迈出这一步600字

哪些科学家从小具有好奇心,他们对什么事情感到好奇? 找一则关于好奇心而失败的故事,要是现代科学家的. 有关于科学家的好奇心故事! I always feel Tired , what should i do ? --What ___do you have? ---I often feel tired.A.question.B.the matter.C.problem.D.wrong.并帮我翻译一下 求高手解初中数学题! It's ten thirty now.同义句It's ____ ____ ten now. It's already ten thirty now,and I want to go hpme.(改为同义句） lt's 已经 ten thirty now 同义句 I'll take the digital camera.How much does it___?A.cost B.spend C.take DpayA.look How much does the new kind of MP4___?A.cost B.pay C.take D.spend 顺便说下理由2.It is______________(need)for students to read different kinds of book.3.Why not _____(ride)a bicycle to go to the park? My mother was m____ at me yesterday because I did not pass the English exam.横线上应填什么? 如何判断两溶液混合后溶液中存在哪些离子RT、、这个要怎么去判断啊、思路是什么、、我只会一种溶液判断溶液中存在的离子 下列各组物质能在同一溶液中大量共存的是A．NaCl HCl MgSO4 Cu(NO3)2 B．AgNO3 NaCl Mg(NO3)2 NaOHC．Ca(OH)2 NaNO3 Na2CO3 NH4Cl D．HCl K2SO4 NaOH NaNO3 下列各组物质在同一溶液中能够大量共存的是a.BaCl2 NaCl H2SO4b.H2SO4 NaCl Na2CO3c.NaSO4 KNO3 NaOH d.H2SO4 HCl 下列各组物质,能在同一溶液里大量共存的是A．Na2SO4 Ba（OH）2 HCl B．CuSO4 H2SO4 HNO3C．FeCl3 NaOH Ca（OH）2 D．K2SO4 NaOH NaCl 请说原因 Close to 是什么结构 是形容词和介词,有没有标准的说法,像名词,副词之类的 写出所给形容词的副词形式fullpolitecorrectactivesimplesoft 1.The teacher was happy because we did __ in the exam.1.The teacher was happy because we did __ in the exam.A.good B.well C.pretty D.terrible2.-Who is the man over there?Is it Mr.Lee?-No,it __ be him,Mr.Lee is much taller.A.tell B.say C.speak D.talk3 The problem is ___he doesn't believe anything__you said to him.A.that ,/ B./.that请在说出答案的同时,说出另一项不对的原因 I stood where the roads joined.i stood in the place where roads joined.两句话都对吗?为什么? 有什么因中外科学家因好奇心而获得成功的故事 科学家因好奇心而获得成功的故事 请问下有谁知道人教版六年级数学书上册练习十内容和答案谁有?有会的人说下嘛,十分谢谢了{随机数b 英语翻译人教版 9年纪 第三单元 reading The other day ,I found my wallet where I had been leaving it some weeks before.为什么要用where啊?句式怎么看啊?为什么不能说I had left it? 谁有模块9第三单元reading的翻译? 英语翻译麻烦啦 下列物质能大量共存于水溶液中的是A 硝酸 氢氧化钙 氯化钠 B 硝酸钾 氯化铜 硫酸铵 C 氢氧化钠 硫酸镁 氯化钡 D 盐酸 碳酸钠 硝酸钙 Open 24 hours open是名词还是形容词 Open 24 hours open是名词,动词还是形容词 1.I feel very happy that I___B._____to be the host.A.choose B.am chosen C.was chosen D.have chosen2.She said she ___B.___ to a flim every day.A.goes B.went两个句子为什么1中,两个时态可以不一样,2中就要一样,怎么区别?说清楚