皮皮学,免费搜题
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【单选题】
招标文件的发售期不得少于( )
A.
3日
B.
5日
C.
7日
D.
15日
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【单选题】S7-200 型的PLC输入映像寄存器的编号范围为( )
A.
I0.0-I15.7
B.
M0.0-M2.7
C.
Q0.0-Q2.7
【单选题】According to Professor Wang, what is the purpose of the present-day education?
A.
To turn out an adequate number of elite for the society.
B.
To prepare students for their future career.
C.
To offer practical and utilitarian courses in each programme.
D.
To set up as many technical institutions as possible.
【简答题】请大家根据分组,选择一个税种,选择一个具体案例,小组讨论后形成PPT,到时候在课堂上做汇报。
【判断题】变压器可以改变交流电压,也可以改变直流电压。( )正确只能改变交流电压。
A.
正确
B.
错误
【判断题】S7-200型PLC中输入映像寄存器一般来自程序内部的运算结果。( )
A.
正确
B.
错误
【单选题】According to Professor Wang, what is the purpose of the present-day education?
A.
To turn out an adequate number of elite for the society.
B.
To prepare students for their future career.
C.
To offer practical and utilitarian courses in each program.
D.
To set up as many technical institutions as possible.
【多选题】陶瓷的三大主要矿物组成是 、 、 。
A.
粘土
B.
长石
C.
石英
D.
添加剂
【单选题】According to Professor Wang, what is the purpose of the present-day education?
A.
To turn out an adequate number of elite for society.
B.
To prepare students for their future career.
C.
To offer practical and utilitarian courses in each programme.
D.
To set up as many technical institutions as possible.
【判断题】变压器不但可以改变交流电压,也可以改变直流电压。
A.
正确
B.
错误
【单选题】They are broadening the bridge to ________ the flow of traffic.
A.
put off
B.
turn on
C.
speed up
D.
work out
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