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【判断题】
在GUI设计中，单选按钮用来实现用户在多个选项中的互斥选择，在同一组内多个选项中只能选择一个，当选择发生变化之后，之前选中的选项自动失效。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】, is(are) not power supplied by main switchboard directly
A.
steering gear and windlass
B.
navigation light and radio power panel
C.
navigation device power box
D.
daily fresh water pump
【单选题】★★★ MMXVII-VI-I
A.
In cash
B.
By credit card
C.
With a traveler's check
D.
With his smart phone
【多选题】我国法院受理一起美国甲公司和中国乙公司的买卖合同纠纷案,根据我国《民事诉讼法》、《法律适用法》及相关司法解释,关于本案的下列哪些判断是正确的?
A.
代表美国甲公司参加诉讼的人，应当向法院提交其有权作为代表人参加诉讼的证明，该证明应当经所在国公证机关公证，并经中华人民共和国驻该国使领馆认证，或者履行中国与美国订立的有关条约中规定的证明手续
B.
美国甲公司有权委托美国律师以非律师身份担任本案诉讼代理人
C.
美国甲公司的代表人在法院法官的见证下签署授权委托书，委托代理人进行民事诉讼的，法院应予认可
D.
美国甲公司的代表人在中国境内签署授权委托书，委托代理人进行民事诉讼，经中国公证机构公证的，法院应予认可
【单选题】_____ is power supplied by main switchboard, directly not through sub-board.
A.
Deck machinery
B.
little power load
C.
Some important load
D.
Stationary submersible pump
【单选题】For _______the power is supplied by main switchboard directly not through sub-board
A.
saving network cost
B.
improving the reliability of supplying power to important load
C.
preventing sequence reversing
D.
increasing the power Factor of important load
【单选题】★★★ MMXVII-VI-I
A.
It turns to its owner for help.
B.
It turns away to avoid conflict.
C.
It looks away and gets angry, too.
D.
It focuses its eyes on their mouths.
【单选题】To ____ , the power is supplied by main switchboard directly not though sub-board.
A.
save network cost
B.
improve the reliability of supplying power to important load
C.
prevent sequence reverse
D.
increase the power factor of important load
【单选题】★★★ MMXVII-VI-I
A.
To stay safe.
B.
To save energy.
C.
To keep company.
D.
To protect the young
相关题目：
【单选题】★★★ MMXVII-VI-I
A.
In cash
B.
By credit card
C.
With a traveler's check
D.
With his smart phone
参考解析：
知识点：
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