水翼艇原理

怎么求圆里的正方形里的4个等腰三角形,其中一个三角形的面积是4.5cm,求出院的面积 泰迪和比熊哪个智商高 这是比熊还是贵宾泰迪? 司马迁在《史记》中对汉武帝的评价公正吗? 这个填什么?_______ must know who committed this crime.填空 somebody 还是 everyone Lo wasn't_____(convince)until his son ____(admit) committed the crime. 以下对吗“What a crime he has committed!” she said.“What a crime he has committed!” she said. “他犯了多大的罪啊!”她说道. 　　→She didn’t know what a crime he had committed. 她不知道他犯了那么大的罪.(引述 红领巾心向党演讲稿 根据《红领巾心向党》来写的 红领巾心向党的演讲稿300至400,急快 改为否定句 改成否定句Linda has some fruit in her bag.Linda ___ ___ fruit in her bag.The Whites have supper at seven in the evening.The Whites ___ ____ supper at seven in the evening.(这是过去式么?)I thin he did wrong .I ____ think he did wrong.There 把初一英语句子变成否定句1.They have 5 tennis rackets 2.His parent likes on food 2.His parent likes on food 4.Jim plays ping-pong every afternoon 5.Lucy's sister and brother watch TV everdy evening 6.She likes salak and orange verymuch 7.Y 双重否定句改肯定句三句以上 把肯定句改为双重否定句应该怎么改? 为同学写赠言,80字以内最好写2个人 英语翻译be vulnerable to是一个固定词组吗?怎么翻译? 求分析此句 The goal is to be exposed to novelty and increasing levels of challenge为什么前面用的to be exposed to而后面用的increasing? There has been an increasing awareness that many people are affected by 猴子每30秒能宅一个玉米,在果园里,一只猴子5分钟能摘几只玉米? 看看这只猴子看猴子吗!他会再次丢掉玉米吗?猴子看见西瓜时,他丢了手里的西瓜,而西瓜一不小心滚下了悬崖,猴子就再次拾起了丢掉的玉米,当他再看见一个更大更好的西瓜时,猴子不会再次丢 猴子与玉米 为什么春分时全球各地太阳都从正东方升起,在正西方落下 求帮忙配平一条化学方程式,要讲详细的方法!急用化合价升降法配平这个方程式,配到这里接下来应该怎么办?配法以及原因,好吧我理解能力挺差的,我就一直不知道为什么要在N2前配1,S元素从+6 追求不同阅读题答案2.2对近义词3.态度不同,文中找原文：海洋水族万米游泳. 追求不同阅读题答案1.在文中找出下列词语的近义词：自负、困惑、惋惜.3.比目鱼所说的【成功和失败的原因】是什么.4.文中的【若有所悟】用的不恰当,应该用什么词.6.写出不同动物的追求 刘伯承的故乡在重庆的什么地方..一代伟人的故乡我想大家都知道吧! 汉武帝有没有看过《史记》?汉武帝到底有没有见过司马迁写的《史记》?据说,汉武帝曾看过《史记》中关于写他的部分,看后勃然大怒,下令烧毁,真是这样的吗?那么,汉武帝到底看没看过《史 求解第六题! 这些英语句子得意思是啥,Can you tell me if it＇s polite to这些英语句子得意思是啥,Can you tell me if it＇s polite to eat with your arms or elbows on the table in America?Yes,I can,It's impolite.Do you know whether or not it's im you can tell her it's polite to return things in time帮忙改正这些句子错误的地方1.you borrow something from her and them return is as possible.2.you can tell her it's polite to return things in time3.tell you uncle about her behavior and 14课 高尔基的人物特点 高尔基有哪些优秀品质?