若多项式x2+mx﹣6有一个因式是(x+3),则m=____
I manage to get the chance to interview Ma Yun. I am very excited.
“天苍苍,野茫茫,风吹草低见牛羊”的景观是指( )
下图所示地区可能发生某种“环境变迁”,读图回答题。该“环境变迁”最可能是 ( )
Look!The bear under the tree.