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— Have you known Mrs. Jackson for a long time? — Yes, since she _____the music club. [ ]A. has joine
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It's the second time that I _____in Shanghai! What great changes have taken place in Shanghai!
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短文改错。 One day in the restaurant where I worked, I am serving a table of four and each person had ord
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(-2)2的平方根是[]A.2B.±2C.-2D.-九年级数学
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一个正方形的边长如果增加2cm,面积则增加32cm2,则这个正方形的边长为[]A.6cmB.5cmC.8cmD.7cm-七年级数学
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的平方根是[]A.4B.±4C.2D.±2-七年级数学
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的平方根是[]A.9B.±9C.±3D.3-八年级数学
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数字25的平方根为()。-七年级数学
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一个数的平方根等于它的立方根,这个数是()A.0或1B.1C.0D.0和±1-数学
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— Jenny bought a new mobile phone the other day.— _____? That's her third one in just one month
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— Ann is in hospital. — Oh, really? I _____ know, I _____ go and visit her. [ ]A. didn't; am go
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— How long have you been at home? — Half an hour. My son_____ me home.[ ]A. would drive B. had drive
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一个数的平方为16,这个数是()-七年级数学
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解方程:(1)5x2﹣35=0;(2)2(x2﹣7)=3(x2﹣8).-七年级数学
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Not until I was a senior student _____the importance of English. [ ]A. I have realized B. did I real
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I was out of town at the time, so I don't know exactly how it _____. [ ]A. was happening B. hap
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64的算术平方根是______,平方根是______,立方根是______.-数学
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按照下图所示的操作步骤,若输出y的值为22,则输入的值x为().-七年级数学
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如果一个数的平方根是3x和﹣2x+2,则这个数是().-七年级数学
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81的平方根是[]A.±3B.±9C.3D.9-八年级数学
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—I can't believe it! I only got a B on my project. — That's not a bad grade. — But I_____
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下列命题中,正确的是[]A.﹣25的平方根是±5B.4的算术平方根是2C.27的立方根是±3D.的立方是8-七年级数学
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— Remember the first time we _____, Ed? — Of course, I do. You _____ a song on the stage. [ ]A. have
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— I've got to go now. — Must you? I _____ you could stay for dinner with us.[ ]A. think B. thou
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916的平方根是______;81的算术平方根是______;81的平方根是______.-数学
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下列结论中,正确的是[]A.1的平方根是1B.﹣4的平方根是±2C.的平方根是±2D.0没有平方根-七年级数学
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的平方根是()-七年级数学
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3的平方根是[]A.9B.±3C.D.-七年级数学
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若x2=9,则x=().-七年级数学
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如果x<0,x2=25,则可断定x=().-七年级数学
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若|﹣a|=4,则a的值是﹙﹚;若x2=4,则x﹙﹚.-七年级数学
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16的平方根是().-八年级数学
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的平方根是().-七年级数学
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25的平方根是﹙﹚,﹣8的立方根是﹙﹚.-八年级数学
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一 Your colleague's spoken English is beautiful, Lily. 一 It's no wonder. She _____ in the U
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短文改错。 假定英语课上老师要求同桌交换修改作文, 请你修改你同桌写的以下作文。文中共有十处语言错误, 每句中最多有两处。错误涉及一个单词的增加, 删除, 或修改。 增-高二英语
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— You speak very good French! — Thanks. I _____ French in Sichuan University for four years. [ ]A. s
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Hearing the dog barking fiercely, away _____. [ ]A. fleeing the thief B. was fleeing the thiefC. the
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﹣2的4次幂是(),144是()的平方数.-七年级数学
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Tom told us that he _____ born in 1989. [ ]A. was B. had been C. is D. has been -高一英语
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— It's many years since I saw you last. I _____ you at all. — I wouldn't have, either, if
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若整数m满足条件=m+1且m<,则m的值是().-九年级数学
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64的平方根是()-八年级数学
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下列说法正确的是[]A.2是﹣4的算术平方根B.5是(﹣5)2的算术平方根C.的平方根是±3D.27的立方根是±3-七年级数学
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下列说法正确的是[]A.4的平方根是2B.将点(﹣2,﹣3)向右平移5个单位长度到点(﹣2,2)C.是无理数D.点(﹣2,﹣3)关于x轴的对称点是(﹣2,3)-八年级数学
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9的平方根是[]A.3B.﹣3C.±3D.81-八年级数学
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的平方根是().-八年级数学
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的平方根是().-八年级数学
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一个数的平方是4,则这个数是().-七年级数学
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若a2=25,则a=()-七年级数学
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