下列可用作B群链球菌鉴定的试验是()
A.杆菌肽敏感试验
B.肝汁七叶苷水解试验
C.cAMP试验
D.山梨醇发酵试验
E.6.5%NaCl生长试验
参考答案:C
Not until all the fisli died in the river _____ how serious the pollution was. [ ]
A. did the villagers realize
B. the villagers realized
C. the villagers did realize
D. didn't the villagers realize
认为艺术即直觉,直觉即表现的理论家是______
A.科林伍德 B.欧盖尼·弗尔龙C.克罗齐 D.布洛克