填空题：根据材料请回答题：Almost every child, on the first day he sets foot i

根据材料请回答题：
Almost every child, on the first day he sets foot in a school building, is smarter, more (36)______, less afraid of what he doesn't know, better at finding and (37) ______ things out, more confident, resourceful (机敏的), persistent and (38) ______ than he will ever be again in his schooling – or, unless he is very (39) ______ and very lucky, for the rest of his life. Already, by paying close attention to and (40) ______ with the world and people around him, and without any school-type (41) ______ instruction, he has done a task far more difficult, complicated and (42)______ than anything he will be asked to do in school, or than any of his teachers has done for years. He has solved the (43) ______ of language. He has discovered it – babies don't even know that language exists – and (44) ________________________________________________. He has done it by exploring, by experimenting, by developing his own model of the grammar of language, (45) ________________________________________________ until it does work. And while he has been doing this, he has been learning other things as well, (46) ________________________________________________, and many that are more complicated than the ones they do try to teach him.
请在（36）处填上最佳答案。