We want two good musicians _________ our rock band. [ ]
A. for
B. in
C. of
D. at
答案:A
如图,在平面直角坐标系xOy中,F是椭圆的右焦点,直线y=与椭圆交于B,C两点,且,则该椭圆的离心率是().
区分财产权和人身权的意义在于,财产权受到侵害,一般要发生精神损害赔偿的问题。()