皮皮学，免费搜题
登录
搜题
【简答题】
某物流企业针对员工个性化发展制定了不同的培训项目,不同的员工可以选修不同的培训项目,考核成绩合格颁发证书,员工有员工号、姓名、从属部门、职位、电话等属性,培训项目有项目号、项目名称、主讲教师、参考教材等属性。 请画出员工选修培训项目的E-R图。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】产生X线管靶面损坏的常见原因有哪些?
【单选题】If you don't know the meaning of the word, you simply can __________ a dictionary.
A.
make out
B.
go over
C.
look up
D.
refer to
【单选题】01-21:00小时段，乙站计划到达的车次、时刻和编组内容分别如下： 21013 20：33 丙及其以远/56 31024 20:15 甲及其以远/30 乙-甲间/15 乙站货场卸/10 请你计算该时间段的到达作业车数是（）
A.
56
B.
30
C.
15
D.
10
【简答题】短文填空。 The mobile phone is a useful thing, but maybe I don't know (1)h to use it. Sometimes it makes things difficult for me. One day I wanted to see my friend nearby. I could (2)a at his house in five...
【单选题】We don't like him because he is always speaking highly of the part he________in the group. [ ]
A.
makes
B.
takes
C.
does
D.
plays
【简答题】听下面一段对话,回答第1至第3三个小题.现在你有15秒钟的时间阅读这三个小题. 1. Where did this conversation take place? A. On the phone. B. At the woman's. C. At the man's. 2. Who is the man? A. A policeman. B. A criminal. C. A ticket s ...
【简答题】常见的变压器类型有( )和干式变压器。
【单选题】— Don’t ______ this old man. It’s not polite. — Sorry, we won’t do that again.
A.
end up
B.
laugh at
C.
make up
D.
give up
相关题目：
参考解析：
知识点：
题目纠错 0
发布
