下列有关DNA复制的叙述,正确的是( ) A.DNA在复制过程中若发生差错,一定会改变生物的性状 B.DNA的复制过程是先解旋后复制 C.DNA的复制通常发生在细胞分裂间期 D.DNA复制过程需要DNA聚合酶和RNA聚合酶 答案:C
-What do you think of his advice?
-_________ and we’d better take it.
[ ]
A.
It couldn’t be better.
B.
It couldn't be worse.
C.
It couldn’t be worst.
D.
I’m afraid so.