航天二院礼堂

48.She ______ a college student for more than a year A.became B.has become C.is D.has been 公约数、质数、合数、互质数、素质数的概念请说得简单易懂点, 填空：Your hair is too long.You have to k_____ your hair short. Your hair is long.You should get it[ ].A.cut B.cuts C.cutting D.to cut Your hair is too long and you must have a h_____. Your hair is too long,You must have it _____(cut) this afternoon 单词的适当形式填空 I have （ ） busy week a＞b＞c,abc的最大公约数是15,ab最大的公约数是75,ab的最小公倍数是450,bc的最小公倍数是1050,c是多少 are your money as much as hers?这里哪错了? Her hair is very long.改为一般疑问句 Are these your pens?改写句子,使其意思与原句基本相同 复旦出版社21世纪大学实用英语综合练习（第一册）答案 21世纪大学实用英语第一册综合教程,综合练习的答案不要文章翻译. I have a busy vacation 英语作文 90次左右也可以为My vacation plan 求一篇英语作文,BUSY WEEKEND70词左右,不要太少了 第六题,如何分真命题,假命题 短文I have busy weekend 写出4和9的公约数,并求出它们的最大公约数.4的约数：1 2 4；9的约数：1 3 9.4和9只有个公约数1,因此4和9的最大公约数是1.公约数只有1的两个数,是互质数.例如4和9是互质数,3和7,14和15,1和2也都 关于古诗的作文 How long could I_____your English-Chinese dictionary?----Only one day,please.A.keep B.borrowC.lend D.get keep your hair on 英语翻译建筑工程的特点决定了在合同执行的过程中,约定的工程价款很难不发生改变.尤其是在我国,边设计、边施工的现状必然导致大量设计变更的出现,使得竣工结算成为大多数建设工程施 please keep your change什么意思 具备施工条件 翻译成英语是?急! please keep it in your firm hold. 施工用的 台车 英语怎么翻译 王八的英文单词 王八和乌龟在英语中是一个词吗? 英语翻译Pumping direction reversed:upward in centre of the vessel(along the axis ). Have you ever been to water p______.根据所给首字母补全单词 I have been to the Water Park 改为一般疑问句 _____you ____to the Water Park?John hasn`t been to the space museum 改为同义句John____been to the space museumTom has some problems finding noodles and dumplings 改为否定句Tom ___have ____ 连词成句.busy,my father,last weekend,was. Last weekend,Li Lei was busy!这句话有错误吗?如果有.请把它修改正确,但意思不变.