【单选题】The currencies generally referred to as "reserve currencies" are the:
A.
Japanese yen and U.S. dollar
B.
Swiss franc and Japanese yen
C.
British pound and U.S. dollar
D.
Swiss franc and British pound
【简答题】The currencies of the countries of the Euroland were phasing out in 200
【单选题】本图节选自结施52,图中箭头所指的为CT2的第一级台阶,该踏步的混凝土高度为( )
【单选题】本图选自结施52,图中箭头所指的为BT2的最后一级台阶,该踏步梯面的结构高度为( )