陕西地震分布图

学校举行“手工作品制作大赛”,完成一件手工制品,明明用了2/5时,东东比明明慢1/10时,芳芳比东东快1/20时,芳芳完成一件手工作品用了多少小时? 就在外星人参观博物馆是,我报警了.I -----the police ------the alien ----- -----the museum. （1）求y=7-2sinx-2cos2x的值域；（2）求y=2sin（2x+π/6）+1,x∈[π/12,π/2]时的值域. 解方程冬冬家和芳芳家相距720米,两人同时从家出发,相遇时,冬冬离家有多远?冬冬每分钟行65米,芳芳每分钟行55米, 求日记【我有一个温暖的家】高悬赏500字以上家有爸妈奶奶和我 请问下日志的分类.是都在/home/wwwlogs/下吗 新手啊,以前记得好像分数据库日志和访问日志之类的我在SSH里添加域名时有个选择是否开启日志,我关闭了,不知道那个是什么日志因为在/home/wwwlogs/ 我们家的猫丢了我想以这件事写一篇日记 “文科”“理科”用英语怎么说? 和.不同(翻译成英文) often doesn't的近义词 根据汉语提示,填上适当的单词：Bill doesn't often_____(喝）coffee. 是often doesn't 还是 doesn't often 我们老师说是前者,我认为是后者,不知道是谁错了.求高手指教. 补全单词：It doesn't often snow in w_____ in our hometown. He doesn’t often d his car 急 一小时内回答 要不不需要了 d开头的什么词啊 原油与海水的溶合程度怎么样就是原油在海水里的溶解程度怎么样,原油本身会产生什么样的变化. 海水和江水互溶么?如题.貌似是胶体方面的知识. 高中立体几何难,该怎么学? not very often等于seldom还是sometimes很重要的,拜托了!谢谢啦! 如图所示,质量分别为3m、2m、m的三个小球A、B、C用两根长为L的轻绳相连,置于倾角为30°、高为L的固定光滑斜面上,A球恰能从斜面顶端外竖直落下,弧形挡板使小球只能竖直向下运动,小球落地 英语翻译On the other hand,a great many people insist that name is just a symbol,which is of little significance.They even go so far as listing some famous figures with common names.其中They even go so far as listing some famous figures with com 求一道高考的物理题~两辆相同的货车,一辆空载,一辆满载,在同一路面上以相同速率行驶,当紧急刹车后轮子只滑不转,下列哪句判断正确?A货车由于惯性大,滑行距离远B货车由于受到摩擦阻力大 微积分应用问题Water is leaking out of an inverted conical tank at a rate of 6500 cm3/min at the same time that water is being pumped into the tank at a constant rate.The tank has height 6 m and the diameter at the top is 4 m.If the water level 英语翻译如题 不得不做某事的英文 圆C1的方程：x∧2+(y+1)∧2=4,圆C2的圆心C2(2,1)(1)若圆C1与圆C2外切,求圆C2的方程,并求出内公切线的方程.（2）若圆C2与圆C1相交于A.B,且AB的绝对值=2根2,求圆C2的方程速求,有会做的请留言，不希望 《济南的冬天》美在哪 ________by the police,the crazy kidnappers had nothing to do but give up.A Surrounded B Surrounding C Having surrounded D Was surroundedAs the sun goes down,Xitang looks even more attractive with lanterns______high and low.A hanging B hung C hanged D 平面直角坐标系内有一条直线L,经过B(3,1),若以A(1,2)为圆心,3为半径画圆,圆A被直线L截得最短弦长?不是2根号5, 在平面直角坐标系xoy中,已知圆C：(x-1)平方+y平方=9,若直线l过点A（2,2）,且被圆C截得的弦长最短,则直线 l 的方程是? what (happen)to you before the police arrivedhis family (not hear)from him since he went to Americahow many awards ( ) juliet()(get)by the end of2008 葛朗台拜访严监生150字O(∩_∩)O谢谢~ whose在定语从句中一定修饰人吗?还是只修饰名词