中国高古玉血色

求2013年新人教版七年级下册英语听力mp3材料,参加竞赛做课件要用, 初中英语易错题,谁有?让人一做就错的题快开学了，手中无题，望各位不吝给些 初中英语易错题1.It’s very _nice_____ you to get the tickets ______ the World Cup.A.for,of B.of,for C.of,to D.to,for为什么选C呢?我觉得选A啊? 初中英语易错题3求教11,12,14题要详细解释 谢谢 上面两个选择题和下面的完型求英语大神解答 2013人教版七年级下册英语听力谁有, 初二英语选择题,求英语大神解答~~~ 几道初中英语选 题1,It ___ ten years since he left the army .(be )2,It is ____ difficult work that we can't finish in a short time.A,so Bsuch C,so a D,such as3,____ I was a little girl ,I have always loved animals.A,When B,since4,I have a swee 七年级下册英语听力 mp3 3m+2n=16 2m=3n=1 用代入法解方程 第二道物理题质量为5kg的物体,在与水平成37°角斜向上的拉力作用下,由静止开始在光滑水平面上运动,拉力大小为50N,求物体在2s内动能的增加量 古典小说里有一句话“去岁一阵大风,把我院内一口井忽然吹到篱笆外”.这一句话是否是真实记录,说说你的看法.【提示：习惯上选择的参照物与特殊参照物的确定】 1.坐在沙发上会使沙发陷下去,这说明?2.用脚踢球,球向前滚动,这说明? 物理第二题求解释. 如何将98%的浓硝酸稀释成68%的,浓硝酸、稀硝酸都可用密封铝罐盛装吗?要注意些什么方面?98% 68%都是指质量分数,浓硝酸直接往水里面倒不危险吗,要注意些什么呢?可用什么容器盛装稀释后的 初中英语单项选择解析① whould you mind turning down the music?( )A、not at all B、Nerver mind（这两个答案有区别吗?） 探究浓、稀硝酸强氧化性 下图是用浓硝酸、铜片、水等试剂探究浓、稀硝酸强氧化性并观察还原产物的实验装（4）能证明稀硝酸与铜反应产生NO的实验现象是__________（填写代号）.A.c中收集 Who_____better go with Dave?A.has B.had C.have D.will havehas变成had在这是时态的原因吗？ 用66%的浓硝酸稀释成5%的硝酸100毫升需要加多少水和多少浓硝酸.?谢了 65%的浓硝酸怎么稀释成5%浓硝酸,2%浓硝酸,1%浓硝酸（加多少克硝酸,加多少克水）或体积比.写的详细一点谢看不懂 99%的浓硝酸需要加多少水才能成稀硝酸急 几道初中英语单项选择,解析,I think Mrs．Black will come to help us with the celebration if she ____D__ too busy tomorrow．A．is B．will be C．won’t be D．isn’t．Look,it’s raining____C__．All of us can______ go home now．A． 45%的硝酸需要多少公斤60%的硝酸和多少公斤水可以配置成功?求大师指导,需要9公斤45%的硝酸，要多少公斤60%的硝酸和多少公斤水可以配置成功？求大师指导， 初中英语为什么这道题选D不选C 初中英语单项选择1.Teenagers aren’t_________ to get their ears________.A.allowed,pierced B.allow,pierce C.allowed,to pierce D.allow,pierce2.He _________ take a waik after supper when he was in the countryside.Now he gets used to _________ a 单项选择.1.I won't go to Ann's birthday party this coming Saturday.----___you tlod me you would.What's happening.A.But B.So C.And2.___Have finished the work can leave.A.Those who B.Anyone C.The one who3.I arrived at the airport___the plane had ta 初中英语单项选择2个The boy --I talked with just now is my best frend'A who B which C where D whomHow is the man ---lives next door?Oh,he is very strange.好多题都是这样的,如何做呢还有一个not any more和not any longer 的区别 初中英语单项选择!1.Don't smoke in the room,_____ Sure.I'm sorry.a.won't you b.will you c.don't you d.do y0u2.Don't touch the papers.Centainly ,I'll not _____ the papers be the touched.a.make b.get c.let d.allow如果好的话有追加! 5%mol/l硝酸怎么配制 1.—Can you guess what Mom will say on my first day to school?—Walk _______ home and don't play on the road.A.straight B.on C.fast D.along2.—Is Tom in Mr Clark's office—Yes,it is.Mr Clerk might have something to __________A.think about B.think 请问试剂及的硝酸怎么配制能成比重1.5的硝酸?比如10毫升酸该加多少水或别的东西才是1.5比重的硝酸? 初中英语单项选择-If you don't go to Lucy's birthday party this evening.( )-What a shame! She must be very sad if you don't appear.A.So do I B.neither will I C.So will I D.neither do I说明白原因.