一、选择题请在各题目的答题区域内作答,超出黑色矩形边框限定区域的答案无请在各题目的答题区域内作答,超出黑色矩形边框限定区域的答案无效请在各题目的答题区域内作答,超出黑色矩形边框限定区域的答案无效23.(1)_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________(2分)(2)_______________________________________________________(1分)____________________________________________________________(2分)______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________