兰花（）是兰花易发生而普遍严重的病害。
A.白粉病
B.锈病
C.炭疽病
D.叶斑病
参考答案：C
把可用来记录信息的磁带、硬磁盘组、软磁盘片、卡片等称为______。
Carl is studying food science at college and hopes to open up meat processing factory of his own one day.
A．/;the
B．the; a
C．/;a
D．the; the
