金属音调咳嗽常见于().
A.百日咳
B.慢性支气管炎
C.气管或纵隔内肿瘤
D.支气管扩张
E.声带炎
参考答案:C
You should ___ the students instead of just telling them what to do.
A.reason to
B.reason with
C.explain
D.say
下列《项羽本纪》中的人物,具有工于心计性格特点的是( )
A.项羽
B.刘邦
C.虞姬
D.项伯