有机化学

73、甲、乙、丙、丁四个人要过河,他们单独过河分别需要3分钟、5分钟、8分钟和10分钟.现在只有一艘小船,这个小船最多只能承受两个人的重量.现在四人希望以最短的时间来过河,问最短的时 英语作业题1he legs are long （同义句转换） ___________________________________.I have a small nose.（同义句转换）__________________________________. 这个英语作业题怎么做啊,求解 就一道急Hurry up.Don't have your friends_____ too long.A.waiting B.to wait C.waiting for Dwait 英语作业题求教连词成句专项练习:1.have clubs here soccer we many ____________2.please more to Mr Wang talk for information____________________3.musicians for we bang rock to want two our_________________4.has does before what breakfast Beauty is in the eye of the beholdor是什么意思?啊啊不好意思我打错了一个字母。最后那个是beholder。我错了。 ()唇()嘴,补充成语要含动物的名字! 什么是唇蹄类动物 关于动物的成语 沉()落() ()唇()嘴 形容从片面可以看出全面的成语有哪些(如一叶知秋) -Where did you meet Smith?-It was in the hotel___ he stayed.A.when B which C where D thatWhich one is right and please give me your explanation. She's a millionaire several times over.请大家翻译翻译 在这里times 究竟地球上有多少种人? 地球一共多少人 人是怎么到地球上的? The leave are colourful是什么意思 it doesn't ___rain__for over a month rain用的对不对 Over a month ______(pass)since we come here. the leaves are slowly c____ color. the children were really excited 此句是否正确不是be动词后不能用副词么?那么这句话是对是错呢?求英语高手真相. 怎么形容不守信用男人 形容有些人不守信用的人 怎样形容烂女人? 求解决 谢谢 ! 是两道题 怎么对付一个说话总是不守信用的人呢?有个人特爱吹牛,又喜欢骗人,把周围的人骗得跟耍猴似的,怎么对付他?我看他不顺眼,要他为他所做出的事情付出代价! 如何训练英语写作? In the Ituri rain forest in America live many different tribes 完形填空 if we don't give them good areas of forest to live in中的forest为什么可以不+s如果+s可不可以?它是可数的啊 nobody but + 复数名词谓语动词应是什么 《堂吉诃德》主要写了什么 hope you can get access to YANBIAN NO 1 Middle School and wish your parents get well soon 什么意思 I hope you admitted to an in Yanbian,parents speedy recovery