在宾馆、办公楼等公共场所，常使用一种电离式烟雾*器，其主体是一个放有镅﹣241（Am）放*源的电离室．Am原...
问题详情：在宾馆、办公楼等公共场所，常使用一种电离式烟雾*器，其主体是一个放有镅﹣241（Am）放*源的电离室．Am原子核内中子数与核外电子数之差是A．241 B．146 C．95 D．51【回答】【*】D【解析】Am的质子数为95，质量数...
用“Pan Am”造句大全，Pan Am造句
USairlinePanAmendsoperations.PanAmhasopenedthefirstinternationalscheduledflightline.PanAminauguratedthefirstscheduledinternationalflight.YoucouldflyPanAmtoL.A.youcouldcatchaconnectingflighttoSanFranci...
-Excuseme,canIhaveatalkwithMr.Millerthisafternoon? -Am...
问题详情： -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....
若am＋2÷a3＝a5，则m＝
问题详情：若am＋2÷a3＝a5，则m＝__________；若ax＝5，ay＝3则ay－x＝________.【回答】6知识点：整式的乘法题型：填空题...
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，则am＋n的值等于……………………………………………（ ）A．7 ...
问题详情：已知am＝5，an＝2，则am＋n的值等于……………………………………………（ ）A．7 B．8 C．10 D．25【回答】C知识点：整式的乘法题型：选择...
若am＝2，an＝3，则am+n等于……………………………………… ( )A．5 ...
问题详情：若am＝2，an＝3，则am+n等于……………………………………… ( )A．5 B．6 C．8 D．9【回答】B知识点：整式的乘法题型：选择题...
若am=3，an=5，则am+n=（ ）A．8 B．15 C．45 D．75
问题详情：若am=3，an=5，则am+n=（）A．8 B．15 C．45 D．75【回答】B【考点】同底数幂的乘法．【分析】根据同底数幂的乘法公式：am•an=am+n（m，n是正整数）可知am+n=am•an，根据公式可计算出*．【解答】解：∵am=3，an=5，∴...
用“AM”造句大全，AM造句
AM/FMSwitchInoperativeIAMSHERLOCKEDVHFAMtransceiverIamboradcastingontheallAMfrequences.10:35AMlocaltime.FM/AMstereocassettereceiverfiberopticAMlasertransmitterSine-waveAM-FMjammingAMDemodulationBasedo...
完形填空I am
问题详情：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...
用“i am”造句大全，i am造句
Iamhere,iamwaiting！iamnothappyanymoreiamnothappybecase......
若am＝2，an＝8，则am＋n＝
问题详情：若am＝2，an＝8，则am＋n＝____【回答】16知识点：整式的乘法题型：填空题...
若am=2,an=3,，则am+n等于（ ）A.5 B.6 C.8 ...
问题详情：若am=2,an=3,，则am+n等于（ ）A.5 B.6 C.8 D.9【回答】B知识点：整式的乘法题型：选择题...
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...
用“AM/FM”造句大全，AM/FM造句
1、AM/FMSwitchInoperative2、TheConstructionofDistributionAM/FM/GISSystem3、DesignofEmbeddedAM/FMReceiverBasedonSi473x4、AnalysisofFrequencytransfercharacteristicofAM/FMscreenedimage5、Ithasmanualtrans...
已知am=3,an=5，则am+n=( )A、243 B、125 C、15...
问题详情：已知am=3,an=5，则am+n=( )A、243 B、125 C、15 D、8【回答】C知识点：整式的乘法题型：选择题...
若a3•am=a9，则m= ．
问题详情：若a3•am=a9，则m= ．【回答】6知识点：整式的乘法题型：填空题...
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...
am＝6，an＝3，则am﹣2n＝
问题详情：am＝6，an＝3，则am﹣2n＝__．【回答】【分析】直接利用同底数幂的除法运算法则结合幂的乘方运算法则进而将原式变形得出*．【详解】∵am＝6，an＝3，∴am﹣2n＝am÷（an）2＝6÷32＝．故*为：．【点睛】此题主要考查了同底数幂的除法运算法则和幂的乘方...
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...
若am=2，an=3，则am+n等于（ ）A．5 B．6 C．8 D．9
问题详情：若am=2，an=3，则am+n等于（）A．5 B．6 C．8 D．9【回答】B【考点】同底数幂的乘法．【分析】根据am•an=am+n，将am=2，an=3，代入即可．【解答】解：∵am•an=am+n，am=2，an=3，∴am+n=2×3=6．故选：B．知识点：...
已知am=5，an=6，则am+n的值为（ ）A．11 B．30 C． D．
问题详情：已知am=5，an=6，则am+n的值为（）A．11 B．30 C． D．【回答】B【考点】同底数幂的乘法．【分析】根据同底数幂的乘法法则：同底数幂相乘，底数不变，指数相加，进行计算即可．【解答】解：am+n=am×an=30．故选B．知识点...
已知am=9，am-2n=3，则an的值是（ ）A.-3 B. C. D.
问题详情： 已知am=9，am-2n=3，则an的值是（）A.-3 B. C. D.【回答】D 知识点：整式的乘法题型：选择题...
用“I am a loser”造句大全，I am a loser造句
1、Inthemirroryouare...IamaloserIamaloserIamaloser.2、nthemirroryouare...IamaloserIamaloserIamaloser在镜子里你是...我是失败者我是失败者我是失败者3、IfeellikethatIamaloser.4、IhavetotellmyselfthatIamal...