圆的切线

When she saw the money hidden in the box under her husband'sdesk,she grsped in surprise.这句话怎么翻译? 是will disappear还是had disappeared 还是disappearLarge numbers of wild animals____forever. 持之以恒故事成功贵在持之以恒的简短故事 持之以恒的故事cccccccccccc 怎么学通英语我的英语成绩不算差,但是总是得不到太高的分,我现在在高二,应该怎么学呢? 隋朝亡国之君是谁?是隋炀帝还是隋恭帝? 隋朝有什么人 姓隋的共有都少人?全世界现在共有多少姓隋的人,占所有姓氏的几分之几? 隋朝的国姓是什么?、 隋朝左右仆射有哪些人 1.下面四种烟流扩散类型,与大气状况图对应正确的是 （ ）2.波浪型烟流多出现在（ ）A．晴朗的夜间 B．日出前后C．多云的夜晚 D．晴朗的白天两题答案都选D,我觉得两题答案都选B...第一题 高中地理补偿流是什么 you are my baby I am your 乖 啥意思啊 句型转换 her study is very bad （对划线部分提问） 划线部分：very badthank you for helping me.（改为同义句）they,play,this,i'm,heat,surprised,in,can（连词成句）look at the people .they are playing beach volleyball.（合 在数轴上与原点距离为4的点有多少个,这些点表示的数是?,他们的关系是? 已知数轴上有A.B两点,AB两点之间的距离为1,点A与原点O的距离为3,求所有满足条件的点B与原点O的距离之和 数轴上有AB两点,AB之间的距离为1,A与原点O的距离为3,求所有满足条件的点B与原点的距离的和 已知数轴上有A,B两点,点A,B间的距离为1,点A与原点O的距离为3,求所有满足条件的点B与原点O的距离之和求画数轴. 映射的概念理解对于集合A来说,-------------这些元素称为-------对于集合B来说---------------这些元素称为------- I cannot predict the future. 集合映射问题,能理解的就是高手一：从集合A={1,2,3}到集合B={3,4}的映射f中满足条件f（3）=3的映射个数是 二：设集合A=[1,2},则从A到A的映射f中满足f[f（x）]=f（x）的映射个数是关键在于讲清楚 Lin Hai has the same coat as Li Lei这句话有错吗?老师说句末省略了has,完整的句子应为Lin Hai has the same coat as Li Lei has.我就纳闷了,has怎能指代has the same coat呢?我认为应该是：Lin Hai has the same coat as Li Le 不痴不聋,不做阿家翁.请问出自哪里? 丑妇终需见家翁,它出自那里,故事来由系点样, 不痴不聋,未堪作大家翁古文翻译 MISS day 什么意思啊 I managed to obtain a ticket for the opera,but ____ at the back of the theatre,I could neither see nor hear clearly.A.seatedB.satC.seatingD.sit 我认为she is managed to have the work done in quite another way应该没有is才对she managed to have the work done in quite another way不知道为什么要加is there is some（）and potatoes in the fridge.A.beef b.bread c.eggs d.tomato 选几?why? 怎么不能在C语言中直接写1 They made the rivers dirty and lots of fish died.为什么fish后die用过去式,不能想成made fish +do? 尔翁知我的尔是什么意思?