问题
选择题
There has been a（n）____of sadness in the small town since a boy was drowned in the river．
A．scene
B．atmosphere
C．condition
D．appearance
答案
答案：B
词义辨析。A．场面，景象 B．气氛，空气 C．条件，情况 D．外貌。句意：自从这个小男孩在河中溺死后，这个小镇弥漫着一种悲伤的气氛。故选B。