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【单选题】
After I ______ the work of the department, I was transferred to another one.A.
learnt
B.
had learnt
C.
would learn
D.
was learning
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【多选题】初温终压不变时，提高蒸汽的压力对机组经济性的影响，下列说法错误的是：（ ）
A.
提高初压，汽机绝对内效率增加
B.
提高初压，理想循环热效率增加
C.
提高初压，汽轮机的相对内效率下降
D.
提高初压，理想循环热效率下降
【简答题】日本国歌《君之代》的歌词取自（）
【单选题】When agers have something difficult to say to their parents, they usually stay alone at home.
A.
Right.
B.
Wrong.
C.
Doesn't say.
【单选题】分子荧光与分子磷光均为第一激发态的最低振动能级跃至基态中各振动能级产生的光辐射,它们的主要区别在于:
A.
产生光辐射的能源不同
B.
激发态能态的多重度不同
C.
跃至基态中的振动能级不同
D.
无辐射弛豫的途径不同
【单选题】Why is lucky money usually given to children and agers?
A.
Because children and agers are too young to earn money.
B.
Because s hope it can help to drive evil spirits away.
C.
Because children and agers like getting money from their seniors.
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