Первое, второе и третье задание

Объяснение:

1.1 fill out

1.2 find out

1.3 fall out

1.4 work out

1.5 pass out

1.6 point out

2.1 to

2.2 to

2.3 on

2.4 with

2.5 into (?)

3.1 memory palace

3.2 nerve impulses

3.3 brain abilities

3.4 network of nerve fibres

3.5 cognitive disorder

3.6 infrared switch