305、306皮带停机再次启动时，时间间隔至少（）分钟。粉碎机停机再次启动时，时间间

Greg is a member of the board of directors of Huge plc. He also controls a private limited company Imp Ltd through which he operates a management consultancy business. He also owns all the shares in Jet Ltd through which he conducts an investment business.When Greg learns that Huge plc is going to make a take-over bid for Kop plc he arranges for Jet Ltd to buy a large number of shares in Kop plc on the London stock exchange on which it makes a large profit when it sells them after the take-over bid is announced. He then arranges for Jet Ltd to transfer the profit to Imp Ltd as the charge for supposed consultancy work. The money is then transferred to Greg through the declaration of dividends by Imp Ltd.Required:Analyse the above conduct from the perspective of criminal law paying particular attention to the issues of:

(b) money laundering. (5 marks)

简述鲁本斯艺术特点，列举主要作品。

干法选煤的优点有哪些？

电力系统通信主要为（）服务，同时也为基建、防汛线路检修、行政管理服务。