新时代全顺V348短轴10座踏板配置是（）
A.高踏不带移动踏板
B.高踏带移动踏板
C.低踏不带移动踏板
D.低踏带移动踏板
参考答案：B
著作权和邻接权
Of the science books in a certain supply room, 50 are on botany, 65 are on zoology, 90 are on physics, 50 are on geology, and 110 are on chemistry. If science books are removed randomly from the supply room, how many must be removed to ensure that 80 of the books removed are on the same science ？（）
A．81
B．159
C．166
D．285
E．324
