一年级应该认识的字

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what does she speak language可以改成what language does she speak吗? what language does she speak? 用MATLAB求微分方程,并画出图形解y=dsolve('D3y=D2y-Dy-y+t^2','y(0)=0','Dy(0)=1','D2y(0)=-1')这样解了之后怎么画出图形啊! 用matlab画微分方程的向量场和解曲线微分方程为:Dx/Dt=x*(1-x)*[(a-b-c+d)*x+(b-d)] .a=1,b=2,c=3,d=4;要求画出向量场和解曲线,x的取值范围为[0,1],t为0到无穷大,要用quiver函数求。 what does she in the letter=(say says speak tell) matlab 画微分方程曲线x*d2y/dt2=-1/2*根号下(1+(dy/dx)平方),初使条件当t=0时,x=-100,y=0,y一阶倒数初值也为0, 用matlab画微分方程的相图dx./dt=y*(4+x^2-y^2)dy./dt=-x(-2-x^2+y^2)请写出这方程的matlab相图做法的源程序! 英语翻译2.公园像往常一样挤满了人.(as usual)3.他在门口抖落身上的雪.(shake)4.这座古建筑现在已成为废墟(in ruins)5.世界似乎到了末了.(it seemed that...)6.并非所有人都喜欢流行音乐.(not)6. I believe that the world is what you think it iswhat引导的是从句吗?我不明白这个句子的各个成分,请帮忙分析, 朝花夕拾 狗猫鼠 简析狗和猫成仇家的原因 I,____your good friend,will try my best to help you out A.who is B.who am C.that is D.what is 告诉我下数学名言警句有晓得的人就说下哈,我在此先谢谢你们了3n 告诉我下如何在ppt中加入flash? 有晓得的人就说下哈, 问一下谁能给出90道数学题?有晓得的人就说下哈,我在此先感谢各位7X 给雕梁画栋、巧夺天工、独具匠心、引人入胜、古色古香等词语分类雕梁画栋、巧夺天工、独具匠心、引人入胜、古色古香、余音绕梁、不落窠臼、雅俗共赏美不胜收、脍炙人口、曲高和寡 找出下列句中的通假字并解释 找出下列句中的通假字并解释找出下列句中的通假字并解释1.便要还家( )2.舟首尾长约八分有奇( )3.诎右臂支船( ) 4.左手倚一衡木( )5.虞山王毅叔远甫刻( ) 6.盖 初二(下)原创新课堂物理卷子的答案.谢谢了,大神帮忙啊 物理原创新课堂噪声的危害答案 1、It is better to give than to receive.2、To make a mistake is human.急需这些谚语的翻译,英译汉 It is essential that the human does not make a mistake这句话是什么从句,是什么时态的啊? My opinion is Making mistake is human being,of course we have to define the mistake,ask self if I made mistake before,I have to defend myself,the answer is no, It is essential taht the human doesn't make a mistake .这句话是主语从句吗? they are going to ask gina for help (them).请问是thm还是themselves?理由又是什么呢? a to the them ask policeman street they help in 连词成句 雕梁画栋、巧夺天工、独具匠心、引人入胜的意思雕梁画栋、巧夺天工、独具匠心、引人入胜、古色古香、余音绕梁、不落窠臼、雅俗共赏、美不胜收、脍炙人口、曲高和寡、妙笔生花、阳 找出下列句中的通假字并解释.卜者知其指意( ) What are you doing for your dream job 晓得的人说下哈,本人先在此感谢大家了朽2 告诉下人教版六年级数学书上册所有练习十内容包括答案F晓得的人说下哈,本人先在此谢谢大伙9Nf 请问下谁知道人教版六年级数学书上册练习十内容和答案谁有?晓得的人说下哈,本人先在此感受大伙8K 请问下谁知道人教版六年级数学书上册练习十内容和答案谁有?晓得的人说下哈,本人先在此感受大伙6K 请问一下有谁知道人教版六年级数学书上册练习十内容和答案谁有?晓得的人说下哈,本人先在此感受大伙4h