直角三角形边长公式

土地经济特性的属性有哪些 放在烟里的毒品都有哪几种 Filter怎么读 filter英文怎么读 新手练车,想知道车子上坡怎么换挡才是正确的? 汽车上坡怎么换挡 土地分宗什么意思 科学哲学的产生土壤及其意义是什么 混泥土保护层是什么意思 谁能告诉我土地的含义? (1/2)一只排水量为1000t的轮船在河中航行,河水的密度为1000kg/立方米,若轮船满载航行,（g=10N/kg).(...(1/2)一只排水量为1000t的轮船在河中航行,河水的密度为1000kg/立方米,若轮船满载航行,（g=10N/kg). 汽车零件点火线圈Lgnition winding请用汉字教我一下怎么读? 汽车零件英文名称Thermostat请用汉字教我怎么读? 这几个汉字怎么读三分钟急!标拼音并组词 地下水加消毒粉变黄怎么回事 My friend's invited me to go to America with him next year,but because of what happened the lasttime we went on holiday together,I don't know whether to accept. I would rather( )the football match last night with my friends.Otherwise,I would have(见下方)finished my paperwork by nowA.not have watched B.not watch C.hadn't watched D.haven't watched该题正确答案应选A,说明其他几项为什么不正 One of my friends _______ with me last year.A.lives B.lived C.living D.liveOne of my friends _______ with me last year.A.lives B.lived C.living D.live 怎样依照船舶舱容表计算油舱存油?表上的KG LCG YG FSI分别表示什么意思 如何查看船舶油舱舱容表,并计算,望详解, 船舶的排水量是怎样计算的? H2O和D2O两种物质混在一起,是纯净物还是混合物?为什么? 混有D2O的H2O属于纯净物还是混合物?（2标在右下角） 为什么H2O D2O T2O的混合体是纯净物看到有网友回答说是混合物,在这里先声明：肯定是纯净物.不管是老师还是百度百科都这么说的：如果某纯净物中含有某元素的同位素（例如“水”中既有H2O I enjoyed my summer holiday作文、、 注意是过去时 、、我现在是初二 、 别有太多复杂的词汇 、平常一点的 、、 It was my dream holiday in London! actuality it'S my Nightmare!翻译中文是什么意思?谢谢 It was a hot day during the holiday .My mother and I got on the bus All the ___ teachers enjoyed themselves on March 8th,because it was their own holiday.A man B men C woman D women my holidayMY holiday I was busy enough!First,I had to do my homework ,It took me 3 days.But I didn 排水量为1000吨的轮船在河水中航行,满载时船及所装货物所受重力为?受到水的浮力为?如果河水密度为1000kg/m^3,船排开的河水的体积是几m^3? (取g=10N/kg) 求汽车鼓风机工作原理 有电路最好鼓风机和暖风机一样么 线路接正极和接负极有什么区别么 求大神 汽车里的 鼓风机 蒸发箱 暖风机具体什么作用啊?RT