好句要短有解释

如图,倾角θ＝370的光滑斜面底端有一挡板,斜面上有质量分别为mA=1kg、mB=2kg的两物块A、B,用劲度系数为K＝200N/m的轻弹簧相连,并处于静止状态.现用一沿斜面向上的恒力F拉动物块A,经时间t=0.2s使 如图,已知斜面倾角370,物体A质量mA=0.4kg,物体B质量mB=0.6kg,H=1.0m.B从静止开始和A一起运动,B落地时速度v=2m/s.若g取10m/s2,绳的质量及绳的摩擦不计,求：（1）物体B下落的加速度 （2）物体A与斜面间 There _ a bank and two pay phones near here.A.has B.have C.are D.isThere _ a bank and two pay phones near here.A.has B.have C.are D.is ( )schoolbag is here.( )is on the desk but where is( ( )have a lovely little dog.( )name is ve( )saw ( )beside ( )desk but ( )is not there now .( )have a lovely little dog.( )name is very huahua.( )often play with( )at home.Mr green is( )english teac 一套普通住房房子的总价是40万元如果一次性付清房款就有九五折的优惠如果用一次性付款付款后还要按照房款总数的3％缴纳契税契税要缴纳多少元?一定要列算是的啦 here ( ) the book for your brother.have has are is Here ( ) a tie and a shirt for you.A.is B.are C.has D.have 配置农药波尔多液,为什么一般选用木通而不用铁铜来配制?如何检验配好的波尔多液是否含有硫酸铜? 下列物体的质量大约1kg的A.一把椅子.B.一张桌子C.一只鸡D.一本书 FRIENDS第五季,PHOEBE和LARRY这段,PHOEBE说这句是什么意思?Now,if after dinner you still really need to bust someone,I know a hot dog vendor who picks his nose. 某单位建设家属楼,小明家分到一套价格为12万元的住房,按要求（第一年）付房款3万元,从第二年起,每年应付房款0.5万元与上年剩余房款的利息和.假如剩余方房款年利率为0.4%,小明列表.若第N Do know the hot dog you girl如何连成句子 有红黄蓝三个箱子,一个苹果放入其中一个箱子内,并且1红箱子写着苹果在这个箱子呢黄箱子上写着苹果不在有红黄蓝三个箱子,一个苹果放入其中一个箱子内,并且（1）红箱子写着苹果在这个 盒子有红黄蓝球,摸到红色球的可能性是4分1黄色的可能性是12分5蓝球的可能性是3分1这个盒子最少有多少球? 将10个苹果放进红黄蓝3只盒子里,每盒至少1个,共有几种不同放法 求一篇关于蚂蚁精神的作文关于他们从不放弃的那方面!多点字! 求一篇观察蚂蚁的作文 【急】物体A的质量为1kg,置于水平地面上物体A的质量为1kg,置于水平地面上,物体与地面的动摩擦因数μ=0.2,从t=0开始,物体以一定初速度v0向右滑行的同时,受到一个水平向左大小恒为F0=1N的作用, 有100块石子和6个盒,第1个盒子2块,第2个盒子4块.照这样下去放满6盒.100块够吗?请把算式写下来 I like apple best .Apple is my favourite(f ) 括号里填什么,首字母给出. 31．Chinese people’s favorite food is ________ A． rice B． hamberger C． hot dog D． lemonnada31．Chinese people’s favorite food is ________ A． rice B． hamberger C． hot dog D． lemonnada my favorite food is ____. Fish is my favorite food.(变为同义句）I＿＿＿ fish ______. My favorite food is noodles 同义句My favorite food is noodles同义句 改错There are four season in a year.They are spring,summer,autumn or winter.There are four season in a year.They are spring,summer,autumn or winter.In spring there are many beautiful flowers on the garden.The birds begin to sing songs.In summer the 液压缸内径过大怎么办内径为80的缸体,现在活塞装上去间隙太大,要怎么返工!活塞头上的密封件已经装上,缝隙还是大,要怎么改缸体内径!可不可以直接在缸体内壁镀一层硌!急需在线等!谢谢! 1/1×2=1-1/2,1/2×3=1/2-1/3,1/3×4=1/3-1/4,1/4×5=1/4-1/5 则第十个式子是-_____=--___第n个算式是-_--_____=__根据以上规律解答下题：若有理数a.b满足a-1的绝对值+（b-3）²=0,试求1/ab+1/(a+2)(b+2)+1/(a+4)(b+4)+.+1/(a 在哪一个盒子里?英文怎么说? 歌词中有best way we like it 是什么 是什么歌曲里的?不是best way we like it ,是that's way we like it 还有一句是Let's do it. there are four seasons in a year.they are spring,summer,fall and winter.Spring is warm and sunny.ththere are four seasons in a year.they are spring,summer,fall and winter.Spring is warm and sunny.The thees 15个书包用英语怎么说(短语) 我的书包在哪里英文词组