The pollutant will give off a lage ___ of heat.A.quantity B.sum C.number D.lotquantity,sum可以被large修饰,也可以修饰不可数名词答案选A为什么不选B?

combined pollutant The pollutant will give off a lage ___ of heat.A.quantity B.sum C.number D.lotquantity,sum可以被large修饰,也可以修饰不可数名词答案选A为什么不选B? 一篇英语短文完形填空Although cars are amain pollutant of the environment,it hasn't s_____ designers from making new cars and showing their ideas to the pubilc.M____ the cars of the future will not pullute the air as muchen.For the m____,we GMAT GWD 第一套语法Surfur dioxide,a major contributor to acid rain,is an especially serious pollutant because it dimkSurfur dioxide,a major contributor to acid rain,is an especially serious pollutant because it diminishes the repiratory system's pollution和pollutant的区别 英语翻译California regulators ,the first to brand secondhand smoke an air pollutant ,are convinced it causes breast cancer in younger women. 英语翻译我想说＂是否pm2.5是空气污染物中最致命的物质＂,写成＂Is the pm2.5 the most deadly substance in all air pollutant对吗 英语翻译Methanol's most attractive feature,however,is that it can reduce by about 90 percent the vehicle emissions that form ozone,the most serious urban air pollutant.最只要是分析下句子结构? 专业英译中,高分的Roof washing is the initial processin reducing the debris and solublepollutants that may enter a rainwaterharvesting system. Roofwashingsystems may use one orseveral components to filter orcollect debris and soluble pollutant The G〇D won't create you .no reason.Will give you the right way. 请帮忙翻译这段话,不要用翻译工具,谢谢!Air pollution in China has been deteriorating growingly.In the morning of Feb 28, the density of the particulate matter(PM)2.5 pollutant reportedly reached a little more than 500 micrograms per cu 这个托福口语第一题段子能得多少分?describe several ways to reduce air pollutionAs to me,there are some suggestions I'd like to mention to reduceair pollution.First of all,reducing the origin of the air pollutant.To be moreexact,disposi will the cards match When will the party the miles will melt will be the best that will be the The heart will be