火箭发射的燃料是什么

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火箭发射的燃料是什么
,正确形式填空4.It _________ten years since they _____________to France .A.was…moved B.was …have moved C.is …have moved D.is …moved10.Mr White invited his friends __________dinner with him.A.had B.have C.having D.to have11.The weather in 英语适当形式填空与选择题1.jenny drives as()(care) as me2.kitty did quite () in the english ,i did even()a.better;well b,good;better c,well; better d.well;better 英语选择题和适当形式填空Thank you for your help .---It is my ___(please).( )mrs Green ___ go to hospital,but now she is in good health.A.has to b.needs to c.used to D.ought to 英语选择题选词填空(适当形式)选3个good,easy,many1.each team must try to score ________ runs than the other tean does.2.second,they must catch and throw the ball__________3.you can understand what is happening in the field_________. 英语单项选择题,以适当形式填空怎么做英语卷老是这两个不会,谁有办法,就算给我说几个固定短语也可以啊如:help sb (to)do sth 学六年级下册英语课堂作业本第44页2.3两题怎么做 帮我详细解释一下三角函数、反三角函数和对数函数他们的性质、计算,最好有例题. 请教有关指数函数、对数函数、三角函数和反三角函数的问题?所有指数函数、对数函数、三角函数和反三角函数的图象和性质 还有Y=Asinx+bcosx怎样转化为基本函数形式并求周期 关于X的实系数方程X^2+KX+K^2-3K=0有一个模为2的虚数根求实数K 关于x的方程x^2-kx+6=0的两个实根均大于1.求实数k的取值范围答案上写k/2>1,f(1)=1-k+6>0 △=k^2-24>=0,解得2√6 若方程kxˇ2—(2k+1)x-3=0在(-1,1)和(1,3)内各有一个实数根,求实数k的取答案k0并不在该题给的区间中, 解方程 3x^2-18x-10=0 解方程:X倍的更号X分之2 +2倍的更号2分之更号X +更号18X =10 我急用那\\ 3道难度的英语选择题请帮我找3道高中英语选择题(很有挑战性的,有难度的), 设当x≤1,函数y=4^x-2^(x+1) +2的值域为D,且当x∈D,恒有f(x)=x^2+kx+5≤4x,求实数k的取值范围 已知函数f(x)=lnx+1 (1)若f(x)≤kx恒成立,求实数k的取值范围 1,(你的)翻译成英文 2,(有)翻译成英文 3,(我)翻译英文 设函数f(x)=kx^2-kx-6+k,若对于k属于【-2,2】,f(x) 英语翻译要表达就是现在问别人,放弃的过去的动作,这个意思.请问哪一个是正确的?或者说都不正确的话应该怎么写?为什么要这么说?几种说法意思上有区别吗?why did you give up cure?why do you gave u 把钞票捡起来 翻译成英文 解方程:5(x+8)=102 解方程:(102+X)÷(168+X)=0.618 解方程4+70%x=102 定义在R上的单调函数f(x)满足f(x+y)=f(x)+f(y) 且f(1)=2 若f(kx)+f(x-2) 英语翻译 函数 (15 16:59:54)已知45° 解方程11%x+x=102 1.September 11,2001 is the day _____we will never forget.A.thatB.whenC.on whichD.on that2.Is this village ___some students visited last year?A.where B.whichC.thatD.the one 1.为什么不是选when 2.为什么不选which 麻烦说明理由!he believe,( ),that people should start as early as possible to look at the world and at the world and atnature and to think about what they saw.A as does his mother B as his mother does C as did his mother D his mother as did 1.It was natural that he ______ the days before going home.A,count B,counted C,had counted D,counts 这3空填啥,英语的! 英语最后3个空怎么填