形容作用很大的成语

谁能帮我做到初二数学小填空（作业急!）若（a-2）²+|b+3|²=0则a-b的平方根（） 1、已知y=kc+2x的正比例函数,则k______2.已知y与x成正比例,当x=根号3,y=-6,那么比例系数是______3.已知函数y=x分之（根号2k）-3是反比例系数,求k的取值范围_____4/代数式根号5x-8分之7中,x的取值范围___ _____ that Bob had got promoted, his friends came to congratulate him.A) Heard B) Having heard C) Hear D) To hear 直线y=（k-2）x经过一、三象限,则k的取值范围是? 一道英语改错题 That evening he came home with some his friends 错误不是came后面没加in吗 I heard of that my old friend came back from USA. Miss Green had no friends and few visitos,_the girls who came over for high tea sometimes.A.as for B.next to C.except foe D.according to 麻烦解释并分析! 怎样用拌、咸、蒜、醋、炒、芝、惹、粮、钩、碌、购的词组一个句子? go ahead在英语语境里怎么理解? 英语,关于GO ahead的用法may I have a favour to ask you?__a:go ahead b:it's a pleasure c:help yourself d:ask,please.go ahead口语中有.可以,放手去做某事的意思.但是 b（我很乐意） d:请说吧.不是比起A更合适吗? 英语："Go ahead."Go ahead.／go ahead这个句子（或作为短语）在英语中都有什么意思?当作为一个完整句子时,常在什么情形下使用? 英语问题!go ahead---I am afraid i had broke the chair .----go ahead ,I can fix it up...中go ahead 什么意思? 好友的英语单词怎么拼 请问的英语单词是什么? 书签珍惜时间名言 密友 英语单词 我想做个书签送给好又朋友小强,所以我在书签上写一句名言警句（谚语）： 书签上写什么名言,并说出原因 eraser.giraffe.big这三个单词是什么意思? giraffe什么意思 Giraffe giraffe是一个英语单词,它是一个名词,它的意思有:1、长颈鹿 2、鹿豹座 3、斜井提升矿车 4、地面giraffe是一个英语单词,它是一个名词,它的意思有:1、长颈鹿 2、鹿豹座 3、斜井提升矿车 4 Mr Green _____his uniform and went out.A.wear B.wore C.put on D.puts on理由 求助英文高手一段话的意思Why can not Cinderella be a good football playerShe lost her shoes,her ran away from the ball,her coach was a pumpkin 一段话的意思（英语）dear wang fei: how's everything going?I don't feel very well these days? I have some trouble with my friend.I lent my friend one of my CDS and she never returned it.I trust her , but she made me sad. What should i do? 用诗句填写句子.亲,很急,今晚作业,没时间了,求助,亲!1、期末写评语的时候,老师会祝你来年：（登鹳雀楼,王之涣）“ ”2、老师常常用“ ”劝说我们 国标江苏版新金卷六年级下第六单元测试卷A急 芝可以组什么词 芝怎么组词 Can I help you?（作否定回答） 芝能组什么词 芝有什么组词 芝,换偏旁组词