一般而言，相对通货膨胀率持续较高国家，其货币在外汇市场上将会趋于( )
A．升值
B．贬值
C．不升不降
D．升降无常
参考答案：B
There are many people _____ only on-line activity is sending and receiving e-mail. [ ]
A. who
B. what
C. which
D. whose
行社违反合同约定，中止对旅游者提供住宿、餐饮、交通等旅游服务的，应当负担旅游者在被中止旅游服务期间所订的同等级别的住宿、餐饮、交通等必要费用，并向旅游者支付旅游费用总额（）的违约金。
A.10%
B.20%
C.30%
D.50%
