—What's your dream job for the future, Bruce?
—I'm going to be a/an _______ like Li Yundi or Lang Lang.
A:pianist
B:actor
C:violinist
D:engineer
求不等式组 {5x−3<4x4(x+1)+2≥x 的解集,并把它们的解集在数轴上表示出来.
水稻生长需要量较多的是含下列哪项的无机盐( )