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【单选题】
人站在发生接地短路故障设备或断线的附近,其手与故障设备直接接触,手、脚之间因承受的电压而发生触电属于以下( )。
A.
带电体触电
B.
跨步电压触电
C.
接触电压触电
D.
以上都不对
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举一反三
【单选题】EF17是( )保险丝
A.
左前远光灯
B.
右前远光灯
C.
左前近光灯
D.
右前近光灯
【判断题】按钮的复合触点在按下按钮时的动作为常闭触点先断开,常开触点后闭合。
A.
正确
B.
错误
【简答题】The superstars debuted in late 1980s including ______.
【单选题】Why did saccharin have a bad name in the late 1970s and early 1980s?
A.
Because saccharin contains no calories.
B.
Because some people developed cancer after taking saccharin.
C.
Because saccharin was reported to have caused cancer in lab animals.
D.
Because saccharin tastes bad.
【单选题】Party B has the right to cancel the contract with a written notice to Party A under the following conditions.
A.
乙方在下述情况下有权以书面通知甲方取消合同。
B.
乙方有义务在下述条件下通知甲方签定书面合同。
C.
乙方在下列条件下有权拒绝接受甲方书写的合同。
D.
乙方在下列情况下才得有权与甲方终止书面合同。
【判断题】复合按钮按下时,常开触点先闭合,常闭触点后打开。
A.
正确
B.
错误
【判断题】按下复合按钮时先断开常闭触点,然后接通常开触点 ;当 释放复合按钮 后, 先断开常开触点,再接通常闭触点 。
A.
正确
B.
错误
【单选题】Under FO B, if the buyer sends the vessel to the port of shipment in advance without informing the seller, then the seller _______.
A.
has the right to refuse to deliver goods. Seller has to bear dead freight. ( 空舱费)
B.
h as no right to refuse to deliver goods. However, the seller can ask for compensation.
C.
has the right to refuse to deliver goods without assuming dead freight.
D.
has to deliver goods immediately.
【单选题】保险丝EF17是()
A.
左前远光灯保险丝
B.
右前远光灯保险丝
C.
左前近光灯保险丝
D.
右前近光灯保险丝
【简答题】What was the situation like in late 1980s?
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