A:表达产物是抗体
B:基本组成单位是脱氧核苷酸
C:是经改造后的乙肝病毒
D:生产过程不需要DNA连接酶和限制性核酸内切酶
It's next to a supermarket.____
It's 8:00. It's time to read books.
____。