táo
méng
lài
____气
呆____
依____
jià huò
chéng
____
____罚
Don't jump to a conclusion! Let's _______ the problem first.
(2015•济南)如图,等边三角形AOB的顶点A的坐标为(﹣4,0),顶点B在反比例函数y=kx(x<0)的图象上,则k=____ .
性激素属于下列哪种化合物
下列有关细菌的叙述中不正确的是()