作业帮政府应该禁止工厂把废水倒进河里
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/29 21:43:38
prevent/stop/keep.from都可以getmarriedtohassometrouble/isintrouble都可以
Nowadaysthewaterpollutionismoreandmoreserious.Weshouldneverthrowrubbishintotheriver.
（50-35）÷(8-5)=5(千克)答：1瓶水重5千克35-5×5=10(千克)答：空桶重10千克.
usedtopourwastematerialinto空中这么填
1.Donotputdirtywaterpouredintotheriver.2.Firemenpromptlyputoutthefire.3.Hisgrandfatherwhenhewashospi
环保是好事呀,但天气太冷,要注意身体,多注意安全
Putthefrogbackintotheriver.
16,Thegovernmenthaspassedalawprohibitingpeopletodumprubbishintotheriver17,Hegotfullmarksinthemathexa
1.见异思迁2.入不敷出3.祸不单行4.半途而废
Nolittering.
Forbidtodischargewastewarterintotherive
选DA食盐与盐酸与Cu2+都不反应,不能除Cu2+.B金属银太贵C烧碱NaOH太贵D生石灰与水反应生成Ca(OH)2,中和H+,使溶液PH升高；铁粉与Cu2+发生置换反应生成无毒的Fe2+,所以选D再
Atpresent,thefactorystillpullsthepollutedwaterintothenearbyrive
putthedirtywaterintotherive
Accordingtonewsreports,manyfactoriespourwastewaterintotheriver,causingwaterpollution
答：在公园附近曾经有一个钢铁厂,因为工厂里的工人过去经常往河里倒废物There(used)(to)(be)asteelfactorynearthepark.Nowitturnedpartofabigc
这句话应译为：put...into...很高兴为你解答
Nolittering!