学生经典作文

新型净化剂铁酸钠中,铁元素的化合价是________? 蝴蝶的蝴字除了蝴蝶还有什么组词? 蝴字除了蝴蝶,还可以和其它什么组词? 红宝石、蓝宝石的主要成分是什么? 蝴蝶的蝴除了蝴蝶以外还能组个什么词 红宝石的主要成分是什么 红宝石,水晶,钻石的主要成分是什么? Online shopping is changing our life.（用Online shopping提问）_______ is changing _______ life? TV home shopping(电视直销) has changed the way of shopping and the ____ of people’s family life in some way.A.meaning B.structure C.pattern D.tense true love is friendship caught on fire如题,怎么翻译才好? headshot is my only love to play Cross Fire 啥意思? I love "cross fire"!My team "Shanghai is the best"!Do you care for it?Come on my line of brothers! We　should　go　at　（g　　　　）light One of our rules is that every student（ ）wear school uniform while at school.A、might B、could C、shall D、will选择哪一个? It is our desire that every effort _______ to protect the surroundings in our school．A．is made \x05B．was made \x05C．be made \x05D．will make为什么用 It is r___ that a famous singer will visit our city. it is suggested that another school ___ in our cithA should build B be set up C will be set up D will build 选哪个 怎么觉得C 才对啊 It is us that should love our school.这句话有错么?用us 还是we? I think Qingdao is a good place taking a holiday.这句话哪个地方错了? I think Singapore is a good place___ (go) sightseeing. 什么水能使铜粉沉淀铜粉和塑料粉参合在一起了,要怎样完全的分离开来,用河水不行，这些铜粉还是不会沉，用酸是怎样？用碱会怎样？ 求：多针机,拖轮的零件分解图?多针机上拖轮卡死了.不清楚拖轮的内部结构,又不开,只是把拖轮左边的一字螺丝松掉就正常运转,但是我不知道正常情况下这个螺丝是拧紧的还是松的?如果是拧 what friendship mean to me You Mean More To Me 歌词 The Internet is a part of our _______ life now.A.every dayB.everydayC.everyD.day -The Internet has become part of our ( ) life .-That's true .We can get lost ofinformation on the Internet ( ) A.everyday ;evertday B.everyday;every day C.every day;everyday D.every day;every day the internet has already become part of our life. 用什么药灭蟑螂最有效 Darling I am sorry that I hurt you love是什么意思? 怎么在PS分解闪图 honey ,Loud that I love you意思拉 铜与浓硫酸加热,有白色沉淀生成,则该白色沉淀可能是什么