熔点与沸点用知识解释日常现象

Would you be ___ to show me the way to the station?A.good enough1.Would you be ___ to show me the way to the station?A.good enough B.so good as C.so good D.as good as2.Einstein loved music and he was ___ good violinist.A.fairly a B.a rather C.a fairl 若a≠b,则a²≠b² 是真命题还是假命题 命题“对于任何实数a,b,都有a²+b²≥2ab”是真命题还是假命题,理由 理由 英语翻译什么叫really a GRE at honor 这句话对吗?Thanks for your concern.It's a great honor to be an employee.Thanks for your concern.It's a great honor to be an employee.I'll try all my best to create more value for this most respectable enterprise.有错的或者不恰当的吗? It's a great honor for me____to visit your country有以下选项;A.to invite B.having been invited C.to have been invited D.invited选什么,为什麽? It's a great honor for me to be here in Shanghai中be起什么作用? Can you tell me ___ the railway station?A.how I can get toB.how can I get toC.where I can get toD.where can I get to 高一圆的方程几道简单的填空1.已知圆C：x^2+y^2+(2a+1)x-ay+2(a^2)=0,当a=_____时,圆C的面积最大,此时圆C的标准方程为______2.已知方程：x^2+y^2+2(a-2)x+2ay+2(a^2),当_______时,此时方程表示圆3.圆x^2+y^2-6x+4y=0 三个连续的偶数的和是A,其中最小的是（A/3-1)最大的是(A/3=1)对吗 1、有3个连续的偶数,如果最小的是a,这三个数的和是( ).T^T 几道方程,请写出详细解法,1.x=-2是方程kx-3=2x+k的解,求k的值.2.若关于x的方程mxm+2 +m-3=0是关于x的一元一次方程,求这个方程的解3.若方程（m-3)x│m│-2+m-1=0是关于x的一元一次方程,求m的值,并求这 S三角形ABC=1/2(ab*sin c)这条公式是怎样得出来的 当α,β都为正锐角时,利用三角形的公式推出sin(α+β)的公式 画圆圈的那几题 欣欣向荣的意思 欣欣向荣是什么意思 欣欣向荣是什么意思 画圆圈什么意思 已知多项式ax2+bx+c,当x=1时,多项式的值为0；当x=－1时,多项式的值为－1,求关于x的一元二次方程ax2+bx+c=0和x2－bx＋c＋b－2＝0的一个根. 下列说法错误的是 A 单项式4ab²c的系数与次数均为4 B a,1都是单项式 C 2xy是二次单项式D 1/x是一次单项式下列代数式中不是单项式的是A 0 B -a C ab/3 Da+b/2下列格式中,符合代数式的书写格式的 Liza __well not want to go on the trip -she hates travelling. Liza __well not want to go on the trip -she hates travelling.A,will B may 为什么选B may will在这道题中有什么区别 Liza____well not want to go on the tripshe hates travelinga.will b .can c.must d.may 为什么选D Lisa ___ well not want to go to the trip.she hates traveling.为什么是填may. 欣欣的成语天地 不什么向上 成语 设函数fx=1+x-ln(1+x),当0是0＜a＜1 关于travelling的初二英语作文是旅游的好处. 关于experience in travelling的作文作文提到的内容有.Where did you go When and how did you go there Where did you stay What did you do there What did you enjoy most When and how did you come back How do you like the travelling experoence travelling 作文 A travelling experience作文