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问题 选择题

在“绿色化学”工艺中，理想状态是反应物中原子全部转化为欲得到的产物，即原子的利用率为100%，从根本上减少或杜绝污染。在催化剂作用下，如果用丙炔(C3H4)合成2一甲基丙烯酸甲酯(C5H8O2)，欲按照“绿色化学”要求，还需要的其他反应物是[ ]

A．CH3OH

B．CO2和H2

C．H2和CO

D．CO2和CH3OH

答案

答案：C

问答题

(a) Two years ago, Ah Chong and his brother, Ah Kong, formed a company called Dynamic Duo Sdn Bhd, carrying on the business of manufacturing sports equipment. Both were equal shareholders as well as the directors of the company, with equal powers of management.In June 2006 Ah Kong surrendered his shares and left the company following a quarrel with Ah Chong. Since then Ah Chong has been carrying on the business on his own with the help of three employees.In October 2006 Ah Chong borrowed, in the name of the company, RM1 million from Bank Boleh Bhd, in order to expand the business of the company. However, the business took a turn for the worse, and in August 2007, the company borrowed a further RM1 million from Lenmore Bank.Last month, the company was wound up as insolvent. Bank Boleh and Lenmore Bank wish to know whether Ah Chong could be held personally liable for the debts owed to them.Required:Advise Bank Boleh and Lenmore Bank. (5 marks)
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单项选择题

调速器中，反馈机构（或回路）是（）。

A.自动控制机构

B.自动调节机构

C.自动监视机构

D.自动指示机构
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