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1._____he is ill,_____he goes to school.A.Although,but B./,/ C,Although,/ D.But,although2.The old man is well because he often_____A.exercise B.drinks C.sleeps D.play3.Don't read in bad____your eyes.A.for B.of C.with4.I try to eat junk food once a we ______he is ill,_____he goes to school.A Although,but B /;/ C Although;/ D But; although 在三角形abc中,ab=13,ac=15,bc=14,求bc边上的高ad?急用! 在三角形ABC中,AB=AC,D,E分别在AC,AB上,BD=BC,AD=DE=BE,求角A的度数!十点前就要,快, 如图所示,在△ABC中,AB=AC,AD是∠BAC的平分线,BD=2cm,求BC的长及∠ADC的度数.用三线合一的方法 已知如图,在△ABC中,AB=AC,P是∠BAC的平分线AD上一点求证:(1)AD⊥BC(2)PB=PC Although he was ill yesterday,he went on working.(用but改写) Although he was ill,________he went on working.A.but B.yet C.and D.while 知道的快回答, 已知数列{an}为等比数列,(1)若a1=4,q=-2,求a5,s5.(2)若a2,1/2a3,a1成等差数列,求公比Q, 英语翻译11.What is the highest level of education that you have attained?这个问题应该是问学位.想知道12 有把握的请回答, what is your specific transport requirement 甲到乙的水路长208千米,船顺流从甲到乙一时行26千米,水流速度是每小时5千米,逆流回到甲港要多不用方程 甲、乙两港间的水路长312千米,一只船从甲港开往乙港,顺水8小时达到,从乙港返回甲港,逆水13小时到达.船在静水中的速度是（ ）千米 journal与magazine在意思都为杂志时有什么区别?我指是意思都为杂志 英语单词journal与magazine有什么区别? its not like they have a lot of things do anyway!如何翻译啊 most of ______something前面要不要加the it is __ most kind of you.用不用加the Journal和Periodical有什么区别吗? magazine ,journal,periodical,technical它们的区别是什么? 对相同状况下的CO和N2两种气体,下列说法不正确的是.A若体积相等,则质量相等B若原子数相等,则体积相等C若分字数相等,则体积相等D若体积不相等,则密度不相等 选哪个为什么 招聘信息中的,SE TL SE 我认为是高级工程师,那么其他二个呢? 王玲25分钟走了1千米,平均每分钟走( )千米 无限稀释活度系数的用处 Do I have to do things they like----- I have to do the things they like to do 这两句话有什么区别如题 matlab拟合结果,sse很大,但是R-square接近于1了第一组第二组拟合结果的好坏中重点是看sse还是R-square啊? 在matlab里SSE,R-square,RMSE,Adjusted R-square,DFE的大小表示什么呢? matlab里sse,rsquare,dfe,adjrsquare,rmse 分别是什么?麻烦给我说中文名称就可以了 I felt my life with my hands to see if i was there to sure if it belongs to me. n个某原子的质量是bg,则b mol该原子的质量之和为 已知n个某原子的质量为bg,则b个该原子的相对原子质量之和是?A.6.02×10的23次方 B.n分之b的平方 C.b的平方之n D.6.02×10的23次方 猜谜语.ni shuotai yang da ,wo shuo tai yang xiao bu xin yong chi liang .zhi you yi cun chang打一字迷!帮个忙