线粒体蛋白质的合成场所是（）
A.线粒体外膜上的筒状结构
B.基粒
C.mtDNA
D.基质
E.线粒体核糖体
参考答案：E
I had to my little sister when my mother was not at home.
A．look for
B．look after
C．look at
D．look into
* * 囊性增生病可出现（）
A. * * 血性溢液
B.棕褐色溢液
C.黄色或黄绿色溢液
D.乳白色溢液
E.浆液性无色溢液
