二氧化氮制取方法

he studied the compass carefully是什么意思要整句话的翻译,重点说出studied在句中的意思!急需! ____ ____is your pen? __(这儿)is your pen in the path 9.The path in the park looked beautiful,_______ with _______ leaves.A.covered; falling B.covered;fallen C.covering; falling D.covering,fallen 英语翻译clothes suit?还是别的? sunlight on the path to freedom是什么意思 服装--准确的英文翻译 The path a hurricane takes _____ largely on the weather patterns throughout the surrounding region,including factors such as the strength and movement of high-and low-pressure areas.A.to dependB.dependingC.dependsD.depended正确答案是： Jim's coat is not the same as Tommy's.Jim's coat is ( ) Tommy's.A.different from B.different forC.different to he likes art.(加上histor变一般疑问句)he likes art.(加上history变一般疑问句)___he___art___history 被7除余2的最大三位数与最小三位数的差是多少? 用0,1,3,4,5,6,7,9.组成两个三位数,这两个三位数最小差是多少,最大差是多少? 有一种三位数,它能同时被2,3,7整除,这样的三位数中最大的一个减去最小的一个 差是多少 求大侠来解已知在x.y不等于0时,f(x乘以y)=f(x)+f(y),且f(2)=1.求f（6）=?那f(1/2)不是等于-1嘛？ please back to 设a和b为二次方程x^2-x+m=0的两个根,试求代数式a^3+b^3+3(a^3b+ab^3)+6(a^3b^2+a^2b^3)的值 the Supreme You can never take my 判断题 如果A÷B=4,那么A是B的倍数,B是A的因数 设函数f(x)=Asin(wx+φ)(A>0,w>0,φ>0,│φ│ Dear when I am out you to take care of yourself oh wait me back 怎么用something造句要中文解释 I get tried easily 同义句 It‘s very________ _________me_________ _________tired 造句……造句!按照：“站在正宫前极目远眺,玉带似的人工河上波光粼粼,帆影点点,两侧大树参天,郁郁葱葱,绿荫中女神的雕塑亭亭玉立.近处是两池碧波,沿池的铜塑丰姿,美不胜收.”造句 not only did we get very tired but also very hungry as well .we get not only very tired but also very hungry as well .这两句都对吗? My idea is the same as yours?同义 I ———— ————your words 急 my birthday is the same day as.(your) 西安古城墙怎么玩西安古城墙现在几点开闭,从哪里上去方便,具体地点说一下,我是第一次到西安,准备下午去玩,大家再推荐一下上城墙地点附近都有什么可以玩的地方 还有就是想去陕西历史 西安古城墙的历史? 西安古城墙门如安远门,永宁门 西安古城墙的特点是什么?现在就要,过期不候啊!