天空出现细细一条直线

不改变原意,将下面的话换成使用某种修辞的句子个人知识面越宽,好奇心越大. 请问该英语句子是否正确?不正确的话如何修改one of the social phenomena that college students have difficulty in job hunting,have brought into focus. She said she had some trouble___her homework.A.finish B.finishing C.to finish D.finished She will finish her homework in twenty minutes.(对画线部分提问） ————————— I OFTEN CLIMB MOUNTAINS ON THE WEEKEND (翻译) matlab保留小数点后两位.比如将1变成1.00,因为需要在循环中控制文件路径,所以在程序运行过程中就需要转换,并不是控制输出格式.能不能像fortran一样类似write(xx,'(f4.2)') matlab中的disp函数和num2str（）函数如何使用.经常看到disp和num2str（）函数联合起来使用,这个时如何做的,最好举几个简单的例子, matlab中num2str函数如何使用? 已知:关于x的一元二次方程x^2-(2m+3)x+2m+2=0(m大于0)设方程的两个实数根分别为X1,X2（其中X1小于X2）,若y是关于m的函数,且y=X2-2X1,求这个函数关系式在上面的条件下,结合函数的图像回答：当自变 一个线性代数特征值的问题证明,若detA=0,则a=0是A的一个特征值 过中秋作文350字 有10个数的平均数为12,另有20个数的平均数为15,这30个数的平均数是多少? 线性代数中特征值的一道题目求得的P矩阵是否不唯一?我算的P的列向量,是A的各个特征值的特征向量,这样算,可以吗? 改为一般疑问句：Mike runs as fast as Ben._____　Mike _____ as fast as Ben? Ben runs as fast as Mike.（对画线部分提问）Ben runs as fast as Mike.（对画线部分提问） ＿＿＿runs＿＿＿fast＿＿＿Mike? Milk runs as fast as Ben .(改为一般疑问句) it is a cat.对划线部分提问,划线部分是cat. it takes me half an hour to do my homework every day同义句转换 It takes me an hour to do my homework every day(同义句转换) I ＿ an hour ＿ my homework every day Mike often goes to the zoo on Sunday.对划线部分提问（划线部分是Mike） it takes me an hour to do my homework翻译it takes me an hour to do my homework 什么意思? 按要求完成句子.1、tony goes to the zoo on sunday.(改为一般疑问句） __tony__to the zoo on sunday?2、the boy eats some meat every day.(改为否定句）the boy _____ _____ _____meat every day.3、some of my classmates are american.( It takes me about an hour to do my homework .的同义句quikly. mike often goes to bed earlier (改为疑问句) mike often goes to bed earlier ( IT IS NINE THIRTY NOW 改为同义句是IT IS什么什么什么NOW .要填3个单词 matlab中怎么控制数字在小数点后几位输出比如0.029183792,要让它在小数点后5位输出,该怎么写 Tom also (w )hard at all his lessons. 用所给单词的正确形式填空.Tom plays basketball .(good)填空题我知道希望很渺茫,还是求求就试试吧. 方程组x+y-2=0,2x-3y+6=0,的解组成的集合中元素的个数为 对于任意x,y ∈R ,且x,y≠0 则(图片)所组成的集合所含的元素个数为___ tom is not good at ()a.skatingb.to skatec.skate选什么? 使分式2x-1分之2x+1有意义的x的值是多少?