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【判断题】
变压器是根据电磁感应原理而工作的，它只改变交流电压，不能改变直流电压。
A.
正确
B.
错误
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参考答案：
举一反三
【单选题】A:Utopia. This is Inland. Over.B:lnland. This is Utopia. I read you with signal strength l. Please change to channel 6. Over. Q:Which channel will Utopia change to?
A.
Channel 16
B.
Channel 6
C.
Channel 11
D.
Channel 14
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【简答题】题目: 16.This is _____ the most difficult job I have ever tackled. A) by rights B) by itself C) by oneself D) by far 题目: 17.It was imperative that I _____ as close as possible. A) be B) will be C)...
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【简答题】S1:Shanghai Pilot Station. This is MV Blue Whale.Do you read me?S2:MV Blue Whale. This is Shanghai Pilot Station.Please change to Channel 16. Q:What is MV Blue Whale advised to do?A. To remain on Chan...
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【单选题】A:Blue Sea. This is.Nutcracker. Follow me. Keep a distance 'of 120 metresbetween vessels. Over. B:Ndtcracker. This is Blue Sea. I’ll keep a distance of 120 metres between vessels. Over.Q:What is the ...
A.
To slow down
B.
To keep a distance of 120 metres between 'vessel
C.
To reduce speed
D.
 To stop engine .   .
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【单选题】A: Utopia. This is Ioland. Over.
A.
Ioland. This is Utopia. I read you with signal strength 1. Please change to channel 6. Over.
B.
Which channel will Utopia change to?
C.
Channel 16
D.
Channel 6
E.
Channel 11
F.
Channel 14
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【单选题】有一星形连接的三相对称负载,已知其各相电阻R=8Ω,电感L=25.5mH,现把它接入线电压U L =380V、f=50Hz的三相线路中,求通过每相负载的电流。( )
A.
16A 、11A、22A；
B.
11A 、12A、22A；
C.
11A 、12A、24A；
D.
22A 、22A、22A。
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【单选题】Gargantua: Mayday. Mayday. Mayday. All ships. This is Gargantua. I need help. I am sinking. My position is 50°00’ North, 16°22’West. Utopia: Gargantua. This is Utopia. I am coming to your assistance...
A.
collision, 130°four miles from South Sand Light vessel
B.
sinking, 50°00’ North, 16°22’West
C.
on fire, 50°00’ North, 81°00’West
D.
collision, 50°00’ North, 16°22’West
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【简答题】My Cyber Friends These are photos of my cyber friends. This is Amy. She is a lovely girl. She is just 16 years old. Her mother is a doctor and her father is a banker. They are Americans. Amy isn’t a s...
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【单选题】A: Newharbor Pilot Station. This is Red Sea. Channel 6. Over.B: Red Sea. This is Newharbor Pilot Station. Channel 6. Over.Q: What channel is Red Sea going to use?
A.
Channel 16
B.
Channel 6
C.
Channel 7
D.
Channel 8
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【单选题】This is ________ ball. It's not ________ .
A.
the boy's, girl's
B.
the boy's, the girl's
C.
the boy, the girl
D.
boys', girls
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相关题目：
【单选题】A:Utopia. This is Inland. Over.B:lnland. This is Utopia. I read you with signal strength l. Please change to channel 6. Over. Q:Which channel will Utopia change to?
A.
Channel 16
B.
Channel 6
C.
Channel 11
D.
Channel 14
查看完整题目与答案
【简答题】题目: 16.This is _____ the most difficult job I have ever tackled. A) by rights B) by itself C) by oneself D) by far 题目: 17.It was imperative that I _____ as close as possible. A) be B) will be C)...
查看完整题目与答案
【简答题】S1:Shanghai Pilot Station. This is MV Blue Whale.Do you read me?S2:MV Blue Whale. This is Shanghai Pilot Station.Please change to Channel 16. Q:What is MV Blue Whale advised to do?A. To remain on Chan...
查看完整题目与答案
【单选题】A:Blue Sea. This is.Nutcracker. Follow me. Keep a distance 'of 120 metresbetween vessels. Over. B:Ndtcracker. This is Blue Sea. I’ll keep a distance of 120 metres between vessels. Over.Q:What is the ...
A.
To slow down
B.
To keep a distance of 120 metres between 'vessel
C.
To reduce speed
D.
 To stop engine .   .
查看完整题目与答案
【单选题】A: Utopia. This is Ioland. Over.
A.
Ioland. This is Utopia. I read you with signal strength 1. Please change to channel 6. Over.
B.
Which channel will Utopia change to?
C.
Channel 16
D.
Channel 6
E.
Channel 11
F.
Channel 14
查看完整题目与答案
【单选题】有一星形连接的三相对称负载,已知其各相电阻R=8Ω,电感L=25.5mH,现把它接入线电压U L =380V、f=50Hz的三相线路中,求通过每相负载的电流。( )
A.
16A 、11A、22A；
B.
11A 、12A、22A；
C.
11A 、12A、24A；
D.
22A 、22A、22A。
查看完整题目与答案
【单选题】Gargantua: Mayday. Mayday. Mayday. All ships. This is Gargantua. I need help. I am sinking. My position is 50°00’ North, 16°22’West. Utopia: Gargantua. This is Utopia. I am coming to your assistance...
A.
collision, 130°four miles from South Sand Light vessel
B.
sinking, 50°00’ North, 16°22’West
C.
on fire, 50°00’ North, 81°00’West
D.
collision, 50°00’ North, 16°22’West
查看完整题目与答案
【简答题】My Cyber Friends These are photos of my cyber friends. This is Amy. She is a lovely girl. She is just 16 years old. Her mother is a doctor and her father is a banker. They are Americans. Amy isn’t a s...
查看完整题目与答案
【单选题】A: Newharbor Pilot Station. This is Red Sea. Channel 6. Over.B: Red Sea. This is Newharbor Pilot Station. Channel 6. Over.Q: What channel is Red Sea going to use?
A.
Channel 16
B.
Channel 6
C.
Channel 7
D.
Channel 8
查看完整题目与答案
【单选题】This is ________ ball. It's not ________ .
A.
the boy's, girl's
B.
the boy's, the girl's
C.
the boy, the girl
D.
boys', girls
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