治安警察是指负责维护社会治安秩序，保障公共安全的人民警察。( )
参考答案：对
—Do you enjoy travelling by air?
—No, it's ____ expensive. [ ]
A. too much
B. more much
C. much
D. much too
佛教认为四大部洲中我们人类所居的世界是( )。P88
A．东胜神洲
B．南瞻部洲
C．西牛贺洲
D．北俱卢洲
