汽油是由多种碳氢化合物

花八哥怎么分公母 关于楚国的春申君的典故 有典故的成语故事（简短一点） 根据这个要求,给取个名吧：Username must be composed of letters,digits,underscores,or hyphens .真心没有捣鼓出来. A username must with a ;etter and consist of letters 基因能决定爱情吗? we can take the car to go somewhere in the ten years【改为同义句】we ___ ___ ___ ___ go somewhere wheretaking the car in the ten years 三元一次方程组 x+y-z=0 x+4z=18 y+4z=9 真实故事怎么样 形容情况危急和速度快的成语各20个 文言文:《黄琬巧对》中“如月之初”中的如是什么意思? 您回答过我求感情的卦.因为我之前刚结束了一段痛苦的感情,现在正在开始一段新的感情,不知您回答的是指 诸葛亮凭借着自己的‘‘神机妙算’’取胜的事有很多.都有哪些呢? 求解答：matlab中分段函数问题syms u f=-2*u.^4+2*u.^2+u/6+0.3;if u >= (-0.9-f(-0.9)) & u <= (-0.9) g =0.9+u+f(-0.9);else if u>=(-0.9) & u<=1 g=f; else if u>=1 & u<=(1+f(1)) g=1-u-f(1); end 改正错误(英语题)(题在下面)1.I do a lot of things last week.2.On the Monday,I played basketball.3.On the Tuesday,i saw a wallet on the ground.4.Then I pick it up and went to the police.5.The police thank me. 定语从句~3QI was struck by the limited use____their natural resourcesA.the Indians made of B.which the Indians madeC.for the Indians to make of D.for the Indians making of 如何去做定语从句?3Q 定语从句的句式是什么 定语从句的题题饿`～⒈the thing____she wasn't sure was that she failed in this examA.that B.which C.about which D.in which⒉the man____you just talked to was a friend of mine.(这里写whom吧?这句是不是就是“先行词是直接位 什么是圆的周长 英语（句型转换）准确,3Q1.I ofren help my parents?（改成一般疑问句）_______you often______your parents?2.He usually goes to the park (by bus).(对小括号里的提问）_____ ____he usually______to the park?3.They usually walk to s 英语（句型转换） 准确啊1.I must finish my homework first(改为同义句）I_____ _____finish my home work first. 输入两数m、n,求其最小公倍数及最大公约数 输入两个正数m和n,求其最大公约数和最小公倍数. 网友发的英文信,手工翻3my mother is 10 September 1965,I said to you previously)father is 22 May 1967...your parents?I'm interested in birthdays too,I like horoscopes)also I know that in Japan people think that people with different blood typ 网友发来的英文信,手工翻3Today is your birthday…I dreamed how I can congratulate you…I wanted to send you a gift,but you didn’t give me your address…so I spent much money and bought many beautiful flowers like you and wanted to send 空城计里的历史人物是谁 亲是什么成语 什么成语亲们 现在完成进行时的句型要有疑问句的、否定句的、肯定句的句型 空城计的主要人物分析主要人物有诸葛亮,司马懿,主要是分析,多一点,Tanks “空城计”在历史上确有其事吗?故事的主人公又是谁?