单项选择题
Nowadays, switchboards only enable guests to dial their own local calls through the hotel operator.
A.对
B.错
Nowadays, switchboards only enable guests to dial their own local calls through the hotel operator.
A.对
B.错
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多项选择题
关于甲状腺滤泡性腺瘤的病理学特征,下列哪些是正确的?
关于甲状腺滤泡性腺瘤的病理学特征,下列哪些是正确的?
A.腺瘤内滤泡及滤泡上皮细胞大小较一致
B.腺瘤与周围甲状腺实质不同
C.会压迫周围甲状腺组织
D.肿瘤直径一般小于4cm
E.可伴有出血、坏死、囊性变、纤维化和钙化