《中国节水技术政策大纲》提出,市政环境用水在城市用水中所占比例有逐步()的趋势。
A.减少
B.基本不变
C.不变
D.增大
参考答案:D
The performance of the host, ________ to please the audience and draw their attention, was greeted with a cold silence, however.[ ]
A.had intended
B.intended
C.intending
D.to intend
报表设计中,可以通过在组页眉或组页脚中创建()来显示记录的分组汇总数据。