有關FR的精選知識
知識的精華會讓學習更簡單容易,熱門的FR鑑賞列表是專門提供FR的相關精彩內容的地方,這裡的FR相關內容,小編都精心編輯,精選優質FR的相關知識,分享一些FR方面的精華知識。
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屬於短週期的一組元素是A.Al、Si、S B.Li、Mg、Fr C.H、O、...
問題詳情:屬於短週期的一組元素是A.Al、Si、S B.Li、Mg、Fr C.H、O、K D.Na、S、Br【回答】【*】A【解析】【詳解】A.Al、Si、S均為第三週期元素,屬於短周...
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“FR-4”造句,怎麼用FR-4造句
WasteFR-4printedcircuitboardrecyclingtechnologybasedonsupercriticalfluidcarbondioxideSynthesisofPhosphorousContainingResinandApplicationinEnvironmentalFriendlyFR-4CopperCladLaminateThispaperdescribest...
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Asthejob-huntingseasonisontheway,manygraduates fr...
問題詳情:Asthejob-huntingseasonisontheway,manygraduates fromanxiety. A.willbesuffered B.aresuffering C.weresuffering D.arebeingsuffered【回答】B知識點:現...
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鹼金屬鍅(Fr)具有放**,它是鹼金屬元素中最重的元素,下列對其*質的預言中,正確的是( )A.它能跟水反應...
問題詳情:鹼金屬鍅(Fr)具有放**,它是鹼金屬元素中最重的元素,下列對其*質的預言中,正確的是( )A.它能跟水反應,由於反應劇烈而發生*B.它的*氧化物化學式為FrOH,是一種弱鹼C.鍅在空氣中燃燒時,只生成化學式為Fr2O的氧化物D.在鹼金...
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Alice’sparentsdonotapproveofherplan,whichcanbe fr...
問題詳情: Alice’sparentsdonotapproveofherplan,whichcanbe fromtheirsilence.A.differentiated B. excluded C. inducedD. deduced【回答】D知識點:單詞題型:選擇題...
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天然存在的Fr(鍅)極微量,它的21種同位素都有放**,它是鹼金屬中最重的元素,根據它在週期表中的位置預言其*...
問題詳情:天然存在的Fr(鍅)極微量,它的21種同位素都有放**,它是鹼金屬中最重的元素,根據它在週期表中的位置預言其*質,其中不正確的是A.在已知鹼金屬中它具有最多的電子層 B.在空氣中燃燒的時候,生成氧化物Fr2OC.氧化物對...
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已知釷(Th)的原子可發生下列放**變化,Th→X+α,生成的X是與鍅(Fr)同週期的一種元素的原子,下列對X...
問題詳情:已知釷(Th)的原子可發生下列放**變化,Th→X+α,生成的X是與鍅(Fr)同週期的一種元素的原子,下列對X的推斷錯誤的是 ()A.X的*氧化物是一種強鹼B.X的碳*正鹽不溶於水C...
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Hewasinhospitalforalongtime.Hefeltasifhewas fr...
問題詳情:Hewasinhospitalforalongtime.Hefeltasifhewas fromtheoutsideworld. A.cutin B.cutup C.cutoff D.cutdown【回答】C知識點:動詞題型:選擇題...
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ChineseLanguageandCultureDayCampJuly25-29,2014Monday-Fr...
問題詳情:ChineseLanguageandCultureDayCampJuly25-29,2014Monday-Friday,9:00a.m.---3:30p.m.Forages7-16Location:ConfuciusInstitute,10ParkStreet,AlfredCampFee: $150(includeslunch)Enrollment(註冊)Deadline:J...
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鹼金屬鍅(Fr)具有放**,它是鹼金屬元素中最重的元素,下列預言錯誤的是( )A.在鹼金屬中它具有最大的原子...
問題詳情:鹼金屬鍅(Fr)具有放**,它是鹼金屬元素中最重的元素,下列預言錯誤的是()A.在鹼金屬中它具有最大的原子半徑B.它的*氧化物化學式為FrOH,是一種極強的鹼C.鍅在空氣中燃燒時,只生成化學式為Fr2O的氧化物D.它能跟水反應生成相...
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Eco-friendlyCarRaceCanyouimagineacarracer(賽車)issoeco-fr...
問題詳情:Eco-friendlyCarRaceCanyouimagineacarracer(賽車)issoeco-friendlythatitstyresaremadefrompotatoes,itsbodyiscreatedfromhemp(大麻)andrapeseedoilanditrunsonfuelmadefromwheatandsugarbeet(甜菜)?Theone-s...
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---How do you like the book? ---It’s quite different fr...
問題詳情:---How do you like the book? ---It’s quite different from ____ I read last month. h ...
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I'mAlice.TodayisChildren'sDay.Igetmanypresents(禮物)fr...
問題詳情: I'mAlice.TodayisChildren'sDay.Igetmanypresents(禮物)frommyfamily.Doyouwanttohavealook? Iliketoybearsverymuch.Ihavefivedifferentbearsinmyroom.Mymotherbuysanotherbrownbearformetoday...
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閱讀理解。你想知道中西方的節日有何不同嗎?快來看看這兩封電子郵件吧!To:[email protected] Fr...
問題詳情:閱讀理解。你想知道中西方的節日有何不同嗎?快來看看這兩封電子郵件吧!To: From:Subject:Autumn! Date:29/09/8:00p.m.Hello,Jenny!TodayistheMid-AutumnFestival.Wewillwatchthemoontonight,...
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情景交際。從Ⅱ欄中找出Ⅰ欄各句的最佳應答語。Ⅰ( )1.Morning,Helen!( )2.Hello,Fr...
問題詳情:情景交際。從Ⅱ欄中找出Ⅰ欄各句的最佳應答語。Ⅰ( )ing,Helen!( )o,Frank!( )areyou?( )evening,Dale.( )afternoon!ⅡA.Goodevening!B.Fine,thankyou.C.Morning!D.Goodafternoon!E.Hello,Cindy!【回答】1C2E3B4A5D知識點:口...
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________speak_________in________. A.Frenchmen;France;Fr...
問題詳情:________speak_________in________. A.Frenchmen;France;French B.Frenchmen;French;FranceC.French;France;Frenchmen D.Frenchman;French;French【回答】B知識點:相似相近詞比較...
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Iusedtoabandonmyselftodespair.Lastyearmymother 21 fr...
問題詳情: Iusedtoabandonmyselftodespair.Lastyearmymother 21 fromstroke(中風)andhadanoperationonherbrain.IfeltmywholeworldturnupsidedownandIhadno 22 whatIcoulddotohelphertorelieverher 23 .T...
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ChineseLanguageandCultureDayCampJuly25-29,2015Monday-Fr...
問題詳情:ChineseLanguageandCultureDayCampJuly25-29,2015Monday-Friday,9:00a,m.~3:30p.m.Forages7-16Location:ConfuciusInstitute,10ParkStreet,AlfredCampFee:$150(includeslunch)Enrollment(註冊)Deadline:July1...
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His arevery tous.Wealllikethem. A.friendly;fr...
問題詳情:His arevery tous.Wealllikethem. A.friendly;friendly B.friends;friendly C.friend;friendly D.friendly;friends【回答】B知識點:相似相近詞比較題型:選擇題...
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Hegotmanygifts hisbirthday hisfriends.A.on,fr...
問題詳情:Hegotmanygifts hisbirthday hisfriends.A.on,fromB.in,ofC.at,toD.from,for【回答】具體某一天用介詞on,從朋友處得到禮物用from,故應選A知識點:介詞和介詞短語題型:選擇題...
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______yourparents________Beijing? A.Are;comefromB.Do;fr...
問題詳情:______yourparents________Beijing? A.Are;comefromB.Do;from C.Are;from D.Do;comesfrom【回答】C知識點:一般疑問句題型:選擇題...