工业上以铬铁矿(主要成份为FeO.Cr2O3,还含有Al2O3、SiO2等杂质)为主要原料生产红矾钠晶体(Na2Cr2O7.2H2O),其主要工艺流程如图:
已知:NaBiO3在碱性条件下能将Cr3+氧化为CrO42﹣.
情景一:B班教室里,男生女生分成两派争得面红耳赤,男生诉说自身的优势,女生评价自己的好处,双方各执一词,互不相让。针对此情景,同学们请你作个评判,你会如何说?
情景二:在最近A学校组织的辩论赛上,班级内有两名男生和一名女生参加,女生语言清晰,口齿伶俐,妙语连珠,男生思维敏捷,语言幽默,他们配合默契,优势互补,最终摘取了年级辩论赛的桂冠。
Dear Dad, Happy birthday to you ! On this special day I'd like to talk to you1a special way. I don't think I am good at2you my thought face to face with you,so I'm writing to show my deep love for you.You're not a rich man or a famous person.But in my heart,you are one of the greatest3 in the world.I am4 you. You are5 interested in fame and wealth.You do6 things like paying phone bills on time,and working as a worker in your factory.The smile on your face shows you are pleased with the family.You take good care of my grandparents.You help me with my schoolwork and do some shopping with Mom on Sundays. In the past,I didn't care7 you were with me or not.Now I am sorry to say I8 you the respect before.But I am thankful for what you have done for me. I am quite lucky that I have9 a great father.And I feel happy that now I can let you10 how much I love you.You are successful as a son,a husband,a father,and a friend. Wish you happy forever! Yours,
David
个性和集体融合起来,不会失去个性,相反,只有在集体中,个性才能得到高度的觉醒和完善。对这句话理解不正确的是( )