√(1-x^2)的不定积分

2012数学黄冈小状元18页.13页,12页,6页第6.急 黄冈小状元人教版六年级上数学第50页的第4第7题要计算过程急 To reduce the pollution,we should try__waste water into rivers.A.not dump B.not to dump 名词性从句中缺少主语或宾语时时一定用what吗?那么，什么情况下用what呢？ 名词性从句的引导词what只能做从句的宾语吗比如what he needs is so study hard.还有些that who which whom when的,都只能做从句宾语吗 定语从句中who 和whom都可以做宾语,那名词性从句里呢? 名词性从句12.I wonder how much__.A.does the watch costB.did the watch costC.the watch costedD.the watch costs我选的是C,why分析每一个选项· 中国哪个省的人最坏? 初一数学书内容（北师大版）急急急急急急!内容清晰点,拜托! 初一北师大版数学书P142 P144 P146 每个题答案急 英语翻译请问”林”这个姓在英文里面是翻译成Lam吗?还是因为是广东话发音比较像Lam啊? 完形填空 第一句When people think of tigers,they think:strong and dangerous. When people say “culture”,we think of art and history.翻译 用所给词的适当形式填空 并翻译Some____(science)studies show that this plant can be used for medicine As is all known to us all,there is an old saying that "Where there is a will,there is a way ".不符合句法规范,怎么改正 英语翻译You think it’s perfectEverything is so fineWait till you look it through yourSpiritual eyesYou think it’s niceBut please open your eyesThis place is but aBeautiful STYYou want it I want itEverything ‘s a wantWe lose it then we say i Peopie in Shanghai use millions ot litresot water every day.划线部分提问画millionsot litresot .快 The worst drought in 60 years has left millions of people in Yunnan Province___drinking water.The worst drought in 60 years has left millions of people in Yunnan Province___drinking water.A.lacking B.lacked C.are lackingD.being lacked帮忙翻译句 millions of tons of watermillions of tons of waste water is being poured ……这里为什么用is?Millions of tons不用are吗?那为什么piees of paper后就用复数？ Millions of people _____(上网查资料) every day. who可以引导名词性从句吗?可以有What I want to read most is Harry Porter.=The book I want to read most is Harry Porter.因为名词性从句是可以转化为定语从句的.但并不是所有的定语从句都能转化为名词性从句. 名词性从句引导词who/whoever区别DIY books are of great help to _ may choose to do things themselves.A.who B.whom C.whoever D.whomever为什么选择whoever不能用who?有什么区别吗? 英语求解,给好评... 咳咳.英语,求秒给答案,如果再解答几个,我就给你好评+1 名词性从句,定语从句中的引导词,类似that,which,who……等,本身有中文意思么?如何翻译他们? i want to come with you ahead.missing you and loving you,帮忙翻译下` As is known to us,there is ……怎么分析? pollution is (harm) to 中间用什么形式 辩论赛电脑必将取代书本的辩题,求大神帮忙急!旭耀电脑必将取代书本有力依据越多越好 我是辩论赛的主席,需要介绍下辩题.电脑必将取代书本 电脑不能取代书本2.逆境更有利于人成长 顺境更有利于人成长 请问如何判断as if/though引导的是表语从句还是方式状语从句?是不是看它前面的词是否为系动词? as 能引导 同位语从句和表语从句吗