选矿厂三车间所用的给矿机是（）。属往复运动式给矿类的振动式给矿机。
参考答案：电振给矿机
甾体激素的前身（）
A.LH受体
B.FSH受体
C.睾酮
D.孕烯醇酮
E.雄烯二酮
Eventually, she has recognized____, whatever happens and however bad ____ seems today, life still goes on and everything will be better tomorrow. [ ]
A. that; it
B. it; that
C. it; what
D. that; what
