继发性胆脂瘤多发生于()
A.鼓窦
B.外耳道
C.上鼓室
D.中鼓室
E.下鼓室
参考答案:C
The driver was at______loss when________word came that he was forbidden to drive for speeding.[ ]
A. a; the
B. /; /
C. the; the
D. a; /
农作物种子质量监督检查的主体是()
A、种子管理部门
B、质量技术监督部门
C、农业主管部门
D、种子质量检验部门