海南著名的南湾猴岛在哪里()
A.陵水县
B.东方市
C.万宁市
参考答案:A
To children, good habits do not come , so parents and teachers need to be their role models.
A.instantly
B.automatically
C.eventually
D.steadily
反转录病毒的基因组复制方式是()。
A.DNA复制
B.RNA复制
C.反转录
D.中心法则
E.DNA→RNA