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长方体内壁指几个面只回答几个面 济南去年冬季气温曲线图最好附带降水量的, children's hospital visit 一个足球有32块黑白相间的图案,白色的是正5边形,黑色的是正6边形,棱长都相等,问白色的5边形有多少个?数学竞赛题...告急, .I hope to achieve greater progress. 如图,用黑白两种大小相同的正方体堆成了一个大正方体,中心一块是黑色的,那么大正方体中白色的占总数的几分之几?黑色的占总数的几分之几? To many people modern architecture equals progress是什么意思 被动语态转成主动语态,Our ability to benefit from this high-tech communications equipment is greatly enchanced by foreign language skills. 蒙城规划图RB什么意思 Eligible looters是什么意思? 相聚有时什么意思 每天热量摄入量是多少 为什么盐桥的电解池不升温 第一题面积是1公顷的正方形土地,它的边长是（）?周长是（）?第二题边长是（） 参比电极是直接放进电解池里用的还是用盐桥连接的? 电解池盐桥的作用 怎样理解核苷酸结构中的"含氮碱基"? 2011年三月份的英语口语测试成绩怎么查询 2011年5月份英语口语四级成绩查询在哪里可以查询. 晏殊 浣溪沙 上下阙分别写什么? 这个水塔主要上是干为什么的 screwdriver什么意思 telescopic screwdriver Meng You用汉语怎么讲 my boy and i must have turned to each other 30 times during the game.其中turn to该怎么翻译? 请将下列句子转换成被动语态1.The papers have been signed by manager.2.It should be done at once.3.A talk will be given in the school next Monday.4.That house was built in 2000.就是，这些句子被动语态的：基本结构。 small flathead screwdriver 是什么意思?请教各位 把下列句子转化成被动语态用被动语态改写下列句子,以所给的词开头.Example:They asked her to work in the kitchen.She ___________________________________________.1.They made us work all through the night.We ___________________ 帮忙把下面句子转换成 被动语态1.John answered all the questions.2.Mary is taking care of the children.3.We built a new bridge.4.They made the boy dust the table.5.I must speak English.6.We have showed him some 将下列句子转化为被动语态She looks after her grandma every week.I handed out some paper just now.I have finished my homework. 使溶液变色的离子有哪些?最好具体列出来 这两题选的对吗?