track - a path, often circular, used for races, gears - part of a bicycle that controls the speed of the weels, stunts - tricks or difficult jumps on a bike, helmet - a hard hat that protects your head, guards - things that you wear to protect your body when playing sports, succeed - achieve something you want to do, techniques - ways of doing something well, benefit - an advantage from doing something, get hurt - feel pain because of an accident, advice - something someone tells you to help you,

Prepare 4. Unit 4. Reading vocabulary

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