he ______word “ PM2.5” constantly appearing in _____media reports, people pay greater attention to it and seek health tips for smoggy days.

依次填入下列各句横线处的成语，最恰当的一组是（ ）①安理会正在表决第二套关于制裁伊朗的法案，伊朗对第一套法案________，而继续它的铀浓缩计划。②一些政府部门缺乏“大数据思维”，或是把自己掌握的丰富信息________，或是缺乏迈开步子的勇气，摆脱不了“数据小农意识”。③近日，嘉定高速大队民警在巡逻过程中，查获一起严重违法行为。高速匝道倒车，险象环生，交警鸣笛示警，司机却仍________。

I think the lives of children in poor areas_____ greatly by this project.

I hope ______ a role in ____the result.

He’s working hard for fear that he _______.