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问题 填空题

如图所示，A、B两轮半径之比为1：3，两轮边缘挤压在一起，在两轮转动中，接触点不存在打滑的现象，则两轮边缘的线速度大小之比等于______。A轮的角速度与B轮的角速度大小之比等于______。

答案

1∶1，3∶1

问答题

(a)Five friends Dennis, James, Kelvin, Peter and Sylvester, who are all qualified chemists, decide to launch a pharmaceutical company called Ponesai Vanhu Ltd. The company has an authorised share capital of 1,000,000 shares divided into 1,000,000 shares of $1 each. Prior to the company launching a public share offer (IPO) for purposes of raising some of the company’s much needed capital the five promoters who are all directors of the company issued a prospectus in accordance with the requirements of the Companies Act (Chapter 24:03).The prospectus among many other statements makes the following declarations under the heading, ‘The Company’s Trading Prospects’1. That the company had already secured lines of credit from a reputable overseas bank for purposes of securing state of the art plant and equipment for manufacturing drugs.2. That the company had secured export orders from customers in three neighbouring countries.It turns out that discussions with the overseas bank and potential customers from the three neighbouring countries are still on-going and are unlikely to be concluded satisfactorily any time soon. When this information comes to light the company’s shares, which had started trading at $10·00 each are now worth only 20 cents.Two shareholders, Innocent and Ndapusa decide to sue the company’s five directors for misrepresentation.Required:In relation to company law, describe Innocent and Ndapusa’s prospects of success in their intended litigation against the company’s promoters. (5 marks)
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单项选择题 A型题

真核细胞型微生物的特点是（）

A.无核仁、核膜

B.有核仁、核膜

C.无细胞器

D.无染色体

E.无核糖体
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