UNIT 3

Grammar 

The passive -with be: Hormones are released by the brain.
                    -with get/have (have something done): I have had my hair cut (someone have cut my                             hair).
                    -it is said/known/think...that: It is said that solar powered will desapear.

Reflexive pronouns: myself, yourself, himself, hrself, itself, ourselves, yourselves, themselves, each other/one another.

Conjunctions: either...or, neither...nor, both...and, not only...but.

Vocabulary

Technology: wireless, computer-generated, energy-saving, high-tech, sustainable.
Energy on the move: convert, store.
Verbs about the "Brain power": boost, crash, perform, release, rest.
Extra vocabulary: cogs, mad search, rush hour, rush out,ngreener, rather, tiles.