皮皮学，免费搜题
登录
搜题
【单选题】
下列关于 RNA聚合酶和DNA聚合酶叙述正确的是( )A.
利用核苷二磷酸合成多核苷酸链
B.
DNA聚合酶能同时在链两端加入核苷酸
C.
RNA聚合酶需要引物
D.
DNA聚合酶只能以RNA为膜板合成DNA
E.
RNA聚合酶和DNA聚合酶能在核苷酸3-OH末端加入单核苷酸
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W: Mary is always complaining about her job. M: Maybe if you try typing letters every day, you'd see what it's like. Q: What does the man mean? (5)
A.
The woman would understand if she did Mary's job.
B.
The woman should do the typing for Mary.
C.
The woman should work as hard as Mary.
D.
The woman isn't a skillful typist.