— Why did you step on my foot? — I am terribly sorry. I ____ it. [ ]A. am not noticing B. didn'

更多内容推荐

• 单词拼写。根据下列句子及所给汉语注释,写出空缺处各单词的正确形式。(每空只写一词) 1.When his mother entered the room, he ______ to be readin
• 一个数的平方是25，则这个数是______；一个数的立方根是1，则这个数是______．-数学
• 求下列各数的平方根：（1）0（2）12181（3）1108．-数学
• 计算：4=______；16的平方根是______．-数学
• 短文改错。 In 1972, the United Nations hold a meeting in Sweden to share ideas about ways to take better
• I know a little bit about the city as I ______ there for one year in my youth. [ ]A. am studyingB. h
• 16的平方根为（）。-八年级数学
• Scientists have many theories about how the universe _____ into being. [ ]A. came B. was coming C. h
• Jack could have avoided that terrible car accident, but he ________ careful enough.[ ]A. is not B. h
• As a result of the severe earthquake in Wenchuan, the whole city _____great losses. [ ]A. have suffe
• 若x2=16，则x的值为（）A．4B．±4C．2D．±2-数学
• 下列说法或求值中正确的是（）A．81的平方根是±9B．81的平方根是±3C．4=±2D．1的立方根是±1-数学
• 1的平方根是______．-数学
• ______的平方根是0，______的平方根是±8．-数学
• 9的平方根是（）。-八年级数学
• 已知2a-1的平方根为±33a+b-1的平方根为，求a+2b的平方根-八年级数学
• 下列说法正确的是（）A．0.25是0.5的一个平方根B．负数有一个平方根C．72的平方根是7D．正数有两个平方根，且这两个平方根之和等于0-数学
• 已知2a-1的平方根是±3，4是3a+b-1的算术平方根，求a+2b的值。-八年级数学
• 如果x2=6，那么x叫做6的______，记作______．-数学
• —That's a great sweater. I have never seen anything like it before.—You think so? My grandmothe
• _____with traditional Chinese art made Mr, Seville _____ to come to China for study. [ ]A. Being obs
• 短文改错。 In the past, man don't have to think about the protectionof the environment. There were m
• Ever since the financial crisis _____, many workers _____ from their jobs. [ ]A. broke out; were lai
• 计算：求16的平方根______．-数学
• 一个数的平方根是它本身，这个数是（）A．0B．0和1C．±1D．±1和0-数学
• 如果一个实数的平方根与它的立方根相等，则这个数是（）A．0B．正实数C．0和1D．1-数学
• 5的平方根是______，算术平方根是______．-数学
• Mom used only half of the money, the rest of which ______ saved for other purposes. [ ]A. is B. are
• — How long have you _____?— It's about ten years since we _____.[ ]A. married, married B. been
• Cars moved very slowly in the 1920s, but they ______ move more quickly than in 1910. [ ]A. were to B
• 5表示______，±5表示______．-数学
• 64的平方根是______，立方根是______．-数学
• The company had about 20 notebook computers but only one-third _____used regularly. Now we have 60 w
• 一个数的平方根与这个数的算术平方根相等，这个数是[]A.1B.-1C.0D.1或0-八年级数学
• 9的算术平方根是______，4的平方根是______，364立方根是______．-数学
• 正数的平方根有______个，它们互为______，零的平方根为______，负数______．-数学
• He ______ the job well, but he ______ so careless. [ ]A. hadn't done ; had beenB. could have do
• 64的平方根是______，64的算术平方根是______，64的立方根是______．-数学
• 如果a的平方根等于±2，那么a=______．-数学
• 81的平方根是______；若x2=64，则x的立方根为______．-数学
• Two years has passed since I _____ you the first time. [ ]A. meet B. have met C. met D. had met -高三英
• 如果a（a＞0）的平方根是±m，那么（）A．a2=±mB．a=±m2C．a=±mD．±a=±m-数学
• 的平方根是（），64的立方根是（）。-八年级数学
• 4的平方根是[]A．2B．16C．±2D．±16-九年级数学
• — You could have walked here. — Yes. A taxi ______ necessary.[ ]A. is B. was C. isn'tD. wasn�
• Such a problem still exists because no adequate measures for preventing it _____ taken in the past.
• 完形填空。 I can never forget her-the little girl with a1so strong and powerful. We could hear her halfwa
• 下列说法中，错误的是（）A．3是3的平方根B．3是3的算术平方根C．33是3的立方根D．3的平方根是3-数学
• I don't understand how you got a ticket. I always _____ you _____ a careful driver. [ ]A. think
• — Have you finished your composition already?— Yes. I _____ it in twenty minutes. [ ]A. am finishing