mingqiao 幼苗
共回答了24个问题采纳率：83.3% 举报
1年前
christie_2000 花朵
共回答了4329个问题 举报
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英语语法不懂The most economical age to capture an elephant for tra
1年前4个回答
整句话是.Traffic Restrictions due to State Visits- impact on tra
We can go to Beijing by plane or by train.by plane or by tra
1年前1个回答
一道语法题Hovercraft,or air-cushion vehicles,are unusual_____ tra
1年前3个回答
初中几道英语题（改正错误）下列句中各均有一处拼写错误,请找出并改正.1、The film star look a tra
1年前6个回答
一篇英语阅读题.1.Where are you going and when will you start to tra
what certificates should we have in the major of Foreign tra
英语完型,每题加理由!Carol was a strong cowboy (牛仔).One day he was tra
I wonder when they ________ for Beijing.I will go to the tra
1年前2个回答
这句英语My dream is traveling all over the world .我想问一下,is 和 tra
请听一段对话，回答第1至第2小题。 1. How will Steven go to London? A. By tra
i like reading books 为什么book加s?是说书的总称所以加s吗?还有 tra ctors are
Travelling by plane is more expensive than travelling by tra
Population increase causes traffic problems in Beijing.（对tra
will you come with me?_is only an hour and a half on the tra
Mr. Wang told us that the moon ______ round the earth. A．tra
翻译：subscription of the Notary for English and Lithuanian tra
can you think of some cases __drivers obviously knew the tra
英语作文以 what are the advantages and disadvantager of publc tra
Tracy's mother drives her to school every day.That means Tra
你能帮帮他们吗
根号4c平方之a平方b等于多少能快就快
空气中按体积分数计算，含量最多的气体是______，它约占空气体积的______，能支持燃烧的气体是______，它约占
You are leaving here again.请问这句话有语法错误嘛?
形容对尊长或宾客严肃有礼貌的成语
种子有哪几部分组成?有哪两种类型?胚主要由哪几部分构成?
精彩回答
听 泉
小军和小亮在400米的环形跑道上，从同一地点相背出发，经过50秒后两人第一次相遇．小军每秒跑4.5米，小亮每秒跑多少米？
在△ABC中， 点O是△ABC内一点，且点O到三△ABC边的距离相等，若∠A=70° ，则∠BOC的度数为( )
李大伯家有一块菜地（如图），一面靠墙，如果另外三面围上篱笆． 要用多少米长的篱笆？
根据导数的定义求下列函数的导数：⑴求函数y=x²+3在x=1处的导数⑵求函数y=1/x在x=a(a≠0)处的导数
