职称评定量化得分有什么用

奶牛场原有奶牛450头,最近又新购进150头.奶牛场的奶牛数量比原来增加了百分之几?现在的奶牛量是原来的 where has Lily gone与where is Lily?回答是She has gone to Beijing.上面两种都可以提问吗?书上是用的where is Lily?那么where has Lily gone?是不是也可以? —Where is Lily?She is having supper in the __ Where ___Lily is shoes? 被减数等于减数,差是（ ）. 在一个减法算式里,被减数 减数与差的和等于200,其中减数是差的三分之二,那么差是? （20分悬赏）我想买一套《跟大师学语文》（共5册）,最经济的价格当然最好! 文献信息检索的特点与常用检索途径有哪些 文献信息检索的途径有哪些?检索程序分为哪些步骤? 若关于（a+1)Xˆ4+Xˆb-3x+5是关于x的二次三项式,求（a+b)ˆ2012 被减数、减数与差的和是200,差与被减数的比是1:4,被减数、减数、差分别是多少? 二次三项式：X平方-3X+2,的最小值为?3Q 用符号表示下列化学反应①实验室用高锰酸钾制氧气 ②铁在氧气中燃烧③氢气还原氧化铜 ④给水通直流电⑤氢氧化钠与硫酸铜反应 ⑥加热氢氧化铜⑦碳酸钙和盐酸反应 ⑧氢气在空气中点燃 在文献检索中,主题词标识,那些关系可以形成等级关系? 被减数减数差和为200差与减数比为1:4求3个数 被减数,被减数与差的和为200,差语减数的比为1:4,被减数,减数与差分别是多少? 我要信息检索的详细过程 在没有学泰勒公式之前如何证明arcsinx~x He likes his new room.否定句和一般疑问句 只列方程组 求初2数学列方程组解古算题,“5头牛、2只羊共价值10两“金”.2头牛、5只羊共价值8两“金”.每头牛、每只羊各价值多少“金”? 4500/25/2简便运算除号我打不来 初三化学溶液简单计算一定质量的20%的硝酸银溶液和一定质量的稀盐酸恰好完全反应,生成白色沉淀14.35克,过滤后得溶液107.15克,计算稀盐酸溶质的质量分数 H2 和D2是同素异形体吗 请问,H2和D2是同素异形体吗?为什么? 为什么H2和D2不是同素异形体?请老师, Please put the desk b_____ the sofa and dresser. There are two small bookcase ,a desk ,a chair and a bed.这个句子成不成立There are two small bookcases,a desk ,a chair and a bed in my bedroom.只要回答成不成立就行 chair desk bookcase computer哪一个不是同类 How do you like our school?I think it' gettingA.more and more nicerB.more nice and more niceC.nicer and nicerD.the nicer,the nicer 是I don't think he looks like还是I don't think he look like?.是I don't think he looks like还是I don't think he look like?是He don't think I looks like还是He doesn't think I look like?请同时将有关于don't think的语法点说一下, Look,do you think that man look like someone in our school?No ,he looks like ____,it could be ____else.A someone;nobodyB no one;anybodyC everyone;somebodyD anyone;somebody