高处作业分级

the shop is not open today和the shop does not open有什么区别?怎么用? 翻译:when does the library open? 已知根号12的整数部分是a,小数部分是b,计算(b-a)(b+3a)的值 1,Thirty years later,the Nobel Prize winner returned to his hometown_ .a,as a world-known physicist.b,a world-known phtsicist.选b 2,the most valuable of all talents is that of never using two words _.a,when one will do b,when one will do it.选a 3,_ 英语语法高手请进 写理由Let's look at the bag.Can you see ____ "s" on the corner of ____ bagA.an the B.the the 英语语法高手请进1.In the battle more than two hundred enemy soldiers___A.were shot to death B.were shot dead这个题目有的说选择A有的选择B,好在两种用法都见过,到底选什么呢? 因式分解:t²-10-3t (t-2)(3t-5)=1 公式法解 求答!10-15题 分子式为C4H6的烃一定是炔烃吗?为什么? 求讲解第十题.最好能告诉我错在哪了 第十题求解释 某烃分子中有一个苯环状结构和两个双键,它的分子式是什么 A.C8H10 B.C8H8 C.C9H12 D.C9H8查了很多都是“环状的”,而这个是“苯环状”. 超难英语语法 写理由The money he spent within a month ____ more than 1,000 dollarsA.added up to B.added toC.added up D.added为什么不能选BBBBBB 超难英语语法（初三） 写理由1.In the past few years there ____ great changes in my home townA.have been B.had been C.were D.are2.He's already back to Australia,____?A.isn't he B.hasn't he 超难英语语法1.In Singapore,however,you will find a lot of food from China2.Linda Miller,a mother of three in London,knows all about such pressure分析句子成分 3t^2+18t+27因式分解 讲解第10题 三角形 圆 圆 三角形 圆 圆按照这个顺序第20个是什么 若方程(m²-1)-(m-1)x+3=0是关于x的一元一次方程,求m的值 英语语法~要理由!1、The second problem is__than the first one.a.pretty easier b.rather more difficult2、The advertisement has been heard__three times a day.a.to be broadcast b.broadcast3、The patient was advised by the doctor to eat__.a.half 小明在计算A∕1乘（B∕1加C∕1）时算成了A∕1乘B∕1加C∕1,得到了一个错误的答案3∕1,比正确答案夺12∕1A=（ ）,B=( ）,C=( ),（A,B,C都是整数） 求15题解释 15题解释一下=￣ω￣= 第15题求解释 第15题, 15题求解释 手机的TFT屏幕是什么意思 初一上学期英语语法 手机屏幕上的E和3G是什么意思 初一上学期1.2英语语法 怎样在最短的时间里判断两个数互质?