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为了适应为了生存物种做了哪些改变?运用环境生态学知识回答. 杜甫闻官军收河南河北中热爱祖国的哪一句 “食人草”的英文名? 英语翻译metal workingthe Roma left india (in several waves) beginning in AD 1200. 烨语是什么意思 如题 烨.字,是什么意思. he waited until the volcano became quiet and he was able to return two days later.wait和became不是动词吗,一个句子,不是不能出现双谓语吗,这是怎么回事 He waited until the volcano became quiet.He waited ( )quiet.A.to the volcano to becomeB.the volcano to becomeC.the volcano becameD.for the volcano to become He waited until the volcano became quiet.He waited___quiet.(选择题)a)to the volcano to becomeb)the volcano to becomec)the volcano becamed)for the volcano to became 大青豆和黄豆的营养区别是什么 有谁知道<烨>字是什么意思吗 烨.字,什么意思. Jack usually?his homework in the evening.Now he?his homework.A.does;is doing B.doing;does C.do;doing D.is;does 青豆是什么样的 ( ) does he usually ( ) his homework? 最上面那个是对He usually does his homework (in最上面那个是对He usually does his homework (in the evening)中有括号的进行提问, 请问烨是什么意思? 急救!已知三角形ABC,AB=AC,P为BC上一点,试猜想点P到两腰距离之和等于什么?并加以证明,若点P在BC延长线上,则点到两腰的距离又有何关系? 几何题一道,急救!分别以△ABC的三边为其中一边,在BC同侧做三个等边三角形：△ABD,△BCE,△ACF,求证：AE,DF互相平分. 几何题!急救!直线L交反比例函数y=3/x于点A交X轴于点B,且点A,B与坐标原点构成一个等边三角形,求直线L的解析式,请给我一个大概思路,不要求具体解题, advantage意思 英译中 Our romance gets to be better.这是对一个人说的话希望汉语优美~ Try our best to be better and better!这句话有没有问题,可以作为口号吗?或者我们会越来越好可以说 We will be better and better. A car went by me when I was flying a kite.(改为同义句）A car（ ）（ ）when I was flying a kite. 几何,已知在三角形ABC中,角ABC=3角C,AD是角BAC的角平分线,BE垂直AD于点E,求证：BE=1/2(AC-AB) 急救!如图所示,在△ABC中,AD是∠BAC的平分线,以C为圆心,CD为半径的半圆交BC的延长线于点E,交AD于点F,交AE于点M,EF分别交AB、AC于P、Q,且∠B=∠CAE,FE:FD=4:3.(1)连接DQ、DP,求证:APDQ是菱形;(2)求∠AED的余 促的字母和音序分别是什么 非常高兴,网络用语,喜什么奔的 凝重的音序字母是什么? 音序是字母的大写吗 advantage 怎么拼 我问的是音标哦