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【单选题】
The hardware and software that must be implemented to support the applications that the primary activities use are a part of the ________ activities.A.
technology development
B.
procurement
C.
inbound logistics
D.
infrastructure
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【简答题】FormView控件中, 属性设定控件的默认行为,即最初如何显示。可能的值包括:ReadOnly、Insert和Edit。
【单选题】(2019·吉林一中月考)下图为科学家通过基因工程培育抗虫棉时,从苏云金芽孢杆菌中提取抗虫基因“放入”棉花细胞中与棉花的DNA分子结合起来而发挥作用的过程示意图。以下相关说法正确的是( )
A.
图中Ⅰ是质粒,步骤①常需用到限制酶和DNA聚合酶
B.
图中Ⅱ是含目的基因的重组Ti质粒,步骤②是将重组质粒导入棉花细胞
C.
图中Ⅲ是农杆菌,通过步骤③将目的基因导入植物细胞
D.
剔除培育成功的抗虫棉体内的四环素抗性基因会影响抗虫基因的表达
【简答题】FormView控件中, 属性设定数据源的键字段。
【单选题】Why did the writer hate sport at school?
A.
Because he didn’t get on well with the captain of sports.
B.
Because he wanted to play a different sport.
C.
Because he was no good at it.
D.
Because they played sport too often.
【简答题】FormView控件中, 属性设定能否对指定数据源中的记录分页。
【单选题】Why didn't Captain Smollett like this voyage?
A.
Because he didn’t like the ship.
B.
Because he didn’t like his first office.
C.
Because he didn’t like his employer.
D.
Because he was employed on secret orders and he found every other man on this ship knew more than he did.
【简答题】FormView控件中, 属性设定遇到空数据值时显示的文本。
【单选题】Captain: Why didn’t you clean your room, Second Officer? Second Officer: I’m terribly sorry, Captain. I’m not felling well. Captain: You must see a doctor while the ship arrives. Second Officer...
A.
Passenger
B.
Second Officer
C.
Captain
D.
Doctor
【单选题】下图为科学家通过基因工程培育抗虫棉时,从苏云金芽孢杆菌中提取抗虫基因“放入”棉花细胞中与棉花的DNA分子结合起来而发挥作用的过程示意图。以下相关说法正确的是( )
A.
图中Ⅰ是质粒,步骤①常需用到限制酶和DNA聚合酶
B.
图中Ⅱ是含目的基因的重组Ti质粒,步骤②是将重组质粒导入棉花细胞
C.
图中Ⅲ是农杆菌,通过步骤③将目的基因导入植物细胞
D.
剔除培育成功的抗虫棉体内的四环素抗性基因会影响抗虫基因的表达
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