皮皮学，免费搜题
登录
搜题
【单选题】
在数据库系统中，数据的最小访问单位是（ ）。A.
表
B.
字节
C.
字段
D.
记录
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】Why didn't Juli's father spend money fixing their yard?
A.
Because he had not time.
B.
Because he had paid much money for the Medical Treatment for his brother.
C.
---
D.
...
【单选题】关于感生电动势的描述中,下列说法正确的是 :
A.
产生感生电动势的非静电力是洛伦兹力
B.
感动生电动势只能出现在导体中
C.
涡旋电场本质上与静电场相同
D.
普遍形式的电磁感应定律表明变化的磁场可以激发磁场
【单选题】Why didn't the closest ships come to the Titanic's rescue?
A.
They didn't hear the call.
B.
They didn't think it is serious.
C.
They met iceberg too.
D.
They were not fast enough.
相关题目：