【判断题】Ni(OH)2 是涂覆式Ni/MH电池正极使用的活性物质,电极充电时Ni3+还原成Ni2+;放电时Ni2+被氧化成Ni3+。
【单选题】The network default gateway applying to a host by DHCP is 192.168.5.33/28. Which option is the valid IP address of this host?
【单选题】A put option is an option which gives the buyer the right to buy the currency at the stated strike price on or before the expiry date.
【单选题】A call option is an option which gives the buyer the right to sell the currency at the stated strike price on or before the expiry date.
【简答题】Ni(OH)2是涂覆式Ni/MH电池正极使用的活性物质,每克Ni(OH)2充电过程中Ni2+与Ni3+相互转变产生的理论放电容量约为 mA·h
【单选题】The option premium is______.
A.
the price at which an option writer agrees to sell an option
B.
the price at which an option writer agrees to buy an option
C.
the difference between the price of the underlying asset and the strike price