【简答题】以△P和△c表示推动力的传质速率方程中,当平衡关系符合亨利定律时,传质总系数与分系数的关系是____________________________或___________________________,说明吸收总阻力等于______________与_______________之和。
【单选题】2011年获得亚洲电影大奖颁发的终身成就奖的是中国香港导演_________
【简答题】80C51单片机有( )个中断源,单片机系统复位后( )的中断优先级最高。外部中断1的(C语言用)中断序号是( ),(汇编语言用)中断服务程序入口地址是( )。
【简答题】Speculators profit _____ the changes in prices
【单选题】电导率仪在用来测量电导率之前, 必须进行
【单选题】Speculators______.
B.
facilitate hedging opportunities
C.
profit from buying low and selling high
D.
facilitate price discovery
【简答题】以△P和△c表示推动力的传质速率方程中,当平衡关系符合亨利定律时,传质总系数与分系数的关系是____________________________或___________________________,说明吸收总阻力等于______________与_______________之和。
【判断题】Volatility in the exchange rates could make speculators get short-term profit.
【单选题】In the foreign exchange market, ________ seek all of their profit from exchange rate changes while ________ seek to profit from simultaneous exchange rate differences in different markets.
A.
wholesalers; retailers
B.
central banks; treasuries
C.
speculators; arbitragers