生僻成语

两个自然数的倒数和是9/20,这两个自然数各是多少? 假如你是楚国商人你该怎样来推销你的矛和盾拜托了自相矛盾中的 《自相矛盾》假如你是楚国人,你该怎样来推销你的“矛”和“盾”? 买椟还珠中的楚国商人是个怎样的人 已知太阳能路灯售价5000元/个,某商家用如下方法促销：若购买路灯不超过100个,按原价付款；若一次购买100个以上,且购买的个数每增加一个,其价格减少10元,但太阳能路灯的售价不低于3500元/ 家里孩子英语成绩一直很好,可是开口说就可让人头疼了,这种所谓的哑巴英语应该怎么办才好啊?急人! i had no idea of __________(his ,do such a silly thing) 用所给词的适当形式填空：The students are（）（say)goodbye their teacher. 会飞的鸭子阅读答案读了这篇充满哲理性的文章,你有什么启示? 为什么鸭不会飞 使用塑料杯为什么致癌 Thank you for your last letter.Here are photos of me and my twin sister Liu Ying.As you can see,in 最近在微博都看到许多亲说：函数喜碧,SJM喜碧. “碧石”含义是什么? 碧的意思 低调的人用英语怎么说再问一句话用英语怎么说既然他不在乎你那你也不必理她 我是个低调的人 英语怎么说我是个低调的人 或者 我很低调用英语怎么说 《买鸭捉兔》阅读答案昔有人将猎而不识鹘,买一凫而去.原上兔起,扬之使击,凫不能飞,投于地.又扬之,投于地.至三四.凫忽蹒跚而人语曰：“我,鸭也,杀而食之,乃其分,奈何加我以掷之苦乎?” Come to my office whenever you have question 买鸭捉兔的道理 if you have time,you car coem to my office 翻译从中文 Those that go to the museum will wait at the gate of school为什么只能用who 引导啊 野鸭子,野鸭子.昨天中午闲来无事,和同事去河边钓鱼.在草丛里抓到两只小小的野鸭子,比成年男人的拳头小一些.可是我不知道怎么养,喂些什么给它们?我昨天吧圆白菜的菜叶剁碎碎的和上小 I sent my son to Qingdao last year.改为被动语态.My son ___ ___ to Qingdao last year. Would you rather I ________ buying a new bike?A. decided against B. will decide against C. have decided D. shall decide against 1.Srsh is going to plant trees this weekwnd 2.We are having English clss now 改为一般疑问 He turned 73 last month but he hasn't ..He turned 73 last month but he hasn't shown any sign of age since his first screen ap0pearance in 1982. And Mickey Mouse is not about to retire. I sent a letter to you last month. 该被动句 I can't see the words on the blackboard.I have to______my glasses.A:wear B:put on It is raining heavily,but we (have) to go home now.为什么用have 原形呢? there go the house lights 翻译+句型解释. 第101只鸿鸭阅读1、说说结尾“我们看到,熊熊的火光中,沙爷苍老的脸上有一滴浑浊的泪.泪滚落到炭火上变成了一股青烟”的含义2、赏析下面两个句子,说说好在哪里.（1）我们看见鸿鸭们像