What ______ public is concerned about is whether medical workers and scientists will be able to find _____ cure for this new disease in a short time .

A．不填；a

B．不填；the

C．the ; 不填

D．the ; a

变应性鼻炎发作期的主要表现为

A．打喷嚏

B．鼻黏膜水肿，有多量清水样涕，嗜酸性粒细胞增多

C．鼻塞

D．鼻黏膜充血

E．过敏原接触史