遗传密码子共有
A.61个
B.62个
C.63个
D.64个
E.65个
参考答案:D
Tom’s farther, for ________life had once been very hard, got success later in his job.
A.which
B.whose
C.whom
D.who
______ Luneng Taishan Team will win the match.[ ]
A. I sure
B. He's believed
C. He think
D. She's certain