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【判断题】
通讯和消息不一样,可以进行适当的艺术想象。()A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Among the basic categories of equipment, which of the following are used to allow the hydraulic energy to be controlled?
A.
hydraulic pumps
B.
valves
C.
hydraulic cylinders
D.
hydraulic motors
【单选题】Among the basic categories of equipment, which of the following are used to convert the hydraulic energy into linear motion?
A.
hydraulic pumps
B.
valves
C.
hydraulic cylinders
D.
hydraulic motors
【多选题】以下哪些方法可以将元素elem隐藏?
A.
elem.hide()
B.
elem.css("display","none")
C.
elem.fadeOut()
D.
elem.slideUp()
E.
elem.slideDown()
【简答题】渗出性出血的原因是什么？
【单选题】Which of the following is not among the basic features of a relational database?
A.
It does not matter what order the rows are in.
B.
It does not matter what order the columns are in.
C.
Different columns should have different column names.
D.
Different columns should have different data types.
【单选题】Among the basic categories of equipment, which of the following is used to convert hydraulic energy into continuous rotary motion?
A.
hydraulic pumps
B.
valves
C.
hydraulic cylinders
D.
hydraulic motors
【单选题】Among the following documents , ( ) is a basic document.
A.
consular invoice
B.
customs invoice
C.
commercial invoice
D.
certificate of origin
【单选题】怎样将elem元素加入表中作为最后一个元素（ ）。A.prepend(self,elem) B.append(self,elem)C.insert(self,elem)+ D.forall(self,op)
A.
prepend(self,elem)
B.
append(self,elem)
C.
insert(self,elem)+
D.
forall(self,op)
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