将下面句子组成一段连贯的文字，排序恰当的一项是（）（3分）①真人真事，真情实感，真知灼见，这是散文的“生机”力量所在。②读者在读散文时是从不怀疑它的真实性的。③正是从这一点说，散文才被誉为文学的“测谎器”。④作者一做“假”，人格的本色立失。⑤真实是散文的生命。⑥读者一经发现作品“假” ，文章的价值亦即荡然无存。⑦散文从来就是真的艺术，是“真、善、美”的和谐统一。

31It is on the maglev train that is very comfortable _____ I have been to the People’s Square

It is ________ my old camera, so I have just bought a new one.[ ]

The impact of a teacher ___the life of the students should be ____ enough attention to.

Don’t waste water again, or we’ll it one day.