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1、What do you want to do in the future?I want to find a job _____ radio .A.at B.in C.for D.to2、It‘s time for dinner .Please stop _________ TVA.watching B.watch C.to watch D.not watch3、It's 7:00 am.Mrs Green is busy _____ her sonA.dressing B.w 1.How are you feeling now?l'm feeling ___ top of the world.A.by B.on C.with D.in2.lt's very kind ___ you ___ me.A.of;help B.of;to help C.for;help D.for;to help3.Every family has its own rule,_____.A.so my family does B.so my family has C.so does my f 英语选择题6道1.Everyone played well._____.2.His home is far away,_____. 3.I felt she was wrong _____.4.Anne liked Tim _____.5.Although the players were tired, _____.6.Our team lost, _____.a. although I didn't say so at the time. b. but he has n -2【a²bc】²×二分之一a×【bc】³-【-abc】³×【-abc】² －2(a²bc)²×½a(bc)³-(abc)²×(－abc)³ (二分之一ab²c²)（三分之一abc²）³×（12a³b） （四分之三a³b²-二分之一abc)×2ab= 高中数学函数类问题到底该咋做呢? 高中数学函数都有什么样的类型题学时听得懂但不会做,最好每个类型题都讲解,主要是必修一的, fx＝（1-2∧x）/（1+2∧x）.1..判断奇 偶性2.求证函数在r上是减函数 函数类的 第九题 请说明理由!1.He has visited a great number of different places.He hasn't stayed in＿place.（a）the only （b） A similar （c） The same （d） Alike 2.he will visit darwin＿ （a）quickly （b） for a short time （c） shortly 3.he wi 请说明理由While my parents_____(watch)TV.I got home 还有 This pet dog followed Old Henry everywhere 中为什么跟随为复数跟随为什么为过去式! 几道英语选择题（请说明理由）1.--You are always scolding him,aren't you ---yes,what he eats_______harm to his health.A.does do B.do does C.do do D.does did 2.we should spare no efforts to stop pollution ___happily.A.from living B.to live ________from the peak ,the house appears small.A Seen B SeeingC Having seen D While seeing (3x³y²)³÷(6x²y)²-三分之一(xy)³×(二分之一x²y)其中x=-4,y=-1/2 1.若函数y=f(x)的定义域是[-2,4],则函数g(x)=f(x)+f(-x)的定义域是?2.若函数y=f(x)的定义域为[-6,2],则函数y=f(√6)的定义域是?另外这类问题应怎样解答 一元二次不等式 X²- X+1 ＞1／3X(X-1) 当m是什么整数时,关于X的一元二次方程mX2-4X+4=0与X2-4mX+4m2-4m-5＝0的解都是整数? 当m是什么整数时,关于x的一元二次方程mx^2-4x+4=0与x^2-4mx+4m^2-4m-5=0的解都是整数为什么x=-1要舍去呢？ 当m是什么整数时,关于x的一元二次方程mx^2-4x+4=0与x^2-4mx+4m^2-4m-5=0的根都是整数我是初二的,不过要让我看得懂 关于X的一元二次方程mx^2_4x+4=0和x^2_4mx+4m^2_4m_5=0 m是整数 求方程根都是整数的充要条件 当m是什么整数时,关于x的一元二次方程mx^2-4x+4=0与x^2-4mx+4m^2-5=0的根都是整数 on october 15,2003 china ___________its first manned spaceship ,which made yang liwei a hero to many kidsA:set out B:set off C:sent up D:sent out 英语翻译根据句意及汉语提示完成下面句子,每空一词.1 You have to ( ) ( ) (弄清楚) the truth of the matter .根据汉语意思完成下面句子,每空一词.1 我仍然再设法选一个最便宜的房子I am still trying to（ 高中数学 关于函数的性质谢谢 关于x的一元二次方程kx平方-4x+3有2个实数根,求k的最大整数值 填空题：（2xy²）²*二分之一x²=____,（-2x)六次方/（-2x）³=___ 【二分之一（2x+4y）（2x-4y）-（4 × x的三次方×y+16x×y的三次方）÷（2xy）】÷y² 分解因式：x三次方+2x²y+2xy²+y三次方=? 选什么,请说明理由Some social workers________ different skills often meet at the centre.A.with B.has C.have D.are 第十二题,请说明理由,初一英语