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【单选题】
A unit cost is computed by:
A.
Multiplying total cost by the number of units
B.
Divided total cost by the number of units
C.
Dividing variable cost by the number of units
D.
Adding variable cost and fixed cost
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参考答案：
举一反三
【单选题】If you do not wish to be sent product information leaflets please tick this box □ Question:Which sentence is correct?
A.
Leave the box empty if you don’t mind receiving information.
B.
Fill in the box if you need more information.
C.
Tick the box if you are happy with our products.
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【多选题】Please tick out the signs mentioned in the dialogue.
A.
B.
C.
D.
E.
F.
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【单选题】51系列单片机中采用计数器T0完成计数50000次,应选择T0工作于工作方式( )。
A.
0
B.
1
C.
2
D.
3
查看完整题目与答案
【判断题】AT89C51系列单片机有三个定时/计数器,分别为T0,T1,T2。
A.
正确
B.
错误
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【单选题】MCS-51系列单片机内部有2个( )位的加法定时器/计数器T0和T1,T0和T1的控制由寄存器( )和( )完成。
A.
8，TCON, SCON
B.
16, TCON, SCON
C.
8, IE, SCON
D.
16, TMOD,TCON
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【多选题】Please tick the expressions about asking for information.
A.
May I help you?
B.
Is there anything I can do for you?
C.
No, thank. I'm just looking around ...
D.
What's on sale today?
E.
I'm sorry, we don't have any discount today.
F.
How much is it?
G.
What's the price of it?
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【单选题】STC15 系列单片机是 ()T 的 51 单片机, T0 、 T1 和 T2 在单片机复位后,为兼容传统 51 单片机,都工作在 12T 工作方式 。
A.
12
B.
6
C.
2
D.
1
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【单选题】Who can protest and does not is an accomplice in the act.
A.
the same as helping the criminal
B.
seldom useful to society
C.
one good way to fight evil
D.
more effective than individual protest.
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【多选题】Please tick the contents in this video.
A.
What is poster
B.
The language features of poster
C.
The structure of a poster
D.
How to write a perfect poster
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【单选题】51系列单片机的定时器T0用作定时器,采用工作方式2,则TMOD设置为( )。
A.
0x01
B.
0x10
C.
0x11
D.
0x02
查看完整题目与答案
相关题目：
【单选题】If you do not wish to be sent product information leaflets please tick this box □ Question:Which sentence is correct?
A.
Leave the box empty if you don’t mind receiving information.
B.
Fill in the box if you need more information.
C.
Tick the box if you are happy with our products.
查看完整题目与答案
【多选题】Please tick out the signs mentioned in the dialogue.
A.
B.
C.
D.
E.
F.
查看完整题目与答案
【单选题】51系列单片机中采用计数器T0完成计数50000次,应选择T0工作于工作方式( )。
A.
0
B.
1
C.
2
D.
3
查看完整题目与答案
【判断题】AT89C51系列单片机有三个定时/计数器,分别为T0,T1,T2。
A.
正确
B.
错误
查看完整题目与答案
【单选题】MCS-51系列单片机内部有2个( )位的加法定时器/计数器T0和T1,T0和T1的控制由寄存器( )和( )完成。
A.
8，TCON, SCON
B.
16, TCON, SCON
C.
8, IE, SCON
D.
16, TMOD,TCON
查看完整题目与答案
【多选题】Please tick the expressions about asking for information.
A.
May I help you?
B.
Is there anything I can do for you?
C.
No, thank. I'm just looking around ...
D.
What's on sale today?
E.
I'm sorry, we don't have any discount today.
F.
How much is it?
G.
What's the price of it?
查看完整题目与答案
【单选题】STC15 系列单片机是 ()T 的 51 单片机, T0 、 T1 和 T2 在单片机复位后,为兼容传统 51 单片机,都工作在 12T 工作方式 。
A.
12
B.
6
C.
2
D.
1
查看完整题目与答案
【单选题】Who can protest and does not is an accomplice in the act.
A.
the same as helping the criminal
B.
seldom useful to society
C.
one good way to fight evil
D.
more effective than individual protest.
查看完整题目与答案
【多选题】Please tick the contents in this video.
A.
What is poster
B.
The language features of poster
C.
The structure of a poster
D.
How to write a perfect poster
查看完整题目与答案
【单选题】51系列单片机的定时器T0用作定时器,采用工作方式2,则TMOD设置为( )。
A.
0x01
B.
0x10
C.
0x11
D.
0x02
查看完整题目与答案
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