喉部异物可引起（）
A.气管旁淋巴结肿大
B.声门拍击音
C.声音嘶哑
D.纵隔摆动
E.纵隔移位
参考答案：C
－Having many helpers makes a task easier and faster to complete.
－I think so. ______. [ ]
A. Many hands make light work
B. Too many cooks spoil the broth
C. The early bird catch the worm
D. The more you learn, the more you know
