气相色谱法测定水中苯系物时,用于分离苯系物的色谱柱一般为()极性或()极性柱。
参考答案:非;弱
义务教育均衡发展是我们教育工作的重中之重,十八大结束之后,教育部立即组建了认真学习贯彻十八大精神、均衡发展九年义务教育巡讲团,这是全国第()个巡讲团。
A、1
B、4
C、3
D、2
Jane Acompora is calculating equivalent annualized yields based on the 1.3% holding period yield of a 90 - day loan. The correct ordering of the equivalent annual money market yield MMY), effective annual yield ( EAY), and bond equivalent yield (BEY) is:()
A. MMY < EAY < BEY.
B. MMY < BEY < EAY.
C. BEY < MMY < EAY.