菌落隆起形状描述
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we have a school day in our school (___ ___do you have in ___school?)
过直线X-2Y-Z=6=0,3X-2Y+2=0且与点(1,2,1)的距离为1平面方程
求直线x+2y-z+1=0 3x-2y+z-1=0在平面x+y+z-3=0上的投影直线方程.前面两个方程为直线方程组形式.x/3=(y-2/3)/0=(z-7/3)/-3
求过点(1,1,1)且垂直于平面x-y+z=7及3x+2y-12z+5=0的平面方程
I run in the playground with Wendy.(现在进行时)
在操场上打篮球的学生们打得多开心啊 ______________the students ________in the playground
李小龙的猛龙过江里,李小龙和那个中国女人在广场怄气时,来了一个意大利女人给李小龙抛媚眼!后来李小龙
布鲁斯·李 ﹦李小龙﹖
i always play tennis with my friends on the playground.in a word,i lovemy school life 怎么翻译?
our school is behind a factory的同义句______ ______ a factory______ _______ _______our school.(将上题改为同义句)
our schooL is behind house.求同义
1.The hotel is behind our school.改为同义句 Our school is______ ______ ______ the hotel2.A week has seven days.改为同义句_____ _____ seven days in a week.3.Is there a pen in your bag?(作肯定回答)____,_____ ______.4.one,two,pen,penc
our schooL is behind house.求同义句
Our school is behind the parker(改为同义句)
夜空想象作文500字面对浩瀚的星空和皎洁的月色,你肯定也有过无穷的遐思和美妙的想象:或是神秘的仙境,或是动人的故事.请将它们写下来,一定能打动人
在前100个自然数之和中,将不能被3和4除净的数相加,和是多少.
已知sina,cosa是关于x的二次方程2x^2+4kx+3k=0的两个实根,求实数k的值
设sina,cosa是二次方程3x^2-2x+m=0(m属于一切实数)的2个实根,a是第二象限角,求m的值
设sina,cosa是二次方程3x^2-2x+m=0(m属于一切实数)的2个实根,a是第二象限角(1)求m的值(2)求sin(π/4-a)的值
因式分解 xy-xz-y的平方+2yz-z的平方
289的算术平方根是多少
289的算术平方根是?
Our English teacher worked late into the night,____the exam for the following wekks.A.to be prepared B.prepared C.preparing D.was preparing 怎么填为什么理由
out,the ,our ,plan,English,worked,fine,teacher,came up with组合成陈述句单词不的重复,标点已给出.是陈述句!
选词填空.He ________ following our teacher in English class.have trouble impress break off
x^2+y^2+z^2+xy+xz+zy因式分解后是什么——在线等x^2+y^2+z^2+xy+xz+zy因式分解后是什么,
已知1/sinA,1/cosA是二次方程x^2-√2ax+a=0的两根,求tanA的值及A ps:已知1/sinA,1/cosA是二次方程x^2-√2ax+a=0的两根,求tanA的值及Aps:√2ax就是根号2乘以ax
改为同义句Mr Smith works as our English teacher in the school.Mr Smith ( ) in the school.
Our English teacher‘s ( )studies in our school,too.
英语 Welcome to our school Look!It is the teacher'soffice.
Do you want to in the school piay?Hi a teacher.He teaches our English.错在哪怎么改
Our teacher asked us _______(remember)_______(bring)the English books to school.如题,应该填什么?