皮皮学，免费搜题
登录
搜题
【单选题】
系统的组成不包括哪个部分?A.
系统要素X
B.
相关关系集R
C.
系统要素和相关关系的分布形式C
D.
某个元素
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
【简答题】阅读理解。 Children become more generous as they get older, learning the principles of equality by the age of eight. That may not be too surprising to anyone who has kids. Humans are born with a sense of f...
【单选题】My niece has three brothers，all（ ）than she．（ ），John，is an oil worker．
A.
older：The oldest
B.
older；The eldest
C.
elder；The oldest
D.
elder；The old one
【单选题】Young adults ______ older people are more likely to prefer pop songs.
A.
other than
B.
more than
C.
less than
D.
rather than
【简答题】电源模块:缩写为( )
相关题目：