依次填入下列各句横线处的成语，最恰当的一组是（    ）①随着孙杨、宁泽涛等人的强势崛起，中国男子游泳项目的实力和过去相比，已经不可        。②现在之所以有人误将贵阳目前的经济总量与一线城市         ，是因为在过去一年里，贵阳奇迹般地创造出五个“中国第一”，大有实现弯道超车的势头。③花千骨怎能和赵丽颖 虽然近期由同名畅销小说改编的玄幻古装电视剧《花千骨》热播叫座，花千骨红得发紫，但毕竟是赵丽颖入骨入心演绎的功劳。

_____ hard work, he gained high achievements in that area.[ ]

Nobody knows for sure what effect the global warming have ______ our environment in the long term

I____to work out the maths problem in your way. — You can also try____ it in your own way. [ ]

The room is_______ to hold 300 men.