因式分解：x³﹣9x=​____ .

①真理具有反复性和无限性

②人能够能动地认识世界

③真理是理论与实践的统一

④自然界的规律是客观的

    Nobody in the street knew Miss Hilton. While she lived, her front gate was always locked and no one ever saw her 1 or saw 2 go in. So even if you 3, you couldn't feel sorry and 4 that you 5 Miss Hilton.

    When I think of 6, I see just two colours, grey and green. The green of mango tree, the grey of the house and the grey of the high iron fence（铁栅栏） that kept you off the mangoes.

    If your football 7 Miss Hilton's garden, you never 8. It wasn't the mango season 9 Miss Hilton died. But we got back about ten 10 twelve of our footballs.

    11 the end of the week a sign was shown on the mango tree: For sale.

    We were ready to dislike 12 even before they came. I think we 13. Already we had one man who kept on complaining（抱怨）about us 14 the police. He complained that we played football near his house and if we weren't playing football he complained that we were making 15 noise anyway.

读世界地图，回答问题。