It was while he was visiting his uncle in amountain village ______ he got the inspiration for his new novel.

下列选项中排序最为合适连贯的一项是（ ） ① 由于没有了狼的控制，鹿大量繁殖，越来越多，首先遭殃的便是草，它们很快被吃光了，草没有了，鹿也难逃厄运 ② 在草原上，鹿吃草而被狼吃。 ③ 然而，事实上不会这样。 ④ 由此，我们可以看出事物链的任何一环都不能被破坏。 ⑤ 所以狼吃鹿虽然表面上对鹿不利，但实际上对鹿的种族延续是起决定作用的。 ⑥ 如果把狼的这一环节去掉，照理说对草不会有什么影响，而鹿应该生活得更好。

the trainer was sure that the whale could look after itself, he _______ it into the sea.

It hit me ______ my mother could be the proper person to persuade dad to change his mind.[ ]

Food safety has become a social focus now.—That’s why laws are made to crimes on food.