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【简答题】
在下列关系运算中，不改变关系表中的属性个数但能减少元组个数的是 A) 并 B) 交 C) 投影 D) 笛卡儿乘积
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举一反三
【单选题】以下有关Word2003中打印操作的说法中不正确的是（）。
A.
单击“常用”工具栏上的打印按钮，将打印全部文档
B.
利用“打印预览”功能预览文档打印效果后，必须退出该对话框才能打印
C.
利用“文件”一“打印…”功能，可以设置打印页码范围
D.
可以设置只打印文档的偶数页，也可以实现双面打印
查看完整题目与答案
【单选题】一般选用柴油机燃油的十六烷值为( )之间。
A.
0-20
B.
40-60
C.
80-100
查看完整题目与答案
【单选题】I’m not _________　about food and I don’t care what I eat.
A.
particular
B.
secular
C.
spectacular
D.
circular
查看完整题目与答案
【单选题】—Doris, do you have anything in mind　　　you’d like for breakfast? —　　　is okay with me. I’m not partic
A.
—Doris, do you have anything in mind____you’d like for breakfast? —____is okay with me. I’m not particular about food. A．that; Anything
B.
which; Everything
C.
what; Nothing
D.
whether; Something
查看完整题目与答案
【单选题】I’m not particular ______ my clothes; I don’t mind what I wear.
A.
in
B.
with
C.
about
D.
for
查看完整题目与答案
【单选题】-Hello, I’m looking for a digital camera. -You can have a broad choice here. Are you looking for any particular brand? -_____. Which one is the best?
A.
Not really
B.
Not anymore
C.
Not always
D.
Not necessarily
查看完整题目与答案
【单选题】George: You’re not looking very cheerful. __________? Joe: Oh, nothing in particular. I’m just a bit fed up. George: With your job? Joe: Yes, that ’s right.
A.
Are you OK
B.
Are you feeling well
C.
How are you
D.
What’s the matter with you
查看完整题目与答案
【单选题】—Hello, I’m looking for a digital camera.—You can have a broad choice here. Are you looking for any particular brand? —______. Which one is the best?
A.
Not really
B.
Not necessarily
C.
Not always
D.
Not any more
查看完整题目与答案
【单选题】________ I’m __________ about the work. I’m not strong enough for it.
A.
since…bored
B.
however… exhausted
C.
Not that… particular
D.
Now that…tired
查看完整题目与答案
【单选题】在Word中,下述关于分栏操作的说法,正确的是【 】.
A.
只能对整篇文档进行分栏
B.
只有在打印预览和页面视图下才可看到分栏效果
C.
设置的各栏宽度和间距与页面宽度无关
D.
栏与栏之间不可以设置分隔线
查看完整题目与答案
相关题目：
【单选题】以下有关Word2003中打印操作的说法中不正确的是（）。
A.
单击“常用”工具栏上的打印按钮，将打印全部文档
B.
利用“打印预览”功能预览文档打印效果后，必须退出该对话框才能打印
C.
利用“文件”一“打印…”功能，可以设置打印页码范围
D.
可以设置只打印文档的偶数页，也可以实现双面打印
查看完整题目与答案
【单选题】一般选用柴油机燃油的十六烷值为( )之间。
A.
0-20
B.
40-60
C.
80-100
查看完整题目与答案
【单选题】I’m not _________　about food and I don’t care what I eat.
A.
particular
B.
secular
C.
spectacular
D.
circular
查看完整题目与答案
【单选题】—Doris, do you have anything in mind　　　you’d like for breakfast? —　　　is okay with me. I’m not partic
A.
—Doris, do you have anything in mind____you’d like for breakfast? —____is okay with me. I’m not particular about food. A．that; Anything
B.
which; Everything
C.
what; Nothing
D.
whether; Something
查看完整题目与答案
【单选题】I’m not particular ______ my clothes; I don’t mind what I wear.
A.
in
B.
with
C.
about
D.
for
查看完整题目与答案
【单选题】-Hello, I’m looking for a digital camera. -You can have a broad choice here. Are you looking for any particular brand? -_____. Which one is the best?
A.
Not really
B.
Not anymore
C.
Not always
D.
Not necessarily
查看完整题目与答案
【单选题】George: You’re not looking very cheerful. __________? Joe: Oh, nothing in particular. I’m just a bit fed up. George: With your job? Joe: Yes, that ’s right.
A.
Are you OK
B.
Are you feeling well
C.
How are you
D.
What’s the matter with you
查看完整题目与答案
【单选题】—Hello, I’m looking for a digital camera.—You can have a broad choice here. Are you looking for any particular brand? —______. Which one is the best?
A.
Not really
B.
Not necessarily
C.
Not always
D.
Not any more
查看完整题目与答案
【单选题】________ I’m __________ about the work. I’m not strong enough for it.
A.
since…bored
B.
however… exhausted
C.
Not that… particular
D.
Now that…tired
查看完整题目与答案
【单选题】在Word中,下述关于分栏操作的说法,正确的是【 】.
A.
只能对整篇文档进行分栏
B.
只有在打印预览和页面视图下才可看到分栏效果
C.
设置的各栏宽度和间距与页面宽度无关
D.
栏与栏之间不可以设置分隔线
查看完整题目与答案