依次填入下列各句横线处的成语，最恰当的一组是（    ）①将一条鲨鱼和一群热带鱼放进同一个池子，用透明钢化玻璃将它们隔开。鲨鱼每次想捕食时，都会在钢化玻璃上碰壁。____，即便将钢化玻璃取走，鲨鱼也不再会过去捕食。②只要上下一致，____，在新的历史起点上，东北地区必将谱写出浓墨重彩的新章节，赢得更丰沛的尊严和尊重。③在伟大的民族抗战中，无数群众投身抗战，支持抗战，由涓涓细流汇聚成     的救国洪流，最终赢得了近代以来民族解放战争的第一次完全胜利。

Jamaican Usain Bolt was reported ______the world record of 100m in 969 seconds, thus winning his first gold medal

The government officials said that the Chinese Cultural Year in France were useful to the friendship between China and France.

There is in today’s newspaper. Let’s read a storybook.

Her good health is chiefly due to proper diet and_____ exercise.