I have a little brother who is 11 years old this year.We get on well with each other and have had a lot of good times together.Several days ago,I bought a book for him.The book is written by those who have won the Nobel Prizes and it aims to help children learn about the unknown world.Before I bought the book,I had read it.I think it is a good book for him,because he is interested in new things and has so many questions.I hope that by reading such a book,my brother can learn more about the world and know how to be a good person.
最新问答: 十一、把下列成语补充完整,再按要求写成语. 30(x+y)=400 80(y-x)=400 的解, (本小题满分6分)萧山在实施促进课堂教学,提高教学质量,某中学对九年级学生进行了一次“你最喜欢的课堂教学方式”的问卷调查 把一张正方形铁皮沿虚线折(如图),围成一个长方体水箱的侧面.给水箱配的下底面积有多少平方分米?做成的水箱能存多少升水? 氯酸钾和二氧化锰都溶于水吗? 小红看一本书第一天看了全书的百分之三十第二天看了全书的百分之二十这时还剩下36页没有看这本书一共多少 It's time to school .Let's go. 已知:如图,AF平分∠BAC,BC⊥AF,垂足为E,点D与点A关于点E对称,PB分别与线段CF,AF相交于P 贵州高中物理教科书是哪几本?详细点 下列叙述错误的是( )A标准状况下,1LHCl和1LH2O的物质的量相同B标准状况下,1gH2和14gN2的体积相同C在 《弟子规》告诉我们,“称尊长”正确的态度是 屈强 1+1=几啊 别添加用英语怎么写 可能性与概率有什么区别和联系? 化学是什么 由120个碱基组成的DNA分子片段,可因其碱基对组成和序列的不同而携带不同的遗传信息,其种类数最多可达( ) 定义两种运算:a⊕b=√(a²-b²),a⊙b=√(a-b)² 3M田园风光效果如何?最近想贴膜,看到很多种颜色,橄榄绿太绿了,有点刺眼!看了田园风光,不知道是不是也绿,看上去档次如何 小明有36元零花钱,小岗有24元两人捐出同样的钱后小明剩下的钱数是小岗剩下钱数的3倍两人各捐出多少钱?(不用方程式) 在基因工程研究和应用中,为什么必须使用载体来克隆外源DNA片断?