576.When turning at an intersection, how many meters in advance should the turnsignal be used to alert other road users? (A) 100 meters (B) 30 meters (C) 10meters.

577.When a motorcycle approaches an intersection and intends to turn, it shouldfollow the regulations of signs or road markings. If there are no signs ormarkings, and the inner lane has a no-motorcycle sign or marking, the ridershould: (A) make a two-stage left turn (B) turn left from the inner lane (C) turnleft from another lane.