He looked through the pages of advertisements to find jobs () to college students during the summer holidays.
A. obtainable
B. available
C. convenient
D. essential
Have you ever seen a () bag on the table7
A. plastic small black
B. black small plastic
C. plastic black small
D. small black plastic
沉淀反应是
A. 可溶性抗原与相应抗体结合形成凝集小块
B. 颗粒性抗原与相应抗体结合形成凝集小块
C. 颗粒性抗原与相应抗体结合形成沉淀物
D. 可溶性抗原与相应抗体结合形成沉淀物
E. 补体结合反应
蛛网膜下腔出血,最有意义的诊断依据是
A. 突然剧烈头痛、呕吐
B. 脑膜刺激征阳性
C. 偏瘫
D. CT脑部检查呈低密度影
E. 脑脊液检查呈均匀血性,压力增高