题目

遗传物质具有储存遗传信息的功能，下列物质中不能储存遗传信息的是A.核酸 B.脱氧核糖核酸 C.核糖核酸 D.核苷酸 答案：【答案】D【解析】试题遗传物质指核酸，包括DNA和RNA；DNA全称是脱氧核糖核酸，RNA是核糖核酸；核苷酸是核酸的基本单位，不能储存遗传信息，故选D下列各句中均有一处错误，找出并加以改正 1.Everyone arehere, but Jim is away A  B    C         D 2. What time do you go to bedat night? Late than ten. A        B      C         D 3.How much hours of sport do you doevery week? A           B         C         D 4.What was wrong? I wasa few ill. A        B       C   D 5. Tom works very harder. He goesto work. A         B         C    D