以上为抗酸染色阳性的细菌是()
A.肺炎链球菌
B.难辨梭状芽孢杆菌
C.铜绿假单胞菌
D.龟分枝杆菌
E.厌氧杆菌
参考答案:D
简述交联性纤维蛋白的降解产物。
--I heard that as many as 4 000 people were killed in 9
--Yes. __________ news came as __________shock to us.
A. the ; the B. the ; a C, / ; / D. / ; a