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帮忙解一道高二数学 概括主要内容.（30字以内）（《连云港日报》5月12日讯）在600平米的舞台上先变出一架30米长的飞机,然后瞬间将其变得无影无踪,眨眼之间,飞机又在距离海滩500米外的海上出现.这精彩的一幕 英语的十六种时态,分别是什么?最近英语有点糊涂, 英语中有哪十六种时态 美人鱼的主要内容30字以内 《列子 说符》中“扬子之邻人亡羊……”那段的解释? 1)过M(-4,3),且与原点距离为5的直线方程为____2)与直线2X-4Y-2=0和12X-5Y-7=0夹角相等的直线的斜率为____ 1.设a,b是两个非零向量,若a+3b与7a-5b垂直,求a与b的夹角?2.向量a=（1,-1）,b=(3,-4),x=a+mb,m为实数,试证：使|x|最小的向量x垂直于向量b? 我是个笨蛋,我还想请教你.就是搞不清楚much后面加什么形容词,more后面加什么形容词.Mmm..不用那么具体得连什么次都要说出来,就是简单说说.. I've read all the books ______ were borrowed from the library.填which or that?用that不用which是因为不定代词all吗?可是all在这里不是形容词吗? 关于高一定语从句的一个问题.老师讲的one of the girls 和the one of the girls 做先行词时定语从句 中的谓语单复数是 ：1）one of the girls who 【are】...2）the one of the girls who 【is】...那若one of the girls It is said that he is looking for a new job,one where he can get money.这是什么从句?one是必须加的吗? 请教有关高一定语从句2主句与定语从句之间用逗号隔开其用法如何?eg.1.In our factory there are 2000workers,two thirds of( )are woman.A.them B which C whom D who 答案为C我选的A2.My neighbours used to give me a hand in tim 请教有关高一定语从句3有关either等在定语从句中的用法eg.1.I have two grammars,( )are of great use.A.all of which B either of which C both of what D both of which 答案是D我选的C2.I have bought two ballpens,( )had been expecte 求高一定语从句的练习, 英语里引号怎么用的?英语里没有书名号,一般说一本书都是用斜体字.引号一般是引用一个人说的话.但是老师给我们一个论文题目是“Jane Eyre”as I see 我不确定这里的“Jane Eyre”是指Jane Eyre这 英语翻译请问一下这句翻译的对吗?错在哪?The disease of overwork is partly in our minds andit has a bearing on how stressed we feel.我们已经习惯了工作过度带来的疾病,以及所需要承受的那份压力. 关于"歧路亡羊”..释文! 歧路亡羊这是真的吗? How much will I pay for the meal?Thirty yuan will ________. ----- all you have to have.A. use B. cover C. cost D. spend 高一定语从句几题1.She will never forget her stay there _________ she found her son who had gone missing two years before.A.that B.which C.where D.when2.I have reached a point in my life__________I am supposed to make decisions of my own.A.whi Not far from the club,there was a garden,（填）owners waw seated playing cards with his childeren every afternoon.a,its b,whose c,which d,of which 帮忙出一些高一定语从句的题啊 求几道关于的定语从句题目（高一） 高一定语从句题目.要原因有把握答对再回答...别误人子弟啊The day we have been looking forward to _______at last1.coming 2.came 3.come 4.has comeHe is one of these man who ________to be friendly,however,it’s v 1.He___(live)in Wuxi two years ago.2.The cat___(eat)a bird last night.3.It___(be)Ben's birthday last Friday.4.We all___(have) a good time last night.5.She likes___newspapers,but she___a book yesterday.(read)6.He___football now,but they ___but they___ the cheese the rat the cat the dog saw chased ate was green 怎么翻译,是什么结构? 定语从句中的There be语法书上讲:在There be句型引导的定从中关系代词要用thateg:There's a seat overthere is still free.然后又讲：在以There be开头的句子中常用who而不用that,是不是先行词是人就用who?eg:Th There are ont only you who are very surprised.这是there be还是定语从句啊?说说这个句子的句子结构 分析下成分 我没懂 “我要去上海看世博会”译成英语怎么说 定义在R上的函数f(x)在(-∞,2)上是增函数,且f(x+2)的图像关于y轴对称,则( ) A定义在R上的函数f(x)在(-∞,2)上是增函数,且f(x+2)的图像关于y轴对称,则( )A.f(-1)＜f(3) B.f(0)＞f(3)C.f(-1)=f(3) D.f(0)=f(3) 考试问：4加2等于几?我写了一个：how much is two and four?对了但有同学写what is two and four?也了what is two and four? 可以这么写吗?