双氧水制氧气步骤

一个有趣的问题,看看有多少小傻瓜.做一个足够大足够轻的密封正方体纸皮,里面放置一架遥控的直升飞机. 问题： 1.直升飞机在里面能飞行吗? 2.如果能飞行,它一直往上飞,能把纸皮往上顶上 亲爱的爸爸妈妈,别叫我小傻瓜出自哪首歌? 女孩叫男孩小傻瓜什么意思女孩来回答 sina/2=3/5则cosa= 英语翻译请勿使用翻译软体!文章如下：RESULTSTest of the Measurement ModelDue to the limited degree of prior testing of the variables used in the model,steps were taken to purify the construct measurements and improve reliability and va 英语翻译请勿使用翻译软体!文章如下：Test of the Structural ModelAfter determining that the proposed model obtained convergent and discriminant validity based on the data,the structural model presented in Figure 1 was tested.As shown i 高分悬赏!麻烦请帮忙翻译这一小段文章!（英翻中）请勿使用翻译软体! 文章如下：Second, firms with greater levels of competitive equity influence industry standards, and their products often serve as product class standar 求英文名字：xu gen ping 如何取一合适的英文名大家都知道拼音的第一个字母 是x,q 或z,老外们很难发出正确的读音,那么我的这个名字应该怎么取呢?我不大希望改变自己的姓氏! He( )get up early this morningA need B needs C need to D needed He (get) up early this morning,did not he? Are you good at sport?怎么回答? what sports are you good a ( ) I'm good at running 英语翻译Failure Aware Diverse Routing:A Novel Algorithm to ImproveAvailability in ASON/GMPLS Networks自己翻了翻总觉得有点怪,以下是我自己翻的,觉得不太顺,请指教故障可知多样路由选择：一种在ASON/GMPLS网络中 What kind of sport are you good at? 我可以用hannna做英文名吗?hanna好像是姓.不知道可不可以做我的英文名字 阿尔珐尔德的英文名称,想用来做英文名,『是名字还是姓氏?』 Fadi Mujahid 阿拉伯人的英文名 该怎么读? 英语翻译我在一篇英语短篇中看到它的,好象是一个老板对迟到时的员工想说的话. 我姓曹,英文名Shreey.介绍英文名字时,例如“周"变成CHOU.那”曹“会变成什么? I'll go to the zoo if it __tomorrow.A.won't rainB.will rainC.doesn't rain D.rains Can you tell me the ____(mean)of this world Is this a ____(mean)thing? Can anybody tell me what does do mean?An English word Excuse me , can you tell me the ____(mean)of this word? who can tell me what's mean this sentence请问 这是什么意识 把下面词语按一定的顺序从新排列 东亚,北京,亚洲,中国. I didn't get up as early as you this morning 同义转换 I got up You got up early this morning.---------So_________he. A do B did C does D was Did you sleep ＿this morning?No.I got up＿.A.later；early B.later;early C.lately；earlyDid you sleep ＿this morning?No.I got up＿.A.later；early B.later;earlyC.lately；early D.weren't；was 翻译谚语：Too many cooks spoil the broth.The early bird catches the worm. 姓车,英文名coral.行不行 艾比英文名怎么写?想给自己起个英文名字 姓黄的起个英文名.我姓黄,叫荣存,大家帮忙起个英文名字永久用