焦油加工的主要任务是获得酚、萘、蒽等纯产品和()等粗产品。
参考答案:洗油沥青
— Guess yesterday.
— I think you went to see the movie The Lion King.
A.where did I go
B.when I did it
C.what did I do
D.what I did
患者,女,咽喉干燥多年,微痒微痛,午后症状明显,喉核肥大,潮红较为明显,压之有黄白色脓样物溢出,伴腰膝酸软,头晕眼花,舌质红嫩,脉细。
若患者一侧扁桃体肿大,且表面有溃疡,其诊断应考虑为()
A.急性化脓性扁桃体炎
B.慢性扁桃体炎
C.咽白喉
D.扁桃体角化症
E.扁桃体肿瘤