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【单选题】
电力设备接地电阻数值，应符合下列规定：a）保护接地电阻一般不大于4Ω；当配电变压器总容量不超过（）kVA时，接地电阻值不大于10Ω。b）重复接地电阻值，一般不大于10Ω；当配电变压器总容量不超过100kVA且重复接地不少于三处时，重复接地的电阻值不大于30Ω
A.
4
B.
10
C.
100
D.
315
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参考答案：
举一反三
【单选题】______ you are proven innocent, you can shake off all the shadows cast on you.
A.
While
B.
Even though
C.
Now that
D.
For
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【单选题】To have a dinner at a restaurant on the Eve of the Spring Festival, you need to reserve the restaurant months before it, ____? [     ]
A.
mustn't you
B.
didn't you
C.
don't you
D.
needn't you
查看完整题目与答案
【单选题】To tell you the truth, if you want to study abroad, you must pay more attention to ______English every day.
A.
practise speaking
B.
practising speaking
C.
practising to speak
D.
practise to speaking
查看完整题目与答案
【单选题】某公司生产椅子,单位产品成本1O元,产品售价15元,则该产品的成本加成率是( )
A.
.33
B.
.5
C.
.7
D.
1
查看完整题目与答案
【单选题】— Jack will come to see you next Friday. Do you prefer the morning or the afternoon? — ____, the evening would be better. You know, everyone will be free then. [     ]
A.
None
B.
Either
C.
Neither
D.
Both
查看完整题目与答案
【单选题】— Are you fond of Liu Qian's performance on the eve of the Spring Festival? — No. _____. [     ]
A.
I didn't get it
B.
That's not the point
C.
I've got no idea
D.
It's not my cup of tea
查看完整题目与答案
【单选题】某公司生产椅子，单位产品成本1O元，产品售价15元，则该产品的成本加成率是
A.
33.30%
B.
50%
C.
70%
D.
100%
查看完整题目与答案
【单选题】To have a dinner at a restaurant on the Eve of the Spring Festival, you need to reserve the restaurant months before, _____? [     ]
A.
mustn't you
B.
didn't you
C.
don't you
D.
needn't you
查看完整题目与答案
【单选题】某公司生产椅子,单位产品成本1O元,产品售价15元,则该产品的成本加成率是
A.
0.33299999999999996
B.
0.5
C.
0.7
D.
1
查看完整题目与答案
【单选题】某公司生产椅子，单位产品成本1O元，产品售价15元，则该产品的成本加成率是 ( )
A.
33.3％
B.
50％
C.
70％
D.
100％
查看完整题目与答案
相关题目：
【单选题】______ you are proven innocent, you can shake off all the shadows cast on you.
A.
While
B.
Even though
C.
Now that
D.
For
查看完整题目与答案
【单选题】To have a dinner at a restaurant on the Eve of the Spring Festival, you need to reserve the restaurant months before it, ____? [     ]
A.
mustn't you
B.
didn't you
C.
don't you
D.
needn't you
查看完整题目与答案
【单选题】To tell you the truth, if you want to study abroad, you must pay more attention to ______English every day.
A.
practise speaking
B.
practising speaking
C.
practising to speak
D.
practise to speaking
查看完整题目与答案
【单选题】某公司生产椅子,单位产品成本1O元,产品售价15元,则该产品的成本加成率是( )
A.
.33
B.
.5
C.
.7
D.
1
查看完整题目与答案
【单选题】— Jack will come to see you next Friday. Do you prefer the morning or the afternoon? — ____, the evening would be better. You know, everyone will be free then. [     ]
A.
None
B.
Either
C.
Neither
D.
Both
查看完整题目与答案
【单选题】— Are you fond of Liu Qian's performance on the eve of the Spring Festival? — No. _____. [     ]
A.
I didn't get it
B.
That's not the point
C.
I've got no idea
D.
It's not my cup of tea
查看完整题目与答案
【单选题】某公司生产椅子，单位产品成本1O元，产品售价15元，则该产品的成本加成率是
A.
33.30%
B.
50%
C.
70%
D.
100%
查看完整题目与答案
【单选题】To have a dinner at a restaurant on the Eve of the Spring Festival, you need to reserve the restaurant months before, _____? [     ]
A.
mustn't you
B.
didn't you
C.
don't you
D.
needn't you
查看完整题目与答案
【单选题】某公司生产椅子,单位产品成本1O元,产品售价15元,则该产品的成本加成率是
A.
0.33299999999999996
B.
0.5
C.
0.7
D.
1
查看完整题目与答案
【单选题】某公司生产椅子，单位产品成本1O元，产品售价15元，则该产品的成本加成率是 ( )
A.
33.3％
B.
50％
C.
70％
D.
100％
查看完整题目与答案
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