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Idaho DMV Permit Practice Test 2026：第2套练习测试

Idaho DMV Permit Practice Test 练习测试第2套（共8套）：再练25道题，附答案和解释。

  • 驾驶
  • 爱达荷州
  • 205道题
  • 核对于2026年10月10日

  1. 第1题，共25题

    Orange signs like this one are used for:
    ROADWORKAHEAD
    显示答案

    答案: C. Work zones and other temporary traffic control

    Orange is the color for work zones. Expect lane changes, lower speeds and workers on or near the road.

  2. 第2题，共25题

    At night you see red reflectors on the road facing you. What does this most likely mean?
    显示答案

    答案: B. You are going the wrong way on a one-way road or ramp

    Red raised pavement markers face drivers who are going the wrong way on a one-way road or ramp. Turn around safely right away.

  3. 第3题，共25题

    When should you leave more than your normal following distance?
    显示答案

    答案: B. In bad weather or when following a large truck

    Add more space in rain, snow or fog, and behind large trucks that block your view.

  4. 第4题，共25题

    An emergency vehicle (1) is stopped on the shoulder with its lights flashing. What should you do in Car 2?
    123
    显示答案

    答案: D. Move over one lane if it is safe; if not, slow down

    Move Over laws require you to change to a lane away from a stopped emergency vehicle when safe, or slow down if you cannot.

  5. 第5题，共25题

    What color are the signs that warn of road work ahead?
    显示答案

    答案: D. Orange

    Orange signs are used for work zones and other temporary traffic control. Slow down and watch for workers.

  6. 第6题，共25题

    What should you do when you see this sign?
    显示答案

    答案: C. Get ready to stop or turn; your road ends and you must turn left or right

    The T shape shows that your road ends at a cross street. Slow down and be ready to yield or stop before you turn.

  7. 第7题，共25题

    You feel sleepy while driving. What is the safest choice?
    显示答案

    答案: D. Pull over in a safe place and rest or take a short nap

    Tricks like a cold window or loud music do not work. Stop and rest; only sleep cures drowsiness.

  8. 第8题，共25题

    What does this sign mean?
    RR
    显示答案

    答案: B. A railroad crossing is ahead

    This round yellow sign is placed before a railroad crossing. Slow down, look and listen, and be ready to stop.

  9. 第9题，共25题

    A driver holds the left arm out the window, bent upward at the elbow. What does this hand signal mean?
    显示答案

    答案: C. Right turn

    The left arm bent upward means a right turn.

  10. 第10题，共25题

    A police officer directing traffic waves you through a red light. What should you do?
    显示答案

    答案: A. Follow the officer's directions

    Directions from a police officer directing traffic override traffic lights, signs and pavement markings.

  11. 第11题，共25题

    What does a flashing red traffic light mean?
    显示答案

    答案: C. Stop completely, then go when it is safe

    A flashing red light means the same as a stop sign: come to a full stop, then go when the way is clear.

  12. 第12题，共25题

    What does it mean to overdrive your headlights?
    显示答案

    答案: B. Driving so fast that you cannot stop within the distance your headlights show

    At night, drive at a speed that lets you stop within the area your headlights light up.

  13. 第13题，共25题

    What does the yellow diamond shape of this sign tell you?
    显示答案

    答案: C. It warns of a hazard or change in the road ahead

    Diamond-shaped signs are warning signs. Slow down and get ready for what the symbol shows.

  14. 第14题，共25题

    In almost every state, an adult driver age 21 or older is breaking the law if their blood alcohol concentration (BAC) is at or above what level?
    显示答案

    答案: D. 0.08%

    It is illegal in every state except Utah to drive with a BAC of 0.08% or higher. Utah's limit is 0.05%, and stricter limits apply to younger and commercial drivers.

  15. 第15题，共25题

    Your car starts to hydroplane. What should you do?
    显示答案

    答案: D. Ease off the gas and keep the wheel straight without braking hard

    Slowly take your foot off the gas and hold the wheel steady until the tires grip again. Do not use the brakes hard.

  16. 第16题，共25题

    You park facing downhill next to a curb. Which way should you turn your front wheels?
    123
    显示答案

    答案: A. Toward the curb

    When parking downhill, turn your wheels into the curb so the car rolls into it, not into the street.

  17. 第17题，共25题

    What does this sign mean?
    显示答案

    答案: D. A sharp turn to the right is ahead; slow down a lot

    A sharp turn needs a much lower speed than a gentle curve. Look for a yellow speed plate under the sign.

  18. 第18题，共25题

    What does this sign mean?
    RESERVEDPARKING
    显示答案

    答案: D. Parking only for vehicles with a valid disability placard or license plate

    Do not park in these spaces unless your vehicle displays a valid disability placard or plate. You can be fined.

  19. 第19题，共25题

    Which headlights should you use in fog?
    显示答案

    答案: A. Low beams

    High beams reflect off fog and cause glare. Low beams help you see and help others see you.

  20. 第20题，共25题

    Why should you avoid making a U-turn near the top of a hill or on a curve?
    显示答案

    答案: D. Other drivers may not see you in time to stop

    U-turns are unsafe where other drivers cannot see your vehicle from far away, such as near hilltops and curves.

  21. 第21题，共25题

    Your car stalls on railroad tracks and a train is coming. What should you do?
    显示答案

    答案: D. Get everyone out and walk away from the tracks at an angle toward the train

    Get out right away. Moving toward the train at an angle keeps you away from flying debris, which spreads in the direction the train is going.

  22. 第22题，共25题

    What does this sign mean?
    显示答案

    答案: A. A YIELD sign is ahead; be ready to slow down or stop

    Slow down so you can yield to traffic at the YIELD sign ahead.

  23. 第23题，共25题

    Your gas pedal sticks while you are driving. What should you do?
    显示答案

    答案: C. Shift to neutral, brake, and pull off the road when it is safe

    Shifting to neutral cuts power to the wheels. Turning off the ignition could lock the steering.

  24. 第24题，共25题

    You hit a parked car and the owner is not around. What should you do?
    显示答案

    答案: C. Try to find the owner, or leave your information and notify the police

    If you damage an unattended car or property, you must try to find the owner or report it to the police.

  25. 第25题，共25题

    If you double your speed, about how much longer does it take to stop once you brake?
    显示答案

    答案: C. About four times as far

    Braking distance grows with the square of speed, so doubling your speed makes it about four times longer.

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