皮皮学，免费搜题
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【单选题】
在控制电路中将接触器的常闭触头串在对方线圈的中，形成相互制约的控制称（）。A.
起动
B.
自锁
C.
点动
D.
互锁
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【判断题】Under the agency, the agent charges a certain amount of commission and undertakes risks and losses. ( )
A.
正确
B.
错误
【简答题】As we know, ____________(钢虽坚硬)is, it will still bend or break under certain conditions.
【单选题】Under the Company Law, a company may purchase its own shares under certain conditions. Which of the following is NOT such a condition?
A.
Where the company is to offer its shares to its senior executives
B.
Where the company is to reduce its registered capital
C.
Where the company is to fix the price of its stocks in the securities market
D.
Where the company merges with another company which holds its shares
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