Question 3
A. Tuesdays and Thursdays.
B. Monday and Wednesday afternoon.
C. Wednesday and Friday afternoon.
D. Friday afternoon.
Question 4
A. In the lecture hall.
B. In the cafeteria.
C. At the admission office.
D. In the library.
社会保障制度的核心是( )
A.社会救济
B.社会保险
C.社会福利
D.社会优抚
与急性肾小球肾炎的发生有关的病原体是
A. 支原体
B. 病毒
C. 真菌
D. 链球菌
E. 衣原体