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【单选题】
在一个关系R中，所有的非关键字字段之间，不存在传递依赖关系，那么我们称它是()
A.
第一范式
B.
第二范式
C.
第三范式
D.
以上都不是
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参考答案：
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【简答题】Task 4  A shop assistant is presenting a new model of language translator to her customer. Listen to the conversation and choose the points the woman mentions in her description. Language Translator M...
查看完整题目与答案
【多选题】Task 4 A shop assistant is presenting a new model of language translator to her customer. Listen to the conversation and choose the points the woman mentions in her description. Language Translator M...
A.
Attractive shape
B.
Two colors
C.
Safe to use
D.
Easy to use
E.
Advanced technology
F.
Reasonable price
G.
Weight: 80g
查看完整题目与答案
【单选题】The key to pleasant music may be that it pleases our neurons. A new model suggests that【C1】______musical intervals trigger a rhythmically【C2】______ firing pattern in certain auditory neurons, and that...
A.
harmonious
B.
soothing
C.
comfortable
D.
inspiring
查看完整题目与答案
【单选题】()原则认为,推动安全管理活动的基本力量是人,必须有能够激发人的工作能力的动力。
A.
激励
B.
动力
C.
能级
查看完整题目与答案
【单选题】( )原则认为，推动管理活动的基本力量是人，管理必须有能够激发人的工作能力的动力。
A.
动力
B.
激励
C.
能级
D.
安全第一
查看完整题目与答案
【单选题】()认为,推动安全管理活动的基本力量是人,必须有能够激发人的工作能力的动力。
A.
激励原则
B.
动力原则
C.
能级原则
查看完整题目与答案
【单选题】Cool Comfort currently sells 300 Class A spas, 450 Class C spas, and 200 deluxe model spas each year. The firm is considering adding a mid-class spa and expects that if it does it can sell 375 of them...
A.
$600,000
B.
$1,200,000
C.
$1,800,000
D.
$2,400,000
E.
$3,900,000
查看完整题目与答案
【单选题】The new model of the car was put into production in 2007, helped to provide another 1400 jobs. ( 2008 年 6 月 B 级题)
A.
that
B.
which
C.
when
D.
what
查看完整题目与答案
【多选题】Task 4 A shop assistant is presenting a new model of language translator to her customer. Listen to the conversation and choose the points the woman mentions in her description. Language Translator M...
A.
Length: 12cm
B.
Width: 6cm
C.
Height: 3cm
D.
Power: 40w
E.
Languages: 5
查看完整题目与答案
【简答题】完成句子 1. 新的发明使工厂得以大量生产汽车. The new invention enabled the factories to produce cars _____ large _____. 2. 这几年,新建筑物如雨后春笋般地出现在我们城市. In recent years, new buildings have _____ _____ like bamboo shoots after ...
查看完整题目与答案
相关题目：
【简答题】Task 4  A shop assistant is presenting a new model of language translator to her customer. Listen to the conversation and choose the points the woman mentions in her description. Language Translator M...
查看完整题目与答案
【多选题】Task 4 A shop assistant is presenting a new model of language translator to her customer. Listen to the conversation and choose the points the woman mentions in her description. Language Translator M...
A.
Attractive shape
B.
Two colors
C.
Safe to use
D.
Easy to use
E.
Advanced technology
F.
Reasonable price
G.
Weight: 80g
查看完整题目与答案
【单选题】The key to pleasant music may be that it pleases our neurons. A new model suggests that【C1】______musical intervals trigger a rhythmically【C2】______ firing pattern in certain auditory neurons, and that...
A.
harmonious
B.
soothing
C.
comfortable
D.
inspiring
查看完整题目与答案
【单选题】()原则认为,推动安全管理活动的基本力量是人,必须有能够激发人的工作能力的动力。
A.
激励
B.
动力
C.
能级
查看完整题目与答案
【单选题】( )原则认为，推动管理活动的基本力量是人，管理必须有能够激发人的工作能力的动力。
A.
动力
B.
激励
C.
能级
D.
安全第一
查看完整题目与答案
【单选题】()认为,推动安全管理活动的基本力量是人,必须有能够激发人的工作能力的动力。
A.
激励原则
B.
动力原则
C.
能级原则
查看完整题目与答案
【单选题】Cool Comfort currently sells 300 Class A spas, 450 Class C spas, and 200 deluxe model spas each year. The firm is considering adding a mid-class spa and expects that if it does it can sell 375 of them...
A.
$600,000
B.
$1,200,000
C.
$1,800,000
D.
$2,400,000
E.
$3,900,000
查看完整题目与答案
【单选题】The new model of the car was put into production in 2007, helped to provide another 1400 jobs. ( 2008 年 6 月 B 级题)
A.
that
B.
which
C.
when
D.
what
查看完整题目与答案
【多选题】Task 4 A shop assistant is presenting a new model of language translator to her customer. Listen to the conversation and choose the points the woman mentions in her description. Language Translator M...
A.
Length: 12cm
B.
Width: 6cm
C.
Height: 3cm
D.
Power: 40w
E.
Languages: 5
查看完整题目与答案
【简答题】完成句子 1. 新的发明使工厂得以大量生产汽车. The new invention enabled the factories to produce cars _____ large _____. 2. 这几年,新建筑物如雨后春笋般地出现在我们城市. In recent years, new buildings have _____ _____ like bamboo shoots after ...
查看完整题目与答案
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