2015年9月29日,中央文明办隆重发布9月“中国好人榜”,109位助人为乐、见义勇为、诚实守信、敬业奉献、孝老爱亲的身边好人光荣上榜。一大批为国家富强、民族兴旺、社会和谐、人民幸福付出了深情和心血、汗水甚至生命的身边好人,被网民推举出来。身边好人,虽然人生道路各异、梦想目标不同,但都有一样的责任担当、一样的真情大义、一样的家国胸襟,他们平凡善良、执着坚韧、尽职尽责、无私奉献,是我们共和国的脊梁。很多网友感慨:“中国好人是中国精神的体现、中国价值的化身、中国力量的代表,向上向善、可敬可佩!”一些网友表示:“学习好人,争做好人,尽好自己的职责和本分,就是今天爱国的具体表现。”

阅读材料,回答下列问题:

    Now you are in a dinosaur ____park. Coming here, you will find a kind of old ____, dinosaur, which died out millions of years ago. In our park, we are happy to show you ____ dinosaurs, which lived in the Jurassic. The four-storied-building-high grass-eating dinosaurs are submissive (温顺的) and kind. You can ____ towards them and touch them. But the ____  of them are dangerous. The four-legged meat-eating dinosaurs are very cruel. Please don't ____ them and don't try to give them food. The ____ here is very thick and full of all kinds of animals that lived in the Jurassic. Without any special____and the leading of the guide, please don't step into it. OK, I'm sure that our park will ____anyone who comes here and you will ____a lot from it.

4×3x＋7x=____