皮皮学，免费搜题
登录
搜题
【单选题】
哪个属性可用于改变背景颜色?
A.
bgcolor:
B.
background-color:
C.
color:
D.
backgroundColor:
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】He did poorly in his examination,______ how hard he had studied for them.
A.
considering
B.
to consider
C.
thinking
D.
regarding
查看完整题目与答案
【单选题】He did poorly in his examinations, ______ how hard he had studied for them.
A.
considering
B.
to consider
C.
thinking
D.
regarding
查看完整题目与答案
【单选题】在关系模式中实现“关系中不允许出现相同的元组”的约束是( )约束。
A.
候选键
B.
主键
C.
键
D.
超键
查看完整题目与答案
【单选题】He did poorly in his examinations, ______ how hard he had studied for them.
A.
considering
B.
to consider
C.
regarding
D.
to regard
查看完整题目与答案
【单选题】若x、i、j和k都是int型变量,则计算下面表达式后,x的值是( )。
A.
（i=4，j=16，k=32）
B.
4
C.
16
D.
32
E.
52
查看完整题目与答案
【单选题】He did poorly in his examination, ______ how hard he had studied for them.
A.
considering
B.
to consider
C.
regarding
D.
to regard
查看完整题目与答案
【单选题】在关系模式中,实现“关系中不允许出现相同的元组”的约束是( )。
A.
候选键
B.
主键
C.
键
D.
任一键
查看完整题目与答案
【简答题】若x，ij和k都是int型变量，则计算表达式x=(i=4,j=16，k=32)后，X的值为（ ）。 A)4 B)16 C)32 D)52
查看完整题目与答案
【单选题】若x,i,j和k都是int型变量,则执行下面表达式后X的值为()
A.
32
B.
4
C.
16
D.
52
查看完整题目与答案
【单选题】在关系模式中,实现“关系中不允许出现相同的元组”的约束是:
A.
候选键约束
B.
主键约束
C.
外键约束
D.
任意键约束
查看完整题目与答案
相关题目：
【单选题】He did poorly in his examination,______ how hard he had studied for them.
A.
considering
B.
to consider
C.
thinking
D.
regarding
查看完整题目与答案
【单选题】He did poorly in his examinations, ______ how hard he had studied for them.
A.
considering
B.
to consider
C.
thinking
D.
regarding
查看完整题目与答案
【单选题】在关系模式中实现“关系中不允许出现相同的元组”的约束是( )约束。
A.
候选键
B.
主键
C.
键
D.
超键
查看完整题目与答案
【单选题】He did poorly in his examinations, ______ how hard he had studied for them.
A.
considering
B.
to consider
C.
regarding
D.
to regard
查看完整题目与答案
【单选题】若x、i、j和k都是int型变量,则计算下面表达式后,x的值是( )。
A.
（i=4，j=16，k=32）
B.
4
C.
16
D.
32
E.
52
查看完整题目与答案
【单选题】He did poorly in his examination, ______ how hard he had studied for them.
A.
considering
B.
to consider
C.
regarding
D.
to regard
查看完整题目与答案
【单选题】在关系模式中,实现“关系中不允许出现相同的元组”的约束是( )。
A.
候选键
B.
主键
C.
键
D.
任一键
查看完整题目与答案
【简答题】若x，ij和k都是int型变量，则计算表达式x=(i=4,j=16，k=32)后，X的值为（ ）。 A)4 B)16 C)32 D)52
查看完整题目与答案
【单选题】若x,i,j和k都是int型变量,则执行下面表达式后X的值为()
A.
32
B.
4
C.
16
D.
52
查看完整题目与答案
【单选题】在关系模式中,实现“关系中不允许出现相同的元组”的约束是:
A.
候选键约束
B.
主键约束
C.
外键约束
D.
任意键约束
查看完整题目与答案