Idaho DMV Permit Practice Test 2026：第3套练习测试

Idaho DMV Permit Practice Test 练习测试第3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

第1题，共25题
Why should you never drive beside a motorcycle in the same lane?
- Motorcycles must ride on the shoulder
- A motorcyclist has the right to use the full width of the lane
- Motorcycles are always slower than cars
- It is fine if the rider waves you by
显示答案
答案: B. A motorcyclist has the right to use the full width of the lane
A motorcycle is entitled to a full lane, just like a car. Sharing its lane is dangerous and not allowed.
第2题，共25题
How far should you sit from the air bag in the steering wheel?
- At least 3 feet
- As close as you can
- At least 10 inches
- At least 2 inches
显示答案
答案: C. At least 10 inches
Sit at least 10 inches from the air bag cover, as long as you can still control the vehicle safely.
第3题，共25题
A driver is tailgating you. What is the safest thing to do?
- Brake suddenly to warn the driver
- Stop on the shoulder right away
- Keep a steady speed, leave extra space ahead, and let the driver pass
- Speed up to get away
显示答案
答案: C. Keep a steady speed, leave extra space ahead, and let the driver pass
Do not react with sudden braking. Keep extra space in front of you so you can stop gently, and let the tailgater pass when possible.
第4题，共25题
You cannot see the truck driver's face in the truck's side mirror. What does that mean?
- You are a safe distance away
- The truck is about to stop
- The truck driver probably cannot see you
- The truck driver can see you clearly
显示答案
答案: C. The truck driver probably cannot see you
If you can't see the driver in the truck's side mirror, assume the driver can't see you.
第5题，共25题
Your car breaks down on a highway. What should you do first?
- Turn on your hazard lights and pull as far off the road as you can
- Keep the lights off to save the battery
- Walk along the highway for help
- Stop in your lane and get out
显示答案
答案: A. Turn on your hazard lights and pull as far off the road as you can
Use your hazard flashers and get your car off the road if possible. Avoid stopping just over a hill or around a curve.
第6题，共25题
You are involved in a minor crash. What must you do?
- Wait in your car until the other driver leaves
- Stop at the scene
- Drive home and call your insurance company
- Leave if the damage looks small
显示答案
答案: B. Stop at the scene
If you are in a crash, you must stop, no matter how small the damage is.
第7题，共25题
What does this sign mean?
- The no-passing area has ended; you may pass when it is safe
- You must pass slow vehicles
- You may pass only on the right
- Passing is not allowed
显示答案
答案: A. The no-passing area has ended; you may pass when it is safe
This sign marks the end of a no-passing area. Pass only when the road ahead is clear and it is safe.
第8题，共25题
Car A wants to turn left on a green light. Car B is coming from the other direction, going straight. Which car should go first?
- Car B
- Car A, if its turn signal is on
- Car A
- Whichever car is faster
显示答案
答案: A. Car B
When turning left, you must yield to oncoming traffic that is close enough to be a danger.
第9题，共25题
Only one kind of sign has this shape. What is the shape called?
- Diamond
- Octagon (8 sides)
- Hexagon (6 sides)
- Pentagon (5 sides)
显示答案
答案: B. Octagon (8 sides)
The eight-sided octagon is used only for STOP signs, so you can recognize it even from behind or when it is covered with snow.
第10题，共25题
Which numbered marking separates lanes going in the same direction and allows lane changes when it is safe?
- Marking 5
- Marking 6
- Marking 2
- Marking 1
显示答案
答案: A. Marking 5
A broken white line (marking 5) separates lanes moving the same way. You may change lanes across it when safe.
第11题，共25题
What does this sign mean?
- The road ahead becomes a divided highway; keep right
- The divided highway ends
- A narrow bridge is ahead
- A crossroad is ahead
显示答案
答案: A. The road ahead becomes a divided highway; keep right
A median or barrier will separate the two directions of traffic. Keep to the right of it.
第12题，共25题
What does this sign mean?
- A highway patrol station is ahead
- A helicopter landing pad is ahead
- A hospital is nearby
- A hotel is nearby
显示答案
答案: C. A hospital is nearby
Blue signs show services for drivers, such as hospitals, gas, food and lodging.
第13题，共25题
In a state where marijuana is legal, may you drive after using it?
- Yes, if you have a medical card
- Yes, but only during the day
- No, driving while impaired by any drug is illegal
- Yes, as long as you feel fine
显示答案
答案: C. No, driving while impaired by any drug is illegal
Impairment from marijuana is treated like impairment from any other drug. Do not use it before driving.
第14题，共25题
A school bus has stopped on this two-lane road with its red lights flashing and its stop arm out. Which cars must stop?
- Both Car 1 and Car 2
- Only Car 2, facing the bus
- Neither car, if no child is in the road
- Only Car 1, behind the bus
显示答案
答案: A. Both Car 1 and Car 2
On a two-lane road, traffic from both directions must stop for a school bus with flashing red lights.
第15题，共25题
What does this sign mean?
- You must not drive into this road from where you are
- The road is closed to trucks only
- Stop, then enter when the way is clear
- One-way street; turn here
显示答案
答案: A. You must not drive into this road from where you are
This sign is posted where you would be going the wrong way, such as a freeway exit ramp or the end of a one-way street. Do not enter.
第16题，共25题
What is the center lane shown here used for?
- Driving for long distances in heavy traffic
- Left turns by drivers from both directions
- Passing slower vehicles
- Parking and loading
显示答案
答案: B. Left turns by drivers from both directions
A two-way left-turn lane is shared by drivers from both directions to make left turns. It is not a travel lane or passing lane.
第17题，共25题
Which drinks contain about the same amount of alcohol?
- 1.5 ounces of liquor and 12 ounces of wine
- 12 ounces of beer, 5 ounces of wine and 1.5 ounces of liquor
- 5 ounces of beer and 12 ounces of liquor
- 12 ounces of beer and 12 ounces of wine
显示答案
答案: B. 12 ounces of beer, 5 ounces of wine and 1.5 ounces of liquor
A regular beer, a glass of wine and a shot of liquor each have about the same amount of alcohol. A drink is a drink.
第18题，共25题
At a stop sign with a white stop line painted across your lane, where should you stop?
- Before the stop line
- Inside the crosswalk
- With your front wheels past the line
- Past the line, at the edge of the cross street
显示答案
答案: A. Before the stop line
A stop line shows where you must stop. If there is no stop line, stop before the crosswalk.
第19题，共25题
What should you do when you see this sign?
- Pass the car in front before you reach the crosswalk
- Honk to warn the children
- Slow down, watch for children, and stop for anyone in the crosswalk
- Speed up to get past the crosswalk quickly
显示答案
答案: C. Slow down, watch for children, and stop for anyone in the crosswalk
The arrow points to the school crosswalk. Stop for children in the crosswalk and follow any crossing guard. Never pass a vehicle stopped for pedestrians.
第20题，共25题
In most states, how far before a turn should you start signaling?
- At least 10 feet
- Only as you begin to turn
- At least half a mile
- At least 100 feet
显示答案
答案: D. At least 100 feet
Most state laws require you to signal at least 100 feet before you turn. Check your state handbook in case a longer distance applies.
第21题，共25题
You are entering a freeway from an on-ramp, as shown. What should you do in the acceleration lane?
- Merge right away without checking traffic
- Drive slowly so freeway drivers notice you
- Speed up to match freeway traffic, then merge into a safe gap
- Stop at the end of the ramp and wait for a big gap
显示答案
答案: C. Speed up to match freeway traffic, then merge into a safe gap
Use the acceleration lane to reach the speed of traffic, check mirrors and your blind spot, signal, and merge into a gap.
第22题，共25题
What does this sign mean?
- A four-way intersection
- A railroad crossing; yield to any train
- You must always stop here, even when no train is near
- A hospital is nearby
显示答案
答案: B. A railroad crossing; yield to any train
Treat a crossbuck like a yield sign. Slow down, look and listen both ways, and stop if a train is coming. Trains always have the right-of-way.
第23题，共25题
Must you yield to a pedestrian crossing at an intersection that has no painted crosswalk lines?
- Only if a crossing guard is there
- Only in school zones
- Yes, most intersections have unmarked crosswalks where pedestrians have the right-of-way
- No, only painted crosswalks count
显示答案
答案: C. Yes, most intersections have unmarked crosswalks where pedestrians have the right-of-way
Pedestrians have the right-of-way in both marked and unmarked crosswalks.
第24题，共25题
An ambulance (1) with flashing lights and a siren is coming. What should drivers like Car 2 and Car 3 do?
- Pull over to the right edge of the road and stop until it passes
- Stop right where they are in their lanes
- Speed up to stay ahead of it
- Move toward the center line
显示答案
答案: A. Pull over to the right edge of the road and stop until it passes
Drivers going either way on a two-way road must pull to the right edge and stop for an emergency vehicle using lights and a siren.
第25题，共25题
How can you check that you are not following another vehicle too closely?
- Watch for the brake lights of the vehicle ahead
- Look at your speedometer
- Count how many car lengths you see
- When the vehicle ahead passes a fixed object, count the seconds until you reach it
显示答案
答案: D. When the vehicle ahead passes a fixed object, count the seconds until you reach it
Pick a fixed object such as a sign. Start counting when the car ahead passes it; if you reach it before you finish the count, you are too close.

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