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【简答题】
在Python语言中,表达式1 <2<3的值为
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【简答题】Due to the fact that light travels______(fast)than sound, lightning is seen before thunder is heard.
【判断题】Fast fading is due to scattering of the signal by object near transmitter
A.
正确
B.
错误
【单选题】对 UML 的叙述不正确的是( )
A.
UML 统一了 Booch 方法、 OMT 方法、 OOSE 方法的表示方法
B.
UML 是一种定义良好、易于表达、功能强大且普遍适用的建模语言
C.
UML 融入了软件工程领域的新思想、新方法和新技术
D.
UML 仅限于支持面向对象的分析与设计阶段,不支持其它的软件开发阶段。
【单选题】Shanghai' s car rental industry is growing so fast mainly due to ________.
A.
better cars supplied by producers
B.
fast service offered by car rental firms
C.
the increasing number of white-collar employees
D.
people's growing interest in traveling during holidays
【单选题】What point does Ricky Bland make about the fast-food industry?
A.
Its attitude to staff development is often misunderstood.
B.
It has difficulty recruiting suitable staff.
C.
It invests more in technology than in staff.
【单选题】In the last line the phrase 'image-conscious society' can be replaced by______.
A.
fast-developing society which is built on a clear image
B.
very imaginative society with nice appearance
C.
the society whose image has been ruined because of money
D.
the society in which image has been attached importance to
【判断题】在绝对位置控制时,在不拔下反馈插头的情况下,轴脱开功能会造成原点丢失,产生ALM300。( )
A.
正确
B.
错误
【多选题】关于UML的说法,正确的是( )。
A.
统一了Booch、OMT和OOSE等方法中的基本概念。
B.
吸取了面向对象技术领域中其他流派的长处,也包含了非OO方法。
C.
UML适用于系统开发过程中从需求规格描述到系统完成后测试的不同阶段。
D.
UML可以对任何具有静态结构和动态行为的系统进行建模
【单选题】对UML的叙述不正确的是()
A.
UML统一了Booch方法、OMT方法、OOSE方法的表示方法
B.
UML是一种定义良好、易于表达、功能强大且普遍适用的建模语言
C.
UML融入了软件工程领域的新思想、新方法和新技术
D.
UML仅限于支持面向对象的分析与设计,不支持其它的软件开发过程
【单选题】If the hydrogen bonds break due to external forces, they break fast. 查看材料
A.
Right
B.
Wrong
C.
Not mentioned
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