— Have you known Dr. Jackson for a long time? — Yes, since she _____ the Chinese Society. [ ]A. has

更多内容推荐

• 64的平方根是______．-数学
• 下列说法正确的是（）A．4的平方根是2B．8的立方根是±2C．25=±5D．3是3的算术平方根-数学
• 625的算术平方根是______，平方根是______．-数学
• 若x2=a（a＞0），那么a叫做x的______，x叫做a的______，记为______．-数学
• — Did you go to the show last night? — Yeah. Every boy and girl in the area _____ invited [ ]A. were
• —Did you tidy your room?— No, I was going to tidy my room but I _____ visitors. [ ]A. had B. have C.
• 短文改错。 此题要求改正所给短文中的错误。对标有题号的每一行做出判断：如有错误（每行只有一个错误），则按下列情况改正：此行多一个词：把多余的词用斜线（\）划掉，在该行右边-高三英语
• 若a有一个平方根等于它的立方根，则3a2+2=______．-数学
• — Have you read the book Oliver Twist? — Who ____ it? [ ]A. writes B. wrote C. has written D. had wr
• 4的平方根是（）；的算术平方根是（）；（）的立方根是-2.-八年级数学
• I was out of town at the time, so I don't know exactly how it ____.[ ]A. was happening B. happe
• — Were you in the library when Jack arrived there? — Yes, but I ____ soon afterwards. [ ]A. had left
• — I've heard Jenny has just bought a BMW X5. — I ____ she has so much money. [ ]A. don't k
• Not until the train pulled into the station _____ that his suitcase was gone. [ ]A. did he find B. h
• _____, but he insisted that he _____ to school. [ ]A. Though he was ill, wentB. He was ill, goC. Hav
• 81的平方根是[]A．±3B．±9C．3D．9-八年级数学
• 下列说法正确的是（）A．1的立方根是±1B．4=±2C．81的平方根是±3D．a2＞0-数学
• When I called you this morning, nobody answered the phone. Where ______?[ ]A. did you go B. have you
• 0.81的平方根是（）A．0.9B．±0.9C．0.09D．±0.09-数学
• 因为116的平方根是±14，所以116=±14______-数学
• 正数的平方根有两个，它们是互为相反数______-数学
• 9的平方根是±3，用数学符号表示，正确是（）A．9=3B．±9=3C．9=±3D．±9=±3-数学
• （x-1）2的平方根是-八年级数学
• — I felt it very difficult to carry on the work all by myself. — I could have helped you, but you __
• — Your spoken English is so good. Have you been abroad? — Yes. I _____ in London for two years.[ ]A.
• The cartoons made by the artists sell best, but several years ago no one could imagine how great a r
• — Thank goodness, you are here! What ____ you? — Traffic jam. [ ]A. keepsB. is keeping C. had keptD.
• — Does your Dad quit smoking, Jenny?— Yes, but he ____ for almost ten years. [ ]A. smokedB. was smok
• The children went home from the grammar school, their lessons _____ for the day. [ ]A. finishing B.
• 4的平方根是[]A．2B．﹣2C．±2D．±4-八年级数学
• 4的平方根是（）。-八年级数学
• 求下列各数的平方根．（1）64（2）1649（3）1104（4）2.25．-数学
• — How did you play in the match? — Well, our team was ahead by 2 to 0 during the first half, but we
• — Would you have told him the answer had it been possible? .— I would have, but I _____ so busy then
• 0和负数没有平方根．______-数学
• 27的平方根等于（）A．3B．33C．±3D．±33-数学
• 16的平方根是[]A、4B、±4C、2D、±2-七年级数学
• 如果一个有理数的平方根和立方根相同，那么这个数是（）A．±1B．0C．1D．0和1-数学
• The play had already been on for quite some time when we _____ at the New Theatre. [ ]A. have arrive
• 49121的平方根是______，算术平方根是______．-数学
• 立方根等于本身的数的个数为a，平方根等于本身的数的个数是b，算术平方根等于本身的数的个数为c，倒数等于本身的数的个数是d，则a+b+c+d=______．-数学
• 平方根与立方根相等的实数是______．-数学
• — Don't put the waste on the ground, young man. — Oh, I'm sorry. I _____the dustbin there.
• All the students _____ by 10:30, but the speaker _____ until 11:00.[ ]A. return, has turn up B. has
• 关于平方根，下列说法正确的是（）A．任何一个数有两个平方根，并且他们互为相反数B．负数没有平方根C．任何一个数只有一个算术平方根D．以上都不对-数学
• Even though Sara had practiced her speech repeatedly, she _____ her conclusion at the talk show. [ ]
• 16的平方根是______，81的算术平方根是______．-数学
• （﹣2）2的平方根是（）。-八年级数学
• 短文改错。 此题要求改正所给短文中的错误。对标有题号的每一行作出判断： 如有错误（每行只有一个错误），则按下列情况改正： 此行多一个词：把多余的词用斜线（＼）划掉，在该行右-高三英语
• 14的平方根是（）A．116B．18C．12D．±12-数学