皮皮学,免费搜题
登录
搜题
【单选题】
UML建模概念架构中 包括模型层、元模型层、模型层和用户模型层四个层次。关于这四个层次的关系,下列说法错误的是
A.
元模型层中的每个概念都是模型层“事物”概念的一个实例
B.
模型层中的每个概念都是用户模型层中概念的一个实例
C.
用户模型层中的每个概念都是模型层的一个实例
D.
模型层中的每个概念都是元模型层中概念的一个实例
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】We confirm our email of yesterday, ______ as follows.
A.
reads
B.
read
C.
which reads
D.
which reading
查看完整题目与答案
【单选题】输煤胶带的胶接口可割成直口或斜口(一般为30°左右);帆布层为()层及以下的胶带不宜采用直口。
A.
2
B.
3
C.
4
查看完整题目与答案
【单选题】We confirm our cable just dispatched __________ the following items.
A.
offering you firm
B.
firm offering you
C.
to be offered to you firm
D.
to firm offer you
查看完整题目与答案
【简答题】听短文,根据所听内容完成表格。 Name Carol From 1 Language 2 and a little Chinese Age four years old Favorite animals 3 Father's job 4 Mother's job 5
查看完整题目与答案
【单选题】Internet网上一台主机的域名由几部分组成?
A.
3
B.
C
C.
5
D.
若干(不限)
查看完整题目与答案
【判断题】铝及铝合金焊接时,常在坡口下面放置垫板,以保证背面焊缝可以成形良好
A.
正确
B.
错误
查看完整题目与答案
【判断题】铝及铝合金焊接时,常在焊口下面放置垫板,以保证背面焊缝可以成形良好。( )
A.
正确
B.
错误
查看完整题目与答案
【简答题】We wish to confirm our order we placed with you yesterday.
查看完整题目与答案
【单选题】Little Carol ________ some knowledge of the computer just by playing games with her father.
A.
picked up
B.
made up
C.
got up
D.
set up
查看完整题目与答案
【单选题】We confirm our faxjust sent _________ these goods.
A.
firm offering you
B.
offering you firm
C.
to be offered to you firm
D.
to firm offer you
查看完整题目与答案
相关题目:
【单选题】We confirm our email of yesterday, ______ as follows.
A.
reads
B.
read
C.
which reads
D.
which reading
查看完整题目与答案
【单选题】输煤胶带的胶接口可割成直口或斜口(一般为30°左右);帆布层为()层及以下的胶带不宜采用直口。
A.
2
B.
3
C.
4
查看完整题目与答案
【单选题】We confirm our cable just dispatched __________ the following items.
A.
offering you firm
B.
firm offering you
C.
to be offered to you firm
D.
to firm offer you
查看完整题目与答案
【简答题】听短文,根据所听内容完成表格。 Name Carol From 1 Language 2 and a little Chinese Age four years old Favorite animals 3 Father's job 4 Mother's job 5
查看完整题目与答案
【单选题】Internet网上一台主机的域名由几部分组成?
A.
3
B.
C
C.
5
D.
若干(不限)
查看完整题目与答案
【判断题】铝及铝合金焊接时,常在坡口下面放置垫板,以保证背面焊缝可以成形良好
A.
正确
B.
错误
查看完整题目与答案
【判断题】铝及铝合金焊接时,常在焊口下面放置垫板,以保证背面焊缝可以成形良好。( )
A.
正确
B.
错误
查看完整题目与答案
【简答题】We wish to confirm our order we placed with you yesterday.
查看完整题目与答案
【单选题】Little Carol ________ some knowledge of the computer just by playing games with her father.
A.
picked up
B.
made up
C.
got up
D.
set up
查看完整题目与答案
【单选题】We confirm our faxjust sent _________ these goods.
A.
firm offering you
B.
offering you firm
C.
to be offered to you firm
D.
to firm offer you
查看完整题目与答案
参考解析:
知识点:
题目纠错 0
发布