腭小凹位于（）
A.切牙乳突前方
B.腭皱与切牙乳突之间
C.腭皱后方
D.上颌牙槽嵴后缘
E.软硬腭连接处的稍后方，腭中缝两侧
参考答案：E
Having arrived at the railway station, ______.
A．it was found that the train had left
B．the train had left
C．the train was found left
D．he found that the train had left
（）是中国传统说唱艺术的总称，如评话、鼓曲、快板和相声等都可归入其中。
A.戏曲
B.杂技
C.曲艺
D.折子戏
