昌乐二中高二分班

怎么样才能让大家喜欢你?我是女生哦!(*^__^*) 嘻嘻 谢谢啦 把一个底面半径是2分米高3分米的圆柱体铁块熔铸成一个底面半径是3分米的圆锥体.这个圆锥体的高是多少分米 ∠AOB=30°,点M在OB上,且OM=5,以M为圆心,r为半径画圆,室讨论射线OA与圆M的公共点数 角AOB=30°,点M在OB上,且OM=5cm,以M为圆心,r为半径画圆.(1).讨论射线OA与圆M的公共点个数,并写出r相应的取值范围；(2).若C是OA上一点,OC=5√3cm,讨论线段OC与圆M的公共点个数,并写出r相应的取值范围. 原产南美洲的经济作物有什么?. 把一个底面半径4分米,高6分米的圆柱体铁块,熔铸成一个底面半径是3分米的圆锥体,这个圆锥体的高是多少分米? 下列热带经济作物 其原产地是南美洲的是1天然橡胶 2咖啡 3甘蔗 4香蕉 5金鸡纳 6可可 其原产地是南美洲的是A 123 B 456 C 234 D156 南美洲是—,—,和—,等热带经济作物的故乡 将棱长0.5米的正方体钢坯,锻造成一根横截面为5平方厘米的正方体钢条.所得钢条长多少米呢? 把一个体积为300立方厘米的正方体木块,削成一个体积最大的圆锥,圆锥的体积是? ∠AOB=30°,M是OB上一点,OM=6cm,以点M为圆心,4cm为半径的圆于射线OA的位置关系是 角AOB=30度,M为OB边上任一点,以M为圆心,2cm为半径作圆M,当OM=?cm时,圆M与OA与OA相切 If it _____ tomorrow,we will have a football match in the playground.A.rains B.doesn一撇t rain C.will rain D.won一撇t rain 一个圆柱形钢条,长5米,横截面半径10厘米,已知每立方分米钢重7.8克,这钢条重多少千克? We have a football match (用时间状语tomorrow来改写句子) 一根圆柱形钢条长5米,横截面的直径是6厘米,每立方厘米钢重7.8克,这根钢条重多少千克? There is going to be a football match tomorrow,这里的be 可以换做have吗? We will have a football match tomorrow if doesn't rain.写出上句的同义句:We will have a football match tomorrow ________ ________ ________. Do you have another t___to the football match? 1.Do you have another t____ to the football match?下面三题用所给词的适当形式填空拜托各位了 3Q1.l need some money ____(buy )some books for my sister.2.he was very ____(surprise)to see me yesterday.3.l had an ____(argue) with my par I heard you have won another match.C___! you don't have to worry you don't have to cry there'll be another time电视某节目后的歌，歌词“you don't have to worryyou don't have to crythere'll be another time~”求曲名~ i heard you have won another match ____填什么 南美洲有多少个国家? 南美洲一共有多少个国家 用科学记数法表示：0.003……有这些数字：0.0030.00045840000我急需,悬赏! There__a football match between Spain and Italy next week.A.is going to be B.is going to have(A).为什么不能选B? 英语翻译这个深夜里,没法可以安睡卧看天空洒泪,任寒风吹冰冷的梦里,没法跟你相聚也许心里的泪,未能抹去缘份让我去握碎彼此相爱太苦累不想跌进这火堆但愿忘怀甜梦里还是让我去面对尽 there____a football match next month.A.is goingto have B.is going to be 谭咏麟水中花粤语这么唱,我要中文翻译. There ____a football match next staurday.A is going to be B will C is going to have D will have请说明理由 甲,乙两地相距300m,小刚和小英分别从两地同时出发,相向而行,步行速度都是1.5m/s,有一条小狗在两人之间来回奔跑,奔跑的速度是6m/s.问：小刚和小英从出发到相遇这段时间内,小狗共奔跑了多少