皮皮学，免费搜题
登录
搜题
【判断题】
决定单纯扩散方向和通量的驱动力是物质的浓度梯度。
A.
正确
B.
错误
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】下列关系模式属于什么范式( ) R(X,Y,Z), F={Y→Z,Y→X,X→YZ}
A.
BCNF
B.
3NF
C.
2NF
D.
1NF
查看完整题目与答案
【单选题】What is Dickiason's particular form. of self-publication?
A.
She ran her own publishing house.
B.
She wrote her poems in her letters.
C.
She wrote to newspapers regularly.
D.
She recorded her poems in her diary.
查看完整题目与答案
【单选题】下列关系模式属于什么范式( ) R(X,Y,Z), F={XY→Z}
A.
BCNF
B.
3NF
C.
2NF
D.
1NF
查看完整题目与答案
【单选题】A woman in an Mrican home ______.
A.
depends on her husband at any time
B.
doesn't do any housework
C.
doesn't depend on her husband at all
D.
lives in her own hut and runs her own household
查看完整题目与答案
【单选题】What is Dickinson's particular form. of self-publication?
A.
She ran her own publishing house.
B.
She wrote her poems in her letters.
C.
She wrote to newspapers regularly.
D.
She recorded her poems in her diary.
查看完整题目与答案
【单选题】下列关系模式属于什么范式( ) R(W,X,Y,Z), F={X→Z,WX→Y}
A.
BCNF
B.
3NF
C.
2NF
D.
1NF
查看完整题目与答案
【简答题】对于影片采取的定格拍摄折纸偶的表现形式,有何看法,你将来的定格动画作品考虑采取此形式吗?说说原因。
查看完整题目与答案
【单选题】本章节欣赏的幕间曲选自
A.
威尔第的歌剧《阿依达.》
B.
威尔第的歌剧《茶花女.》
C.
比才的歌剧《卡门》
D.
莫扎特的《魔笛》
查看完整题目与答案
【单选题】002200022方法
A.
干燥剂干燥
B.
恒压恒温
C.
减压恒温
D.
减压常温
E.
常压恒温
查看完整题目与答案
【单选题】能实现本题所述转变的试剂 F 可以是( )
A.
有机锂
B.
有机镁
C.
异丙醇铝锂
D.
Lindlar 催化加氢
查看完整题目与答案
相关题目：
【单选题】下列关系模式属于什么范式( ) R(X,Y,Z), F={Y→Z,Y→X,X→YZ}
A.
BCNF
B.
3NF
C.
2NF
D.
1NF
查看完整题目与答案
【单选题】What is Dickiason's particular form. of self-publication?
A.
She ran her own publishing house.
B.
She wrote her poems in her letters.
C.
She wrote to newspapers regularly.
D.
She recorded her poems in her diary.
查看完整题目与答案
【单选题】下列关系模式属于什么范式( ) R(X,Y,Z), F={XY→Z}
A.
BCNF
B.
3NF
C.
2NF
D.
1NF
查看完整题目与答案
【单选题】A woman in an Mrican home ______.
A.
depends on her husband at any time
B.
doesn't do any housework
C.
doesn't depend on her husband at all
D.
lives in her own hut and runs her own household
查看完整题目与答案
【单选题】What is Dickinson's particular form. of self-publication?
A.
She ran her own publishing house.
B.
She wrote her poems in her letters.
C.
She wrote to newspapers regularly.
D.
She recorded her poems in her diary.
查看完整题目与答案
【单选题】下列关系模式属于什么范式( ) R(W,X,Y,Z), F={X→Z,WX→Y}
A.
BCNF
B.
3NF
C.
2NF
D.
1NF
查看完整题目与答案
【简答题】对于影片采取的定格拍摄折纸偶的表现形式,有何看法,你将来的定格动画作品考虑采取此形式吗?说说原因。
查看完整题目与答案
【单选题】本章节欣赏的幕间曲选自
A.
威尔第的歌剧《阿依达.》
B.
威尔第的歌剧《茶花女.》
C.
比才的歌剧《卡门》
D.
莫扎特的《魔笛》
查看完整题目与答案
【单选题】002200022方法
A.
干燥剂干燥
B.
恒压恒温
C.
减压恒温
D.
减压常温
E.
常压恒温
查看完整题目与答案
【单选题】能实现本题所述转变的试剂 F 可以是( )
A.
有机锂
B.
有机镁
C.
异丙醇铝锂
D.
Lindlar 催化加氢
查看完整题目与答案