用放射性核素治疗骨转移癌,疗效较好的原发肿瘤为()。
A.胃癌
B.肝癌
C.肾癌
D. * * 癌
E.前列腺癌
参考答案:D, E
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— I watch TV and do my homework.[ ]
A. What do you do on Sundays?
B. What are you doing?
C. What day is it?
纵断面具纤维纹理,显绢丝样光泽的药材是()
A、石膏
B、自然铜
C、朱砂
D、赭石
E、炉甘石