猜你喜欢
- 1下列物质中不能与金属钠反应的是 苯酚 甘油
- 2如图,∠ABC的平分线与△ABC的外角∠ACD的平分线相交于点M,那么点M到△ABC三边所在直线的垂线段的长度相等的理由是_.
- 3已知一个等腰三角形的底角是顶角的4倍,求它的各个内角的度数
- 4100字左右的数学故事
- 5清明节祭祀祖先的作文
- 6Could you show me your photos_______you took yesterday?A.who B.whom C.that D.where
- 7二元一次方程组 初一下册(8.2)最后一题
- 8You'd better do ___you are required.A.like B.which C.that D.说明原因.
- 9there are ( ) for you A two piece of news B two piece of news C two piece of newses
- 10一道数学题:x/(1*2)+x/(2*3).+x/(2008*2009)=2008