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问题 单项选择题

患者，男，27岁，近日来声嘶伴吞咽疼痛，喉镜见声门上区有一灰白色囊状物，约1cm×0.6cm×0.5cm大小，活检镜下如图所示，正确的诊断是()

A．甲状舌骨囊肿

B．声带息肉

C．会厌囊肿

D．喉纤维瘤

E．喉神经纤维瘤

答案

参考答案：C

问答题

During a recent meeting of the board of the directors of a company its future prospects were discussed. The chairman informed the rest of the board (composed of five members) that the company was heading towards a state of insolvency. The chairman, nonetheless informed the board that the company had continued to trade over the past months and that he recommended the acquisition of a large investment and requested that the said investment be approved by the board. The transaction was approved. There was one director, Mr Jones, who dissented in view of the company’s precarious financial position and the substantial debts the company had accumulated over recent years.Required:

(b) Explain the defences the dissenting director, Mr Jones, could raise if he were also to be held liable for wrongful trading or fraudulent trading. (4 marks)
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计算题

节能混合动力车是一种可以利用汽油及所储存电能作为动力来源的汽车。有一质量m=1000kg的混合动力轿车，在平直公路上以匀速行驶，发动机的输出功率为。当驾驶员看到前方有80km/h的限速标志时，保持发动机功率不变，立即启动利用电磁阻尼带动的发电机工作给电池充电，使轿车做减速运动，运动L=72m后，速度变为。此过程中发动机功率的用于轿车的牵引，用于供给发电机工作，发动机输送给发电机的能量最后有50%转化为电池的电能。假设轿车在上述运动过程中所受阻力保持不变。求

1）轿车以在平直公路上匀速行驶时，所受阻力的大小；

2）轿车从减速到过程中，获得的电能；

3）轿车仅用其在上述减速过程中获得的电能维持匀速运动的距离。
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