上周六参加了学校组织的到红星幼儿园看望留守儿童的慰问活动,请你给英国笔友

WITHTHEDEVELOPMENTOFTHECHINA,FOREIGNERCOMETOCHINA.LASTWEEK,AAMERICANCHANGESTUDENTCAMETOMYSCHOOL.WEWE

那就要看什么格式了,如果是信如下：Dearxxx（此处为收信人名字）（此处为正文）Yours,xxx(写信人名字）如果是普通作文只用写上题目,写正文之前空几个字母的空隙既可

Onepossibleversion:SundaySunnyToday,Ifeltveryhappytoparticipateinthesocialpracticeinthecountryside,o

解题思路：如下解题过程：LastSaturday,ourclassorganizedanactivityaboutprotectingtheenvironmentintheWesthillpark.F

（1）因为F1=F2=50N由F1L1=F2L2得：L1=L2，所以肩头应放在扁担的中点（2）由题知：F1=100N，F2=50N根据杠杆平衡条件：F1L1=F2L2得：100N×OA=50×OB10

OurschoolholdsCareerDayonceayearinMarch,offeringusachancetogetfamiliarwithdifferentbusinessesandcare

IamavolunteerinSavingtheEnvironmentClubofmyschool.LastSaturday,Ididsomevolunteerworkwithothervolunte

Today,ourteachergaveusaspecialtask.Heaskedustodoaresearch.Theresearchisabouthowdoweusethetimeaftersc

IhadawonderfulpartylastSaturday.ItwasTony'sbirthdayparty.Healsoinvitedsomeclassmates,itwasalittlecro

lastsaturdayijoinedaclubcalledSavingtheEnvironmentClub.thevolunteesandiputupsignsbothinthecityandcou

Allthestudentstookanactivepartintheschoolactivitiesoftheorganization

由于两个均是男/女人数比例,则按照分数计算,人来之前男生占3/7,人来之后男生占7/16,两者比较大小,分母求最小公倍数.3/7=48/112；7/16=49/112,相差正好为1/112,即后者比前

LastSunday,myclassmatesandIwenttoanoldpeople‘shometobevolunteertotakecareoftheelderly.Wetaughttheeld

Ourschooldecidedtoorganizeactivitiesforustospendsometimeonsocialservice.Allofourclassmatestookpartin

设出席人数的x,则缺席人数为x/56X(x/5-1)=(x+1)x=35x/5=7所以总人数是35+7=42

May1stSaturdayFineIfyoudon'tgototheGreatWall,youwon'tbecomeahero.OnMayDaymyclassmatesandIwenttotheGr

1,设参加英语的有x人,则参加数学的有2x*2/3=4/3x人x+4/3x-10+3=2xx=21人,2,设甲班参加了x人,则乙班有（62-x)人参加了科技小组活动.由题意知：（1/5）x=(62-x

Today,Ifeltveryhappytoparticipateinthesocialpracticeinthecountryside,organizedbyourschool,whichgavem

假设你是一名中学生志愿者,上周末去一家养老院参加志愿者活动.请就你的经历写一篇日记.提示：1.aqiuckbreakfast,goto...with2.get,8:003.givepresests,s

DearBrue,IamZhangming.ItookpartinthesandratheenuironmentculblastSaturday.Asavolunteer,Iputtedupthepo