假设你们班级即将召开

古往今来,地球妈妈用甘甜的乳汁哺育了无数代子孙.原来的她被小辈们装饰得楚楚动人.可是,现在人类为了自身的利益,将她折磨得天昏地暗.人类只有一个地球；而地球正面临着严峻的环境危机.“救救地球”已成为世界

解题思路：本题主要是在两种状态下对小球受力分析，其中OB杆的弹力方向始终延杆的方向。解题过程：

/>Ihopetogotoboardingschool,becauseinresidencehasmoreobviousadvantage,theirself-discipline,mature,in

Deardadandmum,youaresoselflessthatyoualwayskeepallgoodthingsforme.You'resodiligentthatyoukeeponworki

保护水资源：Aswecansee,theworldpopulationisgrowingrapidlydaybyday.Soenoughfreshwaterisneededtofeedsuchabig

Recentlywehavehadadiscussionaboutthedifficultiesinenglishstudyandthegoodwaystosolvethem.Perourdiscus

Asthecollegeentranceexaminationiscoming,manyofmyclassmatesarenowundersuchagreatpressurethattheyhaven

Onepossibleversion:The9thChinaInternationalGardenExpoisopeningsoon.Weareveryexcitedbecauseitwillbehe

Asastudent,IknowIneedahealthybodyandmind.Withthedevelopmentofscience,therearemanykindsoffood.Butmost

抢车道,乱扔垃圾,随地吐痰等等,百度一下社会公德主要指什么,我们又要遵守哪些.

擦你也太过无耻这个也上百度来提问得是想求蹂躏求鄙视啊.

Dearteachersandschoolmates,Wearesorrytoseesomuchwasteinourschool!Westudentsoftenleavethetapsonafterc

Thankyou,mymotherMymotherisoneofthebestmothersintheworld.Sheisthebusiestoneinmyfamily.Shedoeschoresf

你看看这样可以吗,不行的话加我Q说,610578827Whenitcomestomakingfriends,differentpeoplewillcomeupwithdifferentopinions

Onepossibleversion:    Asastudent,IknowIneedahealthybodyandmind.Withthedevelopme

NoticeChristmasdayiscoming.WewillholdanEnglishpartyinthemeetinghall.Thepartywillbeginatsevenpmandend

MyDreamDreamcanleadapersontosucceed,soeveryonehasadream.MydreamisgotoParistostudyandwanttobeaartist.

我给你说说中文吧！我的英语差不多还给老师了。给你说几个点吧：首先说说你对这次运动会的理解；其次让老师了解了解你们班特长生都有怎样的特长，优缺点；再次，选一些运动会期间的拉拉队员，后勤保障的同学，保证跟

（1）从长征的原因,主要经历的过程,例如什么四渡赤水,飞夺泸定桥等等；（2）从长征的精神联系到当今社会,从新时代的学生、社会的公民等多角度的阐述；（3）不怕吃苦,坚持不懈……

BeacivilizedstudentAsmiddleschoolstudents,weshouldbehavewell,becausewearethenewgenerationofthesociet