人的胰岛素和胰蛋白酶的主要成分都是蛋白质,但合成这两种蛋白质的细胞的功能却完全不同,其根本原因是 ( )
Can you see the monkeys? _______
------- How are you ? -------
--------Here you are . --------- ____________.
--------Can I have some noodles, _________? --------Yes, of course!
-------Good night ,my child. --------Good _________ .