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is,there,nature,a,park,city,in,the可以组成什么英语单词 用there/is/forest/nature park/the/a/in/(?)连成一句话是问句 求英语作文4篇40字五年级上册的 快. 五年级上册寒假英语作文十篇 我的假期必须是五年级上册 十篇我的假期 最好有翻译100字左右~ 求五年级寒假英语作文急! 五年级英语作文寒假计划30字快! There are some ducks on the lake变为否定句和一般疑问句,做两种回答这是家庭作业,大侠们帮我啊 There are some sheep on the hill 划线部分提问划some sheep There______some sheep.是is还是are .会的来There______some sheep.是is还是are高手来,说明理由还有一个问题，比如说water（复数）______是写 water（复数）water还是water（复数） / He saw some birds in the tree 改成一般疑问句和对划线部分提问 划线部分是：some birds 怎么改 they saw some paiting in the museum.(改为一般疑问句)___they ___any paiting s in the museum? Along the lake we saw some flowers and plants in the f of balls.f开头的是什么单词 a^3b-45ab-a^2b因式分解 跪求高二化学、芳香烃,烷烯炔烃知识要点大神们帮帮忙 英语单选题.十道 猎人带猎狗追野兔,野兔先跑出80步,猎狗跑2步的时间等于野兔跑3步的时间,猎狗跑4步的距离等于野兔跑7步的距离,问猎狗需要多少步可以追上野兔? 十道单选题不难的一、单选题 1、It happened to be very cold ________ the morning of our sports meet.A.at B.of C.on 2、The table is ________ for two people.A.not big enough B.big not enough C.big enough not 3、How long ________?A.has the 小学数学环形追击问题中相遇时他们的路程差是环形路的周长? 分解因式：a^4+14a^3+49a^2的答案 把下列各式分解因式（过程） 1.a³-81a 2.-2x²y-x³-xy² 3.14a²b-49a³b-ab把下列各式分解因式（过程）1.a³-81a 2.-2x²y-x³-xy² 3.14a²b-49a³b-ab 4.a²-b²+（a-b） 5. 一道英语单选题1．The population of the village near sea,（ ）are making their efforts to develop economy of their own.A nearly seventy percent of which depend on fishingB． of which nearly seventy percent depends on fishing C.nearly sevent 英语单选题一道Sorry to have interrupted you.Please go on.Then where was You you didn't adapt to the way that the people lived there .A.had said B.saidC.were sayingD.had been saying 一道英语单选题求高手The newly-built café,walls painted light green,is really a peaceful place for us,especially after hard work.A.that B.its C.whose D.which这道题是考什么知识点?选什么?其余选项不选的原因是什么? 求助一道英语单选题——Can we put off the party till Sunday?——_____ .The place is booked in advance ,and no other days are available.A.Not reallyB.No wonderC.Don't mention itD.Never mind为什么不选D? 有一道英语单选题We will have the final examinations next week,so our teachers are busy ____the exams.A.preparing forB.preparing为什么答案选B 不选A 呢?preparing 也是为考试准备呀 什么是氧化反应 氧化剂 顺便说下 还原反应,还原剂!他们化合价怎么变 化学实验中化合价升高的是氧化剂还是还原剂?生成物被氧化还是被还原?还原剂;被氧化. 同一还原剂与不同氧化剂反应,怎样通过氧化产物的化合价高低判断氧化剂的氧化性强弱: 在25摄氏度下,将a摩尔每升的氨水与0.01摩尔每升的盐酸等体积混合,反应平衡时溶液中氨根离子浓度与氯离子浓度相等,用含a的代数式表示氨水的电离常数为——5* 10^(-5) / (a-0.01) CO+H2O=CO2+H2 现在CO被H2O反应掉百分之75 ,则C的氧化物中m（C):M(O) 为 我算出来3：14 可是不对 几道英文单选题,1.Twelve inches_____one foot.A.make B.makes C.is making D.will make2.”The possibility of the flood was just reported over the radio.”“I know.I heard abut it.The river_____the topof its bank.”A.got B.get C.gets D.has got3 求几道英语单选题答案39-45单选题39.-- How do you like your major?-- ____________________________.a、Do not like it very much.b、 I would like to have one.c、It looks like a good job.d、It is very nice of you.40 - Wanna talk with me?--