吸收X线最少的是()
A.肋骨
B.肌肉
C.肺
D.牙齿
E.腓骨
参考答案:C
尿中胆红素检测阴性的黄疸类型是()
A.溶血性黄疸
B.急性黄疸性肝炎
C.原发性胆汁性肝硬化
D.病毒性肝炎
E.胆管癌
— What's the weather like in Beijing now?
— It's ______, and the ground is white with ______. [ ]
A. snow; snow
B. snowy; snowy
C. snowy; snow
D. snow; snowy