillagefaraway.Onedayhebe...

2020-03-27
問題詳情:完形填空。Markwasafarmer.Helivedinavillagefaraway.Onedayhebecameveryillandeveryoneknewhewould1soon.Theysentforadoctor.Twodays2thedoctorcameandexaminedthesickman.3askedforapenandsomepapertowrit...
完形填空

完形填空

2019-08-05
問題詳情:完形填空_1 thepopulationofChina?Therearemorethan1.3billionpeopleinChina.Itisalmostonefifthoftheworld’spopulation.Howtocontrol(控制)thepopulationgrowthisabigproblem.Somepeoplethink 2 tocont...
完形填空。Agoodmemoryisagreathelpinlearningalanguage.Everybo...

完形填空。Agoodmemoryisagreathelpinlearningalanguage.Everybo...

2020-04-07
問題詳情:完形填空。Agoodmemoryisagreathelpinlearningalanguage.Everybody  1 hisownlanguagebyrememberingwhathe  2  whenheisasmallchild.Someboysandgirlswholiveinforeigncountries  3 theirparentss...
完形填空Iamastudent.My

完形填空Iamastudent.My

2020-08-29
問題詳情:完形填空Iamastudent.My__1__nameisDavid.MylastnameisMiller.Look!Thisisaphoto__2__myfamily.Thisis__3_father.Hisfavorite(最喜愛的)__4__iswhite.Myfavoritecoloris __5_,too.Andthisismymother.Who'st...
完形填空。  Theschoolmusicclubopens.Tonywants

完形填空。  Theschoolmusicclubopens.Tonywants

2021-11-15
問題詳情:完形填空。  Theschoolmusicclubopens.Tonywants_____(1)theclub,buthedoesn’twanttogoalone﹙單獨﹚wantstoaskhisfriendstogotothe_____﹙2﹚withhim.Sohe____﹙3﹚themathome,buteveryoneis______﹙4﹚.Martinisdoinghish...
完形填空Eachoneofusissupposedtosavetheenvironment.Hundredso...

完形填空Eachoneofusissupposedtosavetheenvironment.Hundredso...

2020-03-02
問題詳情:完形填空Eachoneofusissupposedtosavetheenvironment.Hundredsofyearsago,lifewas  1  than  2  today.Peopledidn’tusemodernmachines,andthere  3  modernmachines,  4 .Lifetoday  5 ...
完形填空Aladyoncewrotealongstory.Shesentittoafamouseditor.A...

完形填空Aladyoncewrotealongstory.Shesentittoafamouseditor.A...

2020-06-20
問題詳情:完形填空Aladyoncewrotealongstory.Shesentittoafamouseditor.After1weekstheeditor2thestorytoher.Theladywas3.Shewrotebacktotheeditor: “DearSir. Yesterdayyousentbackastoryofmine.4doyouknowthatth...
完形填空Listeningtomusicandsingingsongsarefun.Butisituseful...

完形填空Listeningtomusicandsingingsongsarefun.Butisituseful...

2020-05-16
問題詳情:完形填空Listeningtomusicandsingingsongsarefun.ButisitusefulforlearningEnglish?AteachercalledTonyBrownthinkssingingsongsisthemostuseful  1 forstudentstolearnpronunciation(發音)andstudentscan...
完形填空  Everycountryhasitsownculture.Eventhougheachcountr...

完形填空  Everycountryhasitsownculture.Eventhougheachcountr...

2020-06-25
問題詳情:完形填空  Everycountryhasitsownculture.Eventhougheachcountryusesdoors,doorsmanyhave 1  functionsandpurposeswhichleadto  2  differences.WhenIfirstcametoAmerica,Inoticedthatapublicbuild...
完形填空Marklivedinavillagefaraway.Onedayhebecameveryilland...

完形填空Marklivedinavillagefaraway.Onedayhebecameveryilland...

2020-06-20
問題詳情:完形填空Marklivedinavillagefaraway.Onedayhebecameveryillandeveryonethoughthewould___1___soon.Theysentforadoctor.Twodays___2___thedoctorcameandlookedoverthesickman.__3__askedforapenandsomepaper...
完形填空Lookatthelostandfoundcase.

完形填空Lookatthelostandfoundcase.

2021-04-20
問題詳情:完形填空Lookatthelostandfoundcase.__1__that?It's__2_eraser.Ithink(想)it'shis__3__Ilosta__4__of__5__.Imustwrite(寫)a(如果)__6__findthekeys,please__7_me__8__555­6741.__9__nameisMaggieWhite._10__you!...
完形填空Henrywasamiddleschoolstudent.ItwasSaturday.Therewer...

完形填空Henrywasamiddleschoolstudent.ItwasSaturday.Therewer...

2020-03-09
問題詳情:完形填空Henrywasamiddleschoolwasewere________(1)classesthatafternoon,sohewenttoashopnearhisshopsoldmanylooked________(2)themandatlastchoseaverynice________(3)itonandthentoldtheshopkeepertoputi...