题目内容
（请给出正确答案）
A.m=1,n=5Bm=3,n=4
B.m=5,n=1
C.m=4,n=5
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更多“Co（III)的八面体配合物CoClm·nNH3若1.0mo…”相关的问题
下列各个配位离子分别具有八面体(六配位)和四面体(四配位)构型，由它们组成的配合物哪些能给出顺磁共振信号。
(1)[Fe(H2O6)]2+;
(2)[Fe(CN)6]6-;
(3)[Fe(CN)6]3-;
(4)[CoF6]3-;
(5)[Co(en)3]3+;
(6)[C(N02)6]4-;
(7)[FeCl4]-;
(8)[Ag(NH3)4]+;
(9)[ZnCl4]2-。
酸性尿中的草酸钙结晶，镜检时多为（）。
A.长棱柱状或针状
B.磨刀石状、叶簇状、菱形片状
C.四角八面体，如信封状
D.小颗粒状，聚集成堆
酸性尿中的尿酸盐，镜检时多为（）。
A.四角八面体，如信封状
B.长棱柱状或针状
C.小颗粒状，聚集成堆
D.磨刀石状、叶簇状、菱形片状
The Fruit Company (F Co) currently grows fruit which customers pick themselves from the fields before paying. F Co is concerned that a large number of customers are eating some of the fruit whilst picking it and are therefore not paying for all of it. As a result, it has to decide whether to hire staff to pick and package the fruit instead. The following values and costs have been identified:
(i) The total sales value of the fruit currently picked and paid for by customers
(ii) The cost of growing the fruit
(iii) The cost of hiring staff to pick and package the fruit
(iv) The total sales value of the fruit if it is picked and packaged by staff instead
Which of the above are relevant to the decision？
A.All of the above
B.(ii), (iii) and (iv) only
C.(i), (ii) and (iv) only
D.(i), (iii) and (iv) only
(i) Hangle Garment Co had given up a credit of RMB 500,000 yuan owed by its affiliate enterprise in August 2013;
(ii) Some shareholders of Hangle Garment Co failed to make full capital contributions as prescribed in the articles of association of the company;
(iii) There was a contract between Hangle Garment Co and Bright Department Store, which was concluded before the bankruptcy application was accepted and had been partly performed.
Required:
In accordance with the Enterprise Bankruptcy Law of China:
(a) State whether the action of giving up credit could be revoked during the process of liquidation. (2 marks)
(b) State how the lack of full capital contributions by some of the shareholders of the company should be dealt with. (2 marks)
(c) State what right the bankruptcy administrator has regarding the partly-performed contract between Hangle Garment Co and Bright Department Store. (2 marks)
(i) Contribution will be increased by $2 for each additional kg of material B purchased at the current market price
(ii) The maximum price which should be paid for an additional kg of material B is $2
(iii) Contribution will be increased by $1·20 for each additional kg of material B purchased at the current market price
(iv) The maximum price which should be paid for an additional kg of material B is $2·80
Which of the above statements is/are correct？
A.(ii) only
B.(ii) and (iii)
C.(i) only
D.(i) and (iv)
A.硝酸铵NH4N03
B.碳酸氢钾KHC03
C.尿素CO(NH2)2
D.磷酸二氢铵NH4H2P04
The chief executive officer (CEO) of Faoilean Co has just returned from a discussion at a leading university on the ‘application of options to investment decisions and corporate value’. She wants to understand how some of the ideas which were discussed can be applied to decisions made at Faoilean Co. She is still a little unclear about some of the discussion on options and their application, and wants further clarification on the following:
(i) Faoilean Co is involved in the exploration and extraction of oil and gas. Recently there have been indications that there could be significant deposits of oil and gas just off the shores of Ireland. The government of Ireland has invited companies to submit bids for the rights to commence the initial exploration of the area to assess the likelihood and amount of oil and gas deposits, with further extraction rights to follow. Faoilean Co is considering putting in a bid for the rights. The speaker leading the discussion suggested that using options as an investment assessment tool would be particularly useful to Faoilean Co in this respect.
(ii) The speaker further suggested that options were useful in determining the value of equity and default risk, and suggested that this was why companies facing severe financial distress could still have a positive equity value.
(iii) Towards the end of the discussion, the speaker suggested that changes in the values of options can be measured in terms of a number of risk factors known as the ‘greeks’, such as the ‘vega’. The CEO is unclear why option values are affected by so many different risk factors.
Required:
(a) With regard to (i) above, discuss how Faoilean Co may use the idea of options to help with the investment decision in bidding for the exploration rights, and explain the assumptions made when using the idea of options in making investment decisions. (11 marks)
(b) With regard to (ii) above, discuss how options could be useful in determining the value of equity and default risk, and why companies facing severe financial distress still have positive equity values. (9 marks)
(c) With regard to (iii) above, explain why changes in option values are determined by numerous different risk factors and what ‘vega’ determines. (5 marks)
