black+pay+back

靳岩罚1800化学语言是学习化学的重要工具.(1)填写化学符号或化学符号表示的含义: 内容 ① ② ③ 化 -
欧莘阙13546316517 ______ (1)①元素符号前面的数字表示几个这样的原子,2Fe表示两个铁原子 ②钠离子带一个单位负电荷,表示为Na+③最...

靳岩罚1800如图1是某同学在实验室中进行铝热反应(铝过量)的实验装置,实验中他观察到的现象之一为“纸漏斗的下部 -
欧莘阙13546316517 ______ (1)铝粉和氧化铁在高温下反应生成氧化铝和铁,反应的离子方程式为2Al+Fe2O3 高温 . Al2O3+2Fe,故答案为:2A...

靳岩罚1800用表示颜色的词填空.black+white=____ - red+yellow=_____ - green+_____=brown grey - white=______ - -
欧莘阙13546316517 ______[答案] black+white=__grey___ red+yellow=___orange___ green+__red___=brown grey-white=__black_____

靳岩罚1800求一个关于数学的英语笑话关于数学的英文笑话,还要有中文翻译.&一楼的,我要第一个 -
欧莘阙13546316517 ______[答案] 1)定理/Theorem:1 = -1 证明/Proof: x=1 x^2=x x^2-1=x-1 (x+1)(x-1)=(x-1) (x+1)=(x-1)/(x-1) x+1=1 x=0 0=1 => 0/0=1/1=1 2)Pi ... ＂ 3) A mathematician,a physicist,and an engineer were traveling through Scotland when they saw a black sheep through the ...

靳岩罚1800付钱的英文怎么说 -
欧莘阙13546316517 ______ 我补充两个: pay (some money) for sth in cash; buy sth for some money

靳岩罚18001.black+white=( ) 3.red+yellow=( ) 2.green+( )=brown 4.grey - white=( )答案是英文!英文! -
欧莘阙13546316517 ______[答案] 1.grey 3.orange 2.red 4.black

靳岩罚1800请教连读:You'll pay me back in kind and reap just what you've sown -
欧莘阙13546316517 ______ 第一句You'll pay me back in kind and reap just what you've sown 整句连读音标:jul pe mi bæ gin kain dən rip dʒʌs hwa tfju v son 其中: back in连读,“-k”浊化为“-g”,音标:bæ gin kind and连读,and弱读,后面“-d”省略,音标:...

靳岩罚1800英文单词填空(white)+(black)=( ),(blue)+( )=(purple) -
欧莘阙13546316517 ______ (white)+(black)=( gray),(blue)+( red)=(purple)

靳岩罚1800blue+red,red+green,red+White,black+White分别能调成什么颜色? -
欧莘阙13546316517 ______[答案] red +blue=purple(紫色) red+green=black red+white=pink black+white=grey

靳岩罚1800cost pay spend take有什么区别? 如何使用? 请详细说明并附例句, 谢! -
欧莘阙13546316517 ______ spend的主语必须是人, 常用于以下结构:(1) spend time /money on sth. 在……上花费时间(金钱).例:I spent two hours on this maths problem. 这道数学题花了我两个小时.(2) spend time / money (in) doing sth. 花费时间(金钱)做某事...