平面直角坐标系中，直线y=x+3与y=-2x+6的图像

Is it ever proper for a medical doctor to lie to his patient,Now a new light is shed on them!翻译成中文 已知a+b+c=0,且abc≠0,化简a^2/(b+c)+b^2/(c+a)+c^2/(a+b).Rt.尽快. —Does Liu Hui serve in the army?—No,but he _____in the army for three years.A.served B.has servedC.is serving D.would serve Does Liu Hui serve in the army?No,but he ___in the army for three years.A.servedB.has servedC.is servingD.would serve选哪个,为什么? --Dose Liu Hui serve in the army?--No,but he ( ) in the army for three years.A served B has served C is aerving D would serve serve in the army和join the army的区别比如serve in the army是完成时里的,只是状态.join the army是现在或将来的,表动作, 改为一般疑问句I see a picture over the bed.I can see a mirror in Zoom’s room.I have a teacher.还有：He is tall and strong.My father is strict.The woman is my grandma.That man is Mr Chen.My English teacher is Miss jiang.It's Tuesday today. 对于含两个向量的向量组,他们线性相关的从要条件是? 中国鼠疫(黑死病)发生在什么时候? 【初一数学】因式分解（第九小题） 如图,配平此化学方程式? 纸叠小猪 请问纸爪子怎么折 这个句子怎么写 古诗词填空(两首诗)蒌高满地( )( )( ),正是河豚( )( )( ).劝君莫惜金缕衣,( )( )须惜少年时.有花堪折直须折,( )( )无花空折枝.以上填空是我在做作业时遇到的问题,知道的网友请回答一下, 求古诗文填空的 有图 初中英语题,有疑惑...1.I really don't konw _____ it. A how to do B what to do C how can i do 2.Miss Yang told us the moon _____ round the earth. A moves B moved C is moving 怎样去除脚毛 He got up late,so he had to run _____ to the school.A.all the way B.on the way C.in a way D.by the way 句子怎么写? 只要怎么写句子 为什么what do some students do on weekends?中some不能用any代替?主要不知怎么用简明的语句去讲解这个知识. 已知大象的脚比他们的鼻子和尾巴总和多10,求大象有多少只? 在三角形ABC中,角A=50度,高BE,CF（或延长线）交于O,且O不与B,C重合,求角BOC的度数. What can you see in the picture?（用two birds进行回答） Which is your pencil case The one _____a picture of cats A.of b .from c.with d.to (说明理由.] 三角形ABC中,角A=70°,高BE,CF交于O,则角BOC为? 希唯尔是由谁创立的? 希唯尔在选择材料上有着独特见解,独特性在哪里? 猫哭耗子--泥菩萨过河--狗咬吕洞宾--猪鼻子里插大葱--太平洋的警察--千里送鹅毛--填后面的歇后语 千里黄云白日曛 北风吹雁雪纷纷描写了哪5种景色