初一最难奥数题

英语同义句转换：You’re supposed to pay the bill by Friday. You are supposed to pay the bill by FridYou are supposed to pay the bill by Friday.You are____ ____ pay the bill ___ ___ ___ Friday 明天这个单词怎么写? 一个圆环跑道,外边的周长相当3.14米,跑道的宽为2米,这个跑道要铺沙子,每平方要沙子0.5吨,共需沙子多少顿. You ___ ___ ___ (应该) pay the bill by Friday. 通信系统故障率低可靠性一定高吗? 什么是软件系统故障率与可靠性 英语翻译Trap Many operations people,and software providers supporting business operations,have been attempting to bridge this gap with so-called project accounting systems.However,for the most part,these tools address little,if any,of the needs o You’re supposed to pay the bill by Friday.by = not late than还是not later than 如何画可靠性框图 With there hair standing on ends汉译 描写土地的四字词语 She is the youngest ______ .A:of her familyB:in her sistersC:of the sisters D:of her sisters请述理由 英语语法问题the aims of these early grammarians were threefold:(a) they wanted tothe aims of these early grammarians were threefold:(a) they wanted to codify the principles of their languages,to show thatthere was a system beneath the apparent 越主代庖的含义是什么 越粗代庖什么意思? 请问玉兔号是不是不行?那着陆器呢? 有关于玉兔着陆月球的问题 就是想问为什么这个月球车着陆的时候,拍下的照片这么不清晰,什么不可以月球有关于玉兔着陆月球的问题就是想问为什么这个月球车着陆的时候,拍下的照片这么 昨日,我市启动“认养一棵树 多吸一口氧”树木绿地认建认养活动,请市民认养身边的一棵树或一片绿地,为城市添一片绿30.(1）请你为这次活动拟写两条标语______________________ 玉兔巡视器和着陆器分离过程中 ,如果以玉兔巡测器为参照物,着陆器是运动还是静止的 通过“认养一棵树,栽培一种花” “我的低碳生活”等体验与创意活动,写一篇节能征文 权责发生制的优点 权责发生制假设?我到现在还是不清楚,如何假设? 读书是为了更全面、更清楚地认识自己,可怎么样才能认清自己呢? 怎样才能更全面地了解历史 《小时了了,大未必佳》交代皆俊才清称及中表亲戚乃通在文中有何作用 小时了了大未必佳 皆俊才清称及中表亲戚乃通的意思（快一点, 会计中的权责发生制是什么意思呢,谢谢 怎样才能真正了解一个人呢? 培英国际英语怎么样 国际英语是英音还是美音? 英语高手来帮我写下英问答吧.急.Would you like to live in a foreign country someday?why or why not?要求不要太长,但也别太短...10句话左右吧.