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举一反三
【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
【单选题】关于精囊腺的解剖错误描述为（）。
A.
位于膀胱底
B.
在输精管壶腹外侧
C.
为长椭圆形囊状器官
D.
其排泄管与射精管相连
E.
精囊腺全长3～4cm，管腔最宽处可达7～10cm