磷酸二胺价格

用某种物质制成的空心球,其体积为500立方厘米,放入水中后有2/5的体积浸入水中,若将密度为0.8×10的三次方的酒精注入球内空心部分,并使注入的酒精体积为球内空心部分的5/16,再将球放入水中 She doesn't like meat very much.改同义句She( )meat( )( ).还有啊都改同义句 He often gets to school early.改He( )often get to school( ).Kate usually helps her mother wash clothes.改Kate usually helps her mother ( )( )( ).When does her mot 填单词My mother doesn't like watching TV at home because she th inks it is very b__ She doesn't like meat very much的同义句 一个远新喷水池的周长62.8米,在水池外有一条有1米的水泥路.路的面积是多少平方米 将一块石头放入装满水的溢水杯中,溢出水体积100立方厘米,求1、溢出的水的重力 2、石块受到水的浮力我怎么算都算到负的.不说也行~ 为什么水泥路面毎隔一小段就有一个小小的缝隙 密度与社会生活：一般的水泥路面都会保留一些缝隙,原因是什么 把一个底面半径是4厘米,高是9厘米的铁制圆锥放入盛满水的桶里,将有多少立方厘米的水溢出 把一个底面半径是6厘米,高是9厘米的铁制圆锥放入盛满水的桶里,将有多少立方厘米的水溢出? 把一个底面半径是4厘米,高是12厘米的铁制圆锥放入盛满水的桶里,将有多少立方厘米的水溢出?结果用（π (pai) 表示） 把一个底面半径4厘米,高是9厘米的铁质圆锥放入盛满水的桶里,将有多少立方厘米的水溢出? she dosen't look like her mother ,i think还可以怎么说 She doesn't look like her mother,l thing.（同义句） l______think she______like her mother. 新建水泥路面的切缝深度一般要求是多少 仿古砖为什么要留缝 She chopsticks for buys her mother 连词成句 连词成句：look mother like your you do? 将实心铁块放入盛满酒精的容器中,溢出酒精27克,若把质量相等的实心铝块放入盛满酒p酒=0.8克每立方厘米，p铝=2.7克每立方厘米 一木块放入盛满水的容器中,溢出的水的质量是10克.若将它放入盛满酒精的容器中,溢出酒精的质量是多少? 把一块石头放入盛酒精的杯子里溢出酒精24G把一块石头放入盛酒精的杯子里溢出酒精24g,把这块石头放入盛满水的杯子里溢出水的质量是? 要详细过程哦 一个修路队要修一条水泥路,如果每天修2.4千米,25天可以修完,如果每天多修0.6千米,几天可以完成? 1.She looks like her mother.(改为同义句) She __ _ ___ her mother. She looks like her mother.中“looks”“like”各做什么成分? She is kind to us like a mother She is like my mother_____me,为什么空格填to, I'm not going to lie to them. If your mother is anything like you, which I know she is...I'm not going to lie to them. If your mother is anything like you, which I know she is, she can call my bluff. 200立方白灰粉等于多少吨 短文填空. Mrs.Green doesn't like sports.She has much w_____to do at home.Her mother is c_____ thisafternoon and she goes to m_____.Near the school she looks at her w_____.She has some time .So she goes into th 同一块铁,先后放入盐水、水或煤油中,它所受的浮力大小为（） 为什么?A、投入盐水时浮力大B、投入水中时浮力大C、投入煤油时浮力大D、都一样大 一吨白灰大约多少立方? 白灰一吨多少立方