下列式子正确的是[]A．B．C．=﹣1D．-八年级数学

更多内容推荐

• If you don't like the drink you _____ just leave it and try a different one. [ ]A. ordered B. a
• — Has your father returned from Africa yet?—Yes, but he _____ here for only three days before his co
• The little girl _____her heart out because she _____ her toy bear and believed she wasn't everg
• To her surprise, the life she had been looking forward to _____ to be unpleasant. [ ]A. prove B. bei
• 的算术平方根是[]A．2B．±2C．D．±-八年级数学
• 若x2=81a4b6，则x=______．-数学
• 计算：=（）。-八年级数学
• — Ouch! You hurt me! — I am sorry. But I _____any harm. I _____ to drive a rat out. [ ]A. didn'
• In 1492, Columbus ______ on one of the Bahama Islands, but the mistook is for an island off India. [
• —We could have asked Miss Keller for help. She is always kind-hearted. —Yes. A whole day ____. [ ]A.
• I had no idea when and where _____. [ ]A. it happened B. does it happen C. it had happened D. had it
• Rose said that seldom _____ to Yaxiya Department Store for shopping. [ ]A. went sheB. does she goC.
• I don't believe you've already finished reading the book - I _____ it to you this morning!
• 交通警察通常根据刹车后车轮滑过的距离估计车辆行驶的速度，所用的经验公式是v=16df，其中v表示车速（单位：千米/时，d表示刹车后车轮滑过的距离（单位：米），f表示摩擦因数，在-数学
• 若2m-1没有平方根，则m的取值范围是（）。-八年级数学
• 4的平方根是[]A.2B.-2C.±2D.±-九年级数学
• — Do you want a lift home? — It's very kind of you, but I haveto work late in the office. I ove
• —Ann is in hospital.— Oh, really? I _____ know. I _____ go and visit her. [ ]A. didn't; am goin
• 下列说法中，正确的是[]A．的立方根是B．﹣225的算术平方根是15C．零的算术平方根和立方根都是零D．因为﹣5的平方是25，所以25的平方根可表示为-八年级数学
• 是（）的平方根-八年级数学
• 如果x2的负的平方根是x，那么等于[]A．﹣xB．xC．±xD．以上都不对-八年级数学
• 81的平方根是______；64的立方根是______．-数学
• 如果(x-4)2=25，那么x的值是[]A.±1B.1C.±9D.9或-1-八年级数学
• — You look so young. Haven't you graduated from your university? — Yes. I_____in the English de
• 的平方根是（）．-八年级数学
• （1）已知2x+1的平方根为±5，求5x+4的立方根。（2）已知x+y的算术平方根是3，（x-y）2=9，求xy的值.。-八年级数学
• Only then _____ how much damage had been caused. [ ]A. she realizedB. she had realizedC. had she rea
• If the weather had been better, we could have had a picnic. But it _____all day. [ ]A. rained B. rai
• —The food here is nice enough.— My friend _____ me a right place. [ ]A. introduces B. introduced C.
• When I talked with my grandma on the phone, she sounded weak, but by the time we _____ up, her voice
• Scientists have many theories about how the universe ____ into being. [ ]A. came B. was coming C. ha
• 在实数范围内，数0，7，﹣81，（﹣5）2中，有平方根的有[]A．1个B．2个C．3个D．4个-八年级数学
• 1681的平方根是______．-数学
• 若一个奇数的立方根比3大，平方根比6小，且能被称5整除，则这个数一定是______．-数学
• — Why is your English so good, Amy? — Well, my uncle gives me a hand at home, for he _____in Austral
• — You look very tired _____ at all last night? — No, not really. I'm tired out now. [ ]A. Do yo
• 单词拼写。 根据下列句子及所给汉语注释，在句子右边的横线上写出空缺处各单词的正确形式。（每空只写一词） 1. I'm very hungry— I _____(错过)luch. 2. Jac
• 填空：（1）9的平方根是______，9的算术平方根是______；（2）6的平方根是______，6的算术平方根是______；（3）0的平方根是______，0的算术平方根是______．-数学
• — Have you read book called Waiting for Anya? — Who _____ it? [ ]A. writes B. has written C. wrote D
• 9的平方根是[]A．3B．﹣3C．±3D．81-八年级数学
• 平方根等于它本身的数是[]A．0B．1，0C．0，1，﹣1D．0，﹣1-八年级数学
• （﹣2）2的平方根是（）。-八年级数学
• 4的平方根是﹙﹚．-七年级数学
• 计算：﹣=（）．-七年级数学
• ﹣0.5的倒数是()，5的相反数是()，平方等于49的数是()．-七年级数学
• 52+122的平方根是（）A．13B．13C．±l3D．±13-数学
• 短文改错。 请按下列情况改错： 该行多一个词：把多余的词用斜线（／）划掉，在该行右边横线上写出并划掉。该行缺一个词：在缺词处加一个漏字符号（），在该行右边横线上写出该加的词-高三英语
• —Bob has gone to California.— Oh, can you tell me when he _____?[ ]A. has left B. left C. is leaving
• The water _____cool when I jumped into the pool for morning exercise. [ ]A. was felt B. is felt C. f
• I wasn't sure if he was really interested or if he _____polite. [ ]A. was just being B. will ju