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举一反三
【单选题】以下关于涎腺肿瘤的叙述哪项是错误的（）
A.
巨大混合瘤不妨碍面神经功能，但混合瘤可以恶变
B.
腺淋巴瘤多见于老年男性，好发于腮腺后下极，有些病例有消长史
C.
黏液表皮样癌好发于小涎腺，其预后主要取决于分化程度和局部手术的彻底性
D.
腺样囊性癌侵袭性强，血行转移率高，常出现疼痛和面神经麻痹
E.
腮腺恶性肿瘤术中如见面神经穿过瘤体，应考虑牺牲面神经
【单选题】Our brains could be hard-wired to be male or female long before we begin to grow testes(丸)or ovaries(卵巢)in the womb. This discovery might explain why some people feel trapped in a body that’s the wron...
A.
continue to study the influence of genes on human brain sexuality
B.
look for more dominant genes for males as well as for females
C.
continue their study about genes on mice
D.
show that there are differences in expression of genes of males and females