判断牛型结核分枝杆菌PPD皮内变态反应阳性依据:接种部位局部有明显的炎性反应,皮厚差大于或等于()mm的为阳性。
A.1.0
B.2.0
C.3.0
D.4.0
参考答案:D
影响血β2-M水平的因素有()
A.泌尿系感染
B.炎症
C.年龄
D.性别
E.肿瘤
The actress who had been thought higy of to be a great disappointment. [ ]
A.turned down
B.turning in
C.turned out
D.turning up