目前，欧洲债券以______为主。( )
A．欧洲美元债券
B．欧洲马克债券
C．欧洲日元债券
D．欧洲英镑债券
参考答案：A
使用无线电调车设备调车时，严格执行（）
A、信号
B、说话
C、语言
He was so disappointed that he angrily chose______music he could find in the hope that it might at least seem funny.
A．worse
B．the worse
C．worst
D．the worst
