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【单选题】
直流电机定子装设换向极是为了A.
增加气息磁场
B.
减小气息磁场
C.
改善换向
D.
将交流电机换成直流电机
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【单选题】听力原文：W: Bruce Chizen is CEO of Adobe. He is offering some advice on following the founders' footsteps. W: You've said you had an unusual rise to the top at Adobe. How so? M: I was not an engineer. I d...
A.
He was from the eastern part of US.
B.
He is willing to try new ideas.
C.
He is good at experiment.
【单选题】It has been held that the Shipowner will be liable for the loss of or damage to the goods even if this is due to excepted perils，unless he can prove that he has ______ proper care of them whilst they ...
A.
made
B.
taken
C.
gotten
D.
given
【单选题】A) Arranging courses for them. B) Offering them access to the Internet. C)Supporting their interest. D) Givingthem constructive advice.
A.
Arranging courses for them.
B.
Offering them access to the Internet.
C.
Supporting their interest.
D.
Giving them constructive advice.
【单选题】The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 se...
A.
Lower the bridge priority number.
B.
Change the MAC address of the switch.
C.
Increase the VTP revision number for the domain.
D.
Lower the root path cost on the switch ports.
E.
Assign the switch an IP address with the lowest value.
【简答题】Thank you for offering me such useful advice and I_______________________ it.
【单选题】Offering advice on each and every problem will ______ her feeling of being adult
A.
report
B.
simplify
C.
classify
D.
undermine
【简答题】courtesy
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