She’s hoping her first performance in the US will be the first step on the road to success, then she wants to try her ________ in Hollywood.

A．profit

B．fortune

C．distinction

D．wealth

铁是人体必需的微量元素之一，有多种重要生理功能。

食物中不受植酸影响的铁是（）

A.氧化铁

B.血红素铁

C.非血红素铁

D.三价铁

E.二价铁