在国际金融领域,汇率不断上升的货币称()。
A.软币
B.硬币
C.劣币
D.良币
参考答案:B
It is bad _____ for a man to smoke in public places where smoking is not allowed. [ ]
A. method
B. impression
C. behavior
D. attitude
咳嗽中“咳”的特点是( )
A.有痰无声
B.有声无痰
C.有声有痰
D.无声无痰
E.以上皆非