二价铁和双氧水

jane comes from canada的comes可以换成come吗为什么 Jane comes from（ China ）（对括号部分提问） _ _ Jane _ _Jane comes from（ China ）（对括号部分提问） _ _ Jane _ 英语作文中国教育 The lake is not near,so there are (a few few little a little)people going swimming there.Read in bed (too much much too too many)is bad for our health There are many ducks are swimming in the lake.纠错解析. Welcome to go home 的中文意思 我和班上的一些同学一样,强烈地爱上了写日记.（缩句） 写日记的基本常识大家帮帮忙 填写以下有关写日记的常识!（1）写日记就是把自己————、—————、—————,特别是自己做过的——————————的事情记下来.（2）坚持写日记,可以提高自己的————能 welcome to my home 如何变一般疑问句 选择：You have been doing washing all the morning.You must be tired,( )you?A.mustn`t B.are C.aren`t D.must look at the photo of the smiths ___happy they area how b what c how a d what a不用冠词a呢 I figured you must have been going out of ypur mind"have been doing 在这是什么用法”详细点谢谢 get sb to do sth的用法在八年级英语仁爱版中有这样一句话我有点不明白：I would really like someone to be my friend,but I don't knowhow to get other other students to talk with me.get在这里不是使的意思吗?使役性动 get sb(to)do sth有没有这种用法, You must explain()how they succeeded()the experiment中间填啥A.of us,for B.at us,at C.to us,in 有be succeeded in doing sth 这个短语吗?be successful in doingbe succeeded in doingsucceed in doing 这三个都是正确的吗,如果都是 前两个有什么区别啊? Tom succeeded in doing experiment,____was expected by his instructor.A.as.B.so.C.like.D.what请解答并分析每一个选项选择或者不选的理由. Thank you for___your letter Thank you for your letter的同意句Thank you for ()()me. Just give it your best shotshot 是什么意思?是不是努力，尝试的意思？ Give it your best 离散数学证明 岭南村新挖一条长1500米的引水渠.水渠的横截面是个梯形,上口宽4.6米,下底宽1.2米,深1.4米.挖成这条水渠,共需挖土多少方? （-1）^n=1 满足所有偶数n好久不做,不记得怎么写布置,指导下. 岭南乡新挖一条长1500米的引水渠.水渠的横截面是梯形,上口宽4.6米,下底宽1.2米,深1.4米.挖成这条水渠,共需挖土多少方? can有什么时态 can后接动词什么时态 Thirty m____ is half an hour 你还在别的什么地方见过他吗?Have you seen him ________? 5名挖土工在5时内挖出了5米长的水沟,如果在100时内挖出100米长的水沟,要用多少名挖土工? have you seen anything