已知周长和面积求长宽

求 《人邮版剑桥商务英语证书（中级）模拟试题册》的听力MP3 帮忙翻译个短语：不知道“不知道”,不加主语,怎么翻译呢?我觉得Don't know不对,因为Don't ……是否定的祈使句,翻译成“别怎么样”,比如Don't open the door别开门.那不知道该怎么翻译呢? 英语翻译the actual stuff of language itself-words Most of the students in our class are____ A..thirteen years old B.thirteen_years oldC.thirteen_years_old D.thirteen_years_oldS Nancy is ______ girl.选项:a、a eighteen-year-old b、an eighteen-years-old c、a eighteen-years-oldNancy is ______ girl.选项:a、a eighteen-year-oldb、an eighteen-years-oldc、a eighteen-years-oldd、an eighteen-year-old she often watched tv this evening 这句话语法对吗?在不改变often的情况下 英语翻译 she is __woman that she often helps the poorA.so kind ab.such a kind为什么选B而不是A Ronaldo started playing for his national team when he was seventeen.改为同义句Ronaldo started playing for his national team____ _________ _______ _____ ______. He could swim when he was five.同义句转换转换为He___ ___ ___swim___the age of five he began teaching when he was 17.改为同义句he began teaching———— ———— ———— ————17 现在数量相当的鸭兔同笼,已知兔脚比鸭脚多28只.问笼子中的鸭和兔各有多少只? 一个笼子里现有数量相同的羊和鸭,已知羊脚比鸭脚多20只,笼中的羊和鸭各有多少只 I konw the girl——red.she is Kate 怎么写电极反应方程式 I left school ten years ago.(改为同义句)I _______ ________ ________ from school ________ ten years. Jackson left school two years ago and he _________ for two years.A) has leftB) has been awayC) has goneD) went 翻译一个英文简历,急用! （数学）用一根长10.28米绳子,围成一个半圆形,这个半圆的半径是多少米?面积是多少平方米?为什么? 用一根长10.28绳子围成一个半圆,这个半圆的半径是 米,面积是 平方米. 九年级语文上册怎么写"雨的自述"?初三语文人教版上册第二课郑愁予的"雨说"改写成300至500字的"雨的自述"最好是散文的形式.. 急~~~ 九年级上册语文书出师表下文注释是语文书的下文注释,不是全书翻译,急要,帮忙一下,万分谢谢了,不是没书,只是我忘记带了,明天要交了,所以才来找的,你有书么? 人教版九年级上册语文书词五首注释 急啊! 李良用一根长10.28米的绳子围成一个半圆形这个半圆的半径是多少米面积是多少平方米? 小李用一根长10.28米的绳子围成一个如图所示的半圆形.这个半圆的半径是（）米,面积是（）平方米. 李良用一根长10.28米的绳子围成一个半圆形,这个半圆的半径是（ ）米,面积是（ ）平李良用一根长10.28米的绳子围成一个半圆形,这个半圆的半径是（ ）米,面积是（ ）平方米. 帮忙翻译段文字英译汉I've been on the run Slept under the sun Feeding off the clouds and eating them like ice cream I've been all around Never left this town Blisters on my eyelids like it's spring in Paris I've seen everything, I've dreamt 英语翻译Tiles have to be saw cutAll cuts must be saw cut!Hammer cut tiles are not allowed!This is very important and I have to kindly ask you to confirm this.Any sign of hammer cut tiles and the windbox can not be approved for delivery. 如何翻译这段文字,英译汉Water Pollution ThreatensNorthwest ChinaNearly 80 percent of the population in northwestChina are living in an environment with serious ormoderate water pollution,according to a recent reportby the Chinese Academy of 英语翻译1.du er en god venner jeg kan godt lide dig2.tak skal du hanv venner.某闹诡异的笑一个..我的天哪..居然说错了..这是丹麦语谢谢.. 英语翻译suggested use:as a dietarysupplement for adults,take two softgels daily with the meal of your choice.if you are pregnant or nursing a baby,ask a doctor before using this product.if you are taking medication,facing surgery or have bleeding 英语翻译视频去土豆搜 小柯与小毕的小黑屋挑战31 只翻大概对话就好了,当然越详细越好2 中英对照最好,只英文也可以3视频就2分钟4实在听不说来的地方算了也行视频里会出现的人名两个演