在賓館、辦公樓等公共場所，常使用一種電離式煙霧*器，其主體是一個放有鎇﹣241（Am）放*源的電離室．Am原...
問題詳情：在賓館、辦公樓等公共場所，常使用一種電離式煙霧*器，其主體是一個放有鎇﹣241（Am）放*源的電離室．Am原子核內中子數與核外電子數之差是A．241 B．146 C．95 D．51【回答】【*】D【解析】Am的質子數為95，質量數...
用“ma'am”造句大全，ma'am造句
ma'amschool=dameschool)Wouldyoulikeacup,ma'am?Doyouwantacoldwave,ma'am?Putallyourcarry-onbaggageonthebelt,ma'am.Hesays,''Yes,ma'am,therodandreelis$20.00,theduckcallis$3.00,andthecatfishstinkbai...
用“Pan Am”造句大全，Pan Am造句
USairlinePanAmendsoperations.PanAmhasopenedthefirstinternationalscheduledflightline.PanAminauguratedthefirstscheduledinternationalflight.YoucouldflyPanAmtoL.A.youcouldcatchaconnectingflighttoSanFranci...
已知am=5，an=6，則am+n的值為（ ）A．11 B．30 C． D．
問題詳情：已知am=5，an=6，則am+n的值為（）A．11 B．30 C． D．【回答】B【考點】同底數冪的乘法．【分析】根據同底數冪的乘法法則：同底數冪相乘，底數不變，指數相加，進行計算即可．【解答】解：am+n=am×an=30．故選B．知識點...
-Excuseme,canIhaveatalkwithMr.Millerthisafternoon? -Am...
問題詳情： -Excuseme,canIhaveatalkwithMr.Millerthisafternoon? -Amoment,please.Letmecheck_______. A.ifMr.Millerwillbefree B.whenwillMr.Millerhavetime C.ifMr.Millerhad...
用“I am a king”造句大全，I am a king造句
1、Jesusanswered,ThousayestthatIamaking.2、Jesusanswered,"YouarerightinsayingIamaking."Infact,forthisreasonIwasborn,andforthisIcameintotheworld,totestifytothetruth....
完形填空I am
問題詳情：完形填空I am _1_ American. My name_2_ Lily. I am a new student. I am twelve. Now I am_3_Class Six, Grade One, No.6 Middle School. My teacher is Miss Li. I hav...
已知am=3,an=5，則am+n=( )A、243 B、125 C、15...
問題詳情：已知am=3,an=5，則am+n=( )A、243 B、125 C、15 D、8【回答】C知識點：整式的乘法題型：選擇題...
用“Who am I?”造句大全，Who am I?造句
1、Pleaseguess,WhoamI?2、WhatamI?AndWhoamI?Arecloselyrelated.3、WhoamI?I'madragonfly.4、JackSparrow:[toBeckett]WhoamI?5、I'mputtingonablackandwhitestripescoat.Whatreallybugsmeisthat...amIblackoramIw...
已知am＝5，an＝2，則am＋n的值等於……………………………………………（ ）A．7 ...
問題詳情：已知am＝5，an＝2，則am＋n的值等於……………………………………………（ ）A．7 B．8 C．10 D．25【回答】C知識點：整式的乘法題型：選擇...
若am=2,an=3,，則am+n等於（ ）A.5 B.6 C.8 ...
問題詳情：若am=2,an=3,，則am+n等於（ ）A.5 B.6 C.8 D.9【回答】B知識點：整式的乘法題型：選擇題...
用“I am who I am”造句大全，I am who I am造句
1、IamwhoIamsorry,IamsorryIcannot!2、IamwhoIam,Ihavenothingtohide.3、IamwhoIamandthatcan'tchange.4、Ashe:I'mneither.IamwhoIam.Iwanttobefree.5、IamwhoIamanddon'tneedanobjecttoexpressmypersonality.6...
若am＋2÷a3＝a5，則m＝
問題詳情：若am＋2÷a3＝a5，則m＝__________；若ax＝5，ay＝3則ay－x＝________.【回答】6知識點：整式的乘法題型：填空題...
若a3•am=a9，則m= ．
問題詳情：若a3•am=a9，則m= ．【回答】6知識點：整式的乘法題型：填空題...
用“wherever I am”造句大全，wherever I am造句
1、ThesubtextisthathesleepswhereverIam.2、ButIcannotleavemydearfawn:hemustgowithmewhereverIam.3、Iamarrogant,soIshowmysharpedge.Iamnotasnake.Idon'thavesharpedgeandclaws.Ikeepquiet,soIdaretobearrogant...
若am=2，an=3，則am+n等於（ ）A．5 B．6 C．8 D．9
問題詳情：若am=2，an=3，則am+n等於（）A．5 B．6 C．8 D．9【回答】B【考點】同底數冪的乘法．【分析】根據am•an=am+n，將am=2，an=3，代入即可．【解答】解：∵am•an=am+n，am=2，an=3，∴am+n=2×3=6．故選：B．知識點：...
用“I am a loser”造句大全，I am a loser造句
1、Inthemirroryouare...IamaloserIamaloserIamaloser.2、nthemirroryouare...IamaloserIamaloserIamaloser在鏡子裏你是...我是失敗者我是失敗者我是失敗者3、IfeellikethatIamaloser.4、IhavetotellmyselfthatIamal...
am＝6，an＝3，則am﹣2n＝
問題詳情：am＝6，an＝3，則am﹣2n＝__．【回答】【分析】直接利用同底數冪的除法運算法則結合冪的乘方運算法則進而將原式變形得出*．【詳解】∵am＝6，an＝3，∴am﹣2n＝am÷（an）2＝6÷32＝．故*為：．【點睛】此題主要考查了同底數冪的除法運算法則和冪的乘方...
若am＝2，an＝3，則am+n等於……………………………………… ( )A．5 ...
問題詳情：若am＝2，an＝3，則am+n等於……………………………………… ( )A．5 B．6 C．8 D．9【回答】B知識點：整式的乘法題型：選擇題...
用“AM”造句大全，AM造句
AM/FMSwitchInoperativeIAMSHERLOCKEDVHFAMtransceiverIamboradcastingontheallAMfrequences.10:35AMlocaltime.FM/AMstereocassettereceiverfiberopticAMlasertransmitterSine-waveAM-FMjammingAMDemodulationBasedo...
已知am=9，am-2n=3，則an的值是（ ）A.-3 B. C. D.
問題詳情： 已知am=9，am-2n=3，則an的值是（）A.-3 B. C. D.【回答】D 知識點：整式的乘法題型：選擇題...
用“i am”造句大全，i am造句
Iamhere,iamwaiting！iamnothappyanymoreiamnothappybecase......
若am＝2，an＝8，則am＋n＝
問題詳情：若am＝2，an＝8，則am＋n＝____【回答】16知識點：整式的乘法題型：填空題...
若am=3，an=5，則am+n=（ ）A．8 B．15 C．45 D．75
問題詳情：若am=3，an=5，則am+n=（）A．8 B．15 C．45 D．75【回答】B【考點】同底數冪的乘法．【分析】根據同底數冪的乘法公式：am•an=am+n（m，n是正整數）可知am+n=am•an，根據公式可計算出*．【解答】解：∵am=3，an=5，∴...
用“AM/FM”造句大全，AM/FM造句
1、AM/FMSwitchInoperative2、TheConstructionofDistributionAM/FM/GISSystem3、DesignofEmbeddedAM/FMReceiverBasedonSi473x4、AnalysisofFrequencytransfercharacteristicofAM/FMscreenedimage5、Ithasmanualtrans...