入、出境交通工具，根据情况，应当实施消毒、除鼠、除虫或者其他卫生处理。( )
参考答案：对
Having taken our seats, ______.
A．the professor began the lecture
B．the lecture began in no time
C．we were attracted by the lecture immediately
D．the bell announced the beginning of the lecture
从美育角度看，中国古代一直强调乐，是因为乐有（）
A.心灵感化的作用
B.道德规范的作用
C.理性规范的作用
D.思想统治的作用
