溶血性贫血共有的临床表现为（）
A.肝、脾肿大
B.腰背疼痛
C.尿胆红素阳性
D.黄疸
E.贫血
参考答案：A, D, E
It was_________ back home after the experiment.
A．not until midnight did he go
B．until midnight that he didn’t go
C．not until midnight that he went
D．until midnight when he didn’t go
将RNA核苷酸顺序的信息转变为氨基酸顺序的过程是
A．复制B．转录C．反转录D．翻译
