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问题 单项选择题

关于无气压或气压低引起气压制动系制动失效的原因。甲认为：空气压缩机传动带打滑就是引起上述故障的原因。乙认为：空气压缩机损坏或供气量小是其中之一。丙认为：单向阀卡滞或制动管路堵塞是其中之一。看法正确的是（）。

A、甲和乙

B、乙和丙

C、丙和甲

D、均错

答案

参考答案：B

问答题

On the advice of his accountant, Mat registered a private limited company to conduct his small manufacturing business in January 2010. One of the reasons for establishing the company was to avoid liability for potential losses. The initial shareholders of the company were Mat, his wife Mary, and her father Norm, who each took 1,000 shares in the company, each with a nominal value of ￡1. The accountant explained that they did not have to pay the full nominal value of the shares at once, so they each paid only 25 pence per share taken, with the result that they still owed the company a further 75 pence per share to be paid at a later date.When the company was established it became apparent that it needed to borrow money from a bank to finance an expansion in production. To that end Oop bank plc lent the company ￡20,000 secured by a fixed charge against the land Mat had previously transferred to the company, with an additional personal guarantee from Mat for any further debts owed by the company to the bank.Unfortunately the business has not proved successful and Mat and the other shareholders have decided that it is better to liquidate the company rather than run up any more debts. The current situation is that the company’s land is worth ￡20,000 and it has further assets to the value of ￡7,750, but it has debts to business creditors of ￡10,000 and owes the bank a further ￡10,000 on its bank overdraft.Required:Explain the rights of the various creditors and the potential liability of Mat, Mary and Norm. (The actual costs of winding up may be ignored.) (10 marks)
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多项选择题

单代号网络图与双代号网络图相比，其特点包括（）。

A.工作之间的逻辑关系容易表达，且不用虚箭线，故绘图较简单

B.网络图便于检查和修改

C.由于工作持续时间表示在节点之中，没有长度，故不够形象直观

D.由于箭线受到时间坐标的限制，对网络计划的修改比较麻烦

E.表示工作之间逻辑关系的箭线可能产生较多的纵横交叉现象
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