伊朗买022型导弹艇

从离地H高处自由下落小球a,同时在他下方H处有以速度V竖直向上抛的小球b,不急空气阻力有 （1）若V>根号（从离地H高处自由下落小球a，同时在他下方H处有以速度V竖直向上抛的小球b，不急空 “既然选择了远方,便只顾风雨兼程”这句诗是谁写的?诗名叫什么? 第75是填friend还是friends? Let's____.(A.be friends B.be friendwhy?2个人互相成为朋友不也是复数吗？ 废橡胶的再生利用工艺及过程 如何翻译：you need to give me 2 weeks of notice of moving in 的意思? "as a matter of fact,the question of need for a decision from me one way or the other had not evenas a matter of fact,the question of need for a decision from me one way or the other had not even come up.另：请不要机翻 1 in bad need of painting 2 The house was much farther than he had expected. 橡胶悬赏网是专门做橡胶猎头服务的吗如题 Yesterday,David__________a ticket for speeding.A.gave B.had been given C.was gaven D.given he gets a ticket for speeding 对for speeding提问 Be a barrel of laughs 橡胶密封圈的市场技术状态及能力分析,是否有必要进入高端领域 he can't be at home与he may not be at home有什么不同?跪拜请求指点迷津. 橡胶套的阻尼系数一般是多少?有没有一个取值范围? The names are my friend's. 改错 friend's 改成friends' 答案上的 friend‘s跟friend 一样 对么 求真空吸盘上橡胶套如图,这是什么材质,在哪里可以买得到 The names are my friend's 有什么语法错误还有.The custom officer wanted to see our passport 有什么错误. The names are my friends.这句话对吗?如果不对应该是什么?另外还有一道题是这样的：The custom officer-wanted to see our passports.这句话应该怎么改就对了呢?各位大哥大姐一定要帮小妹一把啊! No enough room on your device.Please free up some disk space and try We can taik about the question___the phoneA over B with C by D in 测量15KW,460V/60Hz的电机电流,需要什么型号的电流表和电流互感器 我笔记本是256的空间是40 GB对吗我笔记本是256的空间是磁盘40 GB对吗?硬盘没问题吧 防腐剂有哪几种?越多越好.如那个山梨酸钾. What does the sign on the wall stand for?同义句 It's my first day___with a new firm.A.at job B.in job C.in work D.at work麻烦给出你们认为你们所选答案是正确答案的理由。或者给出其他三个选项不是正确答案的理由。 悲剧《窦娥冤》是谁所著? 窦娥冤是谁所著 You can do actively you don't normally do to keep healthy的翻译是什么 You can do _________ you don't normally do to keep healthy.(act) 秋天到了,很多树叶枯黄了,飘飘悠悠地落下来,有人吟出了“ ”这样的诗句表示对秋叶的喜爱之情. 关于班上得不好现象,我们应该怎么样做?