生殖系统可分为j和k，它们除有l的机能外，并具有分泌m功能。
参考答案：内生殖器，外生殖器，产生生殖细胞，分泌性激素
The photograph will show you ________.
A．what does our village look like
B．what our village looks like
C．how does our village look like
D．how our village looks like
图书重印和再版的共同点有（）等。
A.成本不变
B.需进行审读
C.需进行市场调研
D.书名不变
E.书号不变
