钠摄入量过多，尿中Na+/K+比值增高，是导致高血压的重要因素。( )
参考答案：对
— How do you find the film you saw last night?
— ________. I can't think too highly of it. [ ]
A. It's really splendid.
B. It all depends.
C. It's just so so.
D. It makes no sense.
下列有关生物大分子在细胞内转移的叙述，错误的是______。
A．分泌蛋白可由核糖体进入内质网B．DNA可由细胞核进入线粒体C．mRNA可由细胞核进入细胞质D．tRNA可由细胞质基质进入核糖体
