He has many _____ in his room. [ ]
A. ice cream
B. soccer balls
C. broccoli
D. tomato
B
某企业拟建立一项基金,每年初投入100000,若利率为10%,五年后该项基金本利和将为()
A、671600
B、564100
C、871600
D、610500
简述气流干燥原理及其特点。