小学数学教具制作模型

英语演讲日常要如何准备?需要大家集思广益,本人正修炼口语,平时也看看英文小说,电影,有个全国性演讲比赛想参加,需要过来人给点建议,这段时间该如何准备,怎样更好的全方面提高自己的 I've got a pen是什么意思? 英语不好,大学英语怎么办 青年成才关键是自身努力还是外部机遇要找有利于“外部机遇”这方面的理论或是例子,请大家给点参考意见吧! 青年成才的关键在于自我努力还是外部机遇?以自我努力为主 怎样向青年成才的关键是外部机遇提问辩论赛，我们是正方“青年成才的关键是自身能力”，我是三辩，要向对方提问，感激不尽~ 易姓的英文拼写是什么 有谁可以帮忙提供一个女姓的英文名,要求易拼写,易念.当然好听,意思是正面的.如果能是W或M开头的更好,没有也没有关系, 求文档:The old man has a long beard改写为一般疑问句 The old man has two ——A.son-in-law B.sons-in-law C.son-in-laws D.sons-in-laws 2.English is a bridge ---A.of many knowledgesB.of much knowledgeC.to much knowledgeD.to many knowledges A开头的英语情侣名 The old man has poor____. He had looked at his watch.He went to the station.连成一句. our english teacher remained----after he heard the newsA happy B happilyC happiness 英汉互译：总有一天我们能到太空游玩.We can travel in the space___________.急. 做文 我的理想 Eating is difficult on __space station because there is no gravity in __outer space.A.the;an B.the;the; C./;the D.the;/ because of you 空间链接 kelly clarkson(准的） ?uncle is an engineer为什么是Tom and joan's而不是tom's and joan's tom's and joan tom and joan There is not enough _____ for birds because people build too many houses here A.space B.areas C.foo My uncle is an engineer.(就画线部分提问)May is167 cm tall.（就画线部分提问）They are from Hainan .（就画线部分提问）He enjoys playing chess.（就划线部分提问）Is that your new English teacher.（作否定回答） I must go to the grocer’s to get some cheese.为什么要加第二个to?第一个to 表示去到某个地方,也是固定搭配.那为什么要加第二个to?可以不加吗?还有，must 后面为什么不加个to呢？ She don't believeb me.中哪错了 蝴蝶u盘she's品牌 是限量版的吗这个 u盘 she does't like the movies为什么要加the Does she has a cell phone?哪里错了? 帮我写个漂亮的英文句子Half of the freshman year of life has ended, the next semester is about to start a new life. 把这句话写得漂亮些,急…… it would be very d___ for us to travel to space ,if w___ aren't astronauts . two hundred people died in the accident._____children.选哪个?为什么?A.many of them wereB.many of them areC.many of whom wereD.many whom were 设集合M={a,b,c},N={-1,0,1}若从集合M到N得映射满足f(a)>f(b)大于等于f(c),则映射f：M→N的个数是多少? 歌词里有 no way ---- my mind ,it's over 是什么歌 歌词里面有 it's over 设集合M={x|1