人民警察是我国人民民主专政的重要工具之一，是武装性质的国家治安行政力量和刑事执法力量。 ( )
参考答案：对
钟表上的时间是2时20分，这时它的时针与分针所成的锐角是（ ）度．
It is difficult for a teacher to give _____ attention to children in a large class.We should reform the situation
in order to meet each child's needs.[ ]
A. private
B. personal
C. individual
D. single
