X线或CT造影检查时所用碘剂的过敏试验方法为经静脉注入30%泛影葡胺1ml后观察多少分钟后有不良反应()
A.10
B.15
C.25
D.30
E.以上都不是
参考答案:B
He's going to hospital in Beijing for special ________, and there they have good medical care. [ ]
A. training
B. cure
C. disease
D. treatment
国际奥委会从哪一年奥运会开始试行兴奋剂检查?()
A.1964
B.1968
C.1972
D.1976