FIDIC《施工合同条件》规定，付给争端裁决委员会的酬金，分为( )。
A．裁决费
B．月聘请费
C．日酬金
D．现场考察费
E．年聘请费
参考答案：B,C
With no agreement ___, the leaders in the six-side talks will spend another two hours, ___in the hotel, ___the nuclear problem of the North Korea.
A．reaching; locking; discussing
B．reaching; locking; having discussed
C．reached; locked; discussing
D．reached; locked; discussed
设阿伏伽德罗常数（NA）的数值为nA，下列说法正确的是（ ）
A．常温常压下，2.8g乙烯和丙烯的混合物中所含原子总数为0.2nA
B．1mol甲基所含电子总数为7nA
C．1L 0.2mol/L的硫酸铁溶液中所含铁离子总数为0.4 nA
D．用含0.32mol H2SO4的浓硫酸跟足量铜反应，转移的电子数为0.2 nA
