1. tracksuit, thirst, sneakers, warhead
2. apron, toque, oven mitten
2 задание
1. The love of money and the love of learning rarely meet. - extra
2. A little knowledge is a dangerous thing.
3. Knowledge without practice makes half but an artist.
4. Zeal without knowledge is a runaway horse.
I think the first sentence is extra, because it doesn't contain specific things about knowledge that others do. For example: a little knowledge, lack of practice, and zeal.