举一反三是那个数字

理论上1度电能把多少立方水抽到10米高处就算是效率为100％的高效率水泵?重力加速度取10时!希望能给出计算过程,要物理学与动力学高手才能回答吧!呵呵 Read it and write a summary（第二篇）2.Did Humans Lose Their Sixth Sense?At one time humans also had this sixth sense,Rabinowitz said,but lost the ability,when it was no longer needed or used.Joyce Poole is director of the Savanna Elephant Vocal Read it and write a summary2. Did Humans Lose Their Sixth Sense? At one time humans also had this sixth sense, Rabinowitz said, but lost the ability, when it was no longer needed or used. Joyce Poole is director of th 甲每分钟行60M,乙每分钟行65M,丙每分钟行75M如果甲乙二人在1村,丙在2村,他们三人同时由两村相向而行,丙遇到乙后,继续行走10min遇到甲,求1,2两村相距多少米 write a paragraph of about 130 words on the topic:The most important thing I think I should learn at collegeYou can follow the outline:1)The thing;2)Your reason(s);3)Your conclusionThanks! 请问在英国除了用插头转换器还用变压器么? if you go into the forests with friends有没有全文翻译、、咱要翻译! 已知关于x的二次函数f(x)=x^2+(2t-1)x+1-2t.1 对于任意t∈R,方程f(x)=1必有实数根；2 求证：f(x)=0在区间（－1,0）及（0,1／2）上各有一个实数根．2若1/2 已知关于x的二次函数f(x)=x的平方+（2t-1)x+1-2t.(1)求证：对于任意t属于R,方程f(x)=1必有实数根；(2)若1\2 把甲午战争、解放战争、鸦片战争、北伐战争按时间顺序排列 Read and complete the writing with the words in the box所给单词:discover culture supper sour suggest wheat experienceT like Chinese ( ) and I love Chinese food a lot.There's a nice Chinese restaurant near my home and I go there almost every day f 已知f(x)=x³+sinx,x∈(-2/π,2/π),解不等式f(1-x)+f(1-x²)＜0 用导数怎么解 1、把下列汉字按声母发音部位进行归类：散、曾、跑、闹、六、字、是、学、日、黄、接、起、顿、派、目、福 用当dàng,dāng组词. Fill in the blanks with the words from the box这句话 主语 谓语 宾语等分别是什么 You want to have a word or words with me? 晟沣怎么读：[shèng] [chéng] /feng Fill in the gaps with words or phrases chosen from the box. Change the form where necessary.on the side close in on be bathed income a long way under any circumstances regardless ofon a small scale for one thing 求助:Fill in the gaps with words or phrases chosen from the box. Change the form where necessary.1.pertinent 2.shallow 3.for life 4.all of a sudden 5.run down 6.in good condition 7.in detail 8.tangle 9.in a way 10.a h 1.Fill in the gaps with words or phrases chosen from the box.Change the form where necessary.call for follow up pay offdetect turn the tide in cooperation withdestiny bring to a halt have a crackhave a sense that cooperation in the neighborhood of(1) 声母有哪些,发音方法 求取l为声母的正确发音法 英语翻译谁能帮忙翻译下!xiexie 在ruler这个单词中有一个u用英语表示这句话 和you、ruler、blue都有相同音素的单词. 关于孝心的故事(200字左右）18篇 英语翻译敲错字了，是翻译成法语 “汉语”和“中文”的差别?为什么对同一种语言有两种称呼?作为一个中国人,我想我们有必要弄清楚这个问题. 英语翻译 甲5步时间乙6步,乙4步距离甲7步,甲先跑55米,乙追甲,甲再跑多少米乙追上甲? 甲5步的距离和乙走4步相等,甲走6步的时间和乙走5步相等,甲乙相距10米,追上乙时共走了多少米? 请帮我解释一下这些中国话我是看电影学汉语的人.我看了这部电影,非常有意思,但电影里几个文章是我难以理解.有没有人能用简单的口头话再说明呢?基于词典里的用法来说明的话,请看以下.