495 Adding windproof handlebar covers to a motorcycle may lead to what danger?
(A) If not properly secured, it may jam the throttle, leading to the risk of sudden acceleration.
(B) Overtaking vehicles from behind might accidentally catch the handlebar covers, potentially causing a fall.
(C) Both of the above.

491 When an incoming vehicle uses high beam light at night and does not change it to low beam when the two vehicles approach each other, (A)retaliate with high beam light (B)ignore it and use the low beam light (C)honk to warn the person.

492 When passing through muddy and waterlogged areas, and pedestrians are crossing the street, (A)speed through the waterlogged area (B)honk loudly to make them yield (C)slow down so the muddy water won't splash onto the pedestrians.

493 when driving on a country road where people are herding animals across the street, (A)honk loudly to force them to go faster (B)speed up and try to go before the animals start crossing (C)slow down, let them pass first, and then go forward.

494 When a motorist witnesses an accident, (A)leave the scene as soon as possible (B)stay and provide medical assistance, and provide witness account to the police (C)lie and claim that the motorist didn't see anything to avoid lawsuits.

496 The essential body movements for a motorcycle rider on a mountain road is to use the right hand as the main control for the throttle, and maintain the rear wheel force when turning around a curve, (A)move the hips before turning and lean in the same direction as the vehicle (B)relax the left shoulder, elbow and wrist when turning left, and relax the right shoulder, elbow and wrist when turning right (C)all of the above.

497 When taking out the battery, after turning the key to the "OFF" position, the steps should be: (A)remove the negative cable first, and then remove the positive cable (B)remove the positive cable first, and then remove the negative cable (C)the order does not matter.

498 When dusts accumulate in the air filter, it will cause (A)lower horsepower (B)excessive fuel consumption (C)all of the above.

499 When installing windproof gloves on the motorcycle, (A) if it is not fastened onto the handle, it might get stuck in the throttle and sudden unintended acceleration might occur (B)the gloves might get caught by vehicles passing from behind and cause accidents (C)all of the above.

500 When a motorcycle rider accidentally rides onto the freeway, which of the following responses is incorrect? (A)move to the shoulder temporarily and call for help (B)try to keep up with the speed limit, remain on the right lane, and get off at the next exit (C)ride back on the shoulder against the traffic to return to and exit through the original interchange.

51. 廠房設置之排油煙機屬下列何種通風裝置? (A) 排氣煙囪 (B) 吹吸型換氣裝置 (C) 局部排氣 (D) 整體換氣裝置