Idaho DMV Permit Practice Test 2026：第8套练习测试

Idaho DMV Permit Practice Test 练习测试第8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
What does this sign mean?
- You may not turn while the light is red; wait for green
- No turns are allowed at any time
- There is a red-light camera ahead
- You may turn right on red after stopping
显示答案
答案: A. You may not turn while the light is red; wait for green
In most places you may turn right on red after a full stop. This sign takes that choice away, so wait for a green light.
第2题，共25题
Car A and Car B stop at this four-way stop at the same time. Which car should go first?
- Both cars may go at once
- Car B
- Whichever car starts moving first
- Car A
显示答案
答案: B. Car B
When two drivers stop at the same time, the driver on the left yields to the driver on the right. Car B is on Car A's right, so Car B goes first.
第3题，共25题
What does this sign mean?
- Keep left
- Left turns only
- Sharp curve to the left
- You may not turn left here
显示答案
答案: D. You may not turn left here
The arrow shows a left turn and the red circle and slash ban it. Go straight or turn right if allowed.
第4题，共25题
Which signs use this round shape?
- Hospital signs
- Railroad crossing advance warning signs
- Speed limit signs
- School zone signs
显示答案
答案: B. Railroad crossing advance warning signs
In the United States the circle shape is used for the railroad advance warning sign.
第5题，共25题
You are driving out of a driveway or parking lot onto a street. Who must you yield to?
- Only pedestrians
- No one, if you use your turn signal
- Pedestrians on the sidewalk and all traffic on the street
- Only cars coming from your left
显示答案
答案: C. Pedestrians on the sidewalk and all traffic on the street
A driver entering a road from a driveway or private road must stop and yield to pedestrians and to traffic on the road.
第6题，共25题
What does this sign mean?
- Road work is ahead; slow down and watch for workers and equipment
- Workers have finished for the day
- Take the detour ahead
- The road is closed ahead
显示答案
答案: A. Road work is ahead; slow down and watch for workers and equipment
Slow down, stay alert, and follow work zone signs and flaggers.
第7题，共25题
Total stopping distance, as shown, is made up of which two parts?
- The distance you travel while reacting, plus the braking distance
- The braking distance, counted twice
- The reaction distance plus the length of your car
- The distance to the car ahead plus the braking distance
显示答案
答案: A. The distance you travel while reacting, plus the braking distance
Part 1 is how far you travel while you see the danger and move your foot to the brake. Part 2 is how far you travel after braking until you stop.
第8题，共25题
The gates at a railroad crossing are coming down. What should you do?
- Speed up and go under the gates
- Stop on the tracks until the gates rise
- Stop and wait until the gates are up and the lights stop flashing
- Drive around the gates if you cannot see a train
显示答案
答案: C. Stop and wait until the gates are up and the lights stop flashing
Never drive around or under lowered or lowering gates. Wait until they are fully up.
第9题，共25题
What does the red circle with a slash on this sign mean?
- The action shown inside it is not allowed
- The rule applies only at night
- There is danger ahead
- The action shown is allowed
显示答案
答案: A. The action shown inside it is not allowed
On US regulatory signs, red is used for STOP, YIELD and the circle and slash that ban an action.
第10题，共25题
An angry driver makes rude gestures and shouts at you. What should you do?
- Stay calm, avoid eye contact, and do not respond
- Speed up to get in front of the driver
- Brake suddenly to teach the driver a lesson
- Gesture back
显示答案
答案: A. Stay calm, avoid eye contact, and do not respond
Do not challenge an aggressive driver. Stay calm, ignore the gestures, and give the driver space.
第11题，共25题
On a freeway with two or more lanes going your way, what is the left lane mainly for?
- Stopping in an emergency
- Passing
- Slow vehicles
- Trucks only
显示答案
答案: B. Passing
Keep right except to pass. If many vehicles pass you on the right, move right and let them go by on the left.
第12题，共25题
What does this sign mean?
- Trucks cross the road ahead
- An uphill passing lane is ahead
- A steep downhill grade is ahead; slow down and use a lower gear
- A truck stop is ahead
显示答案
答案: C. A steep downhill grade is ahead; slow down and use a lower gear
On a steep downgrade, slow down before the hill and shift to a lower gear so your brakes do not overheat.
第13题，共25题
Your brake pedal suddenly sinks to the floor. What should you try first?
- Turn off the engine
- Shift into park
- Open the door to drag your foot
- Pump the brake pedal to build up pressure
显示答案
答案: D. Pump the brake pedal to build up pressure
Pumping the pedal may build enough pressure to stop. If that fails, use the parking brake slowly and shift to a lower gear.
第14题，共25题
At this four-way stop, the numbers show the order in which the cars stopped. Which car may go first?
- Car 2
- Car 3
- Car 1
- Car 4
显示答案
答案: C. Car 1
At an all-way stop, the first vehicle to come to a full stop is the first to go.
第15题，共25题
Where is this pennant-shaped sign placed?
- On the right side of the road
- Only on freeway on-ramps
- Over the middle of the road
- On the left side of the road
显示答案
答案: D. On the left side of the road
The yellow pennant is posted on the left side of two-lane roads, where you look before passing. It marks the start of a no-passing zone.
第16题，共25题
What do green signs like this one show?
- Rules you must obey
- Places to get gas and food
- Directions and distances to places
- Road work ahead
显示答案
答案: C. Directions and distances to places
Green guide signs show routes, directions and distances in miles.
第17题，共25题
Why should you never try to beat a train to a crossing?
- A train cannot stop quickly; at 60 mph it may need a mile or more
- Trains must yield to cars at crossings
- Train engineers can steer around cars
- Trains always slow down at crossings
显示答案
答案: A. A train cannot stop quickly; at 60 mph it may need a mile or more
Trains are very heavy and need a long distance to stop. A train at 60 mph may take a mile or more.
第18题，共25题
What does this sign mean?
- The left lane is closed ahead
- If you are in the left lane, you must turn left
- Left turns are not allowed
- You may turn left from any lane
显示答案
答案: B. If you are in the left lane, you must turn left
Get into the correct lane early. If you are in the left lane, you have to turn left at the intersection.
第19题，共25题
On a divided highway, what color is the edge line on the left side of your lanes?
- Red
- White
- Yellow
- Blue
显示答案
答案: C. Yellow
Yellow marks the left edge of divided highways, one-way streets and ramps. White marks the right edge.
第20题，共25题
You see this sign while driving in the rain. What should you do?
- Pump your brakes often to dry them
- Drive on the shoulder
- Speed up to get past quickly
- Slow down and avoid sudden braking or sharp turns
显示答案
答案: D. Slow down and avoid sudden braking or sharp turns
Wet roads can make your tires lose grip. Slow down, leave more space, and steer and brake gently.
第21题，共25题
Which of these is a warning sign that you are too sleepy to drive?
- Checking your mirrors often
- Wanting to change the radio station
- Feeling hungry
- Drifting over lane lines or hitting rumble strips
显示答案
答案: D. Drifting over lane lines or hitting rumble strips
Drifting from your lane or hitting rumble strips means you are drowsy. Stop in a safe place and rest.
第22题，共25题
When is it right to use your horn?
- To warn others of danger or to help avoid a crash
- To greet friends as you drive by
- To show you are angry
- To tell a slow driver to hurry up
显示答案
答案: A. To warn others of danger or to help avoid a crash
Use your horn to let others know you are there or to warn them of a hazard, not to express anger.
第23题，共25题
A pedestrian is crossing in the crosswalk ahead of you, as shown. What must you do?
- Stop and wait until the pedestrian has safely crossed
- Honk so the pedestrian moves faster
- Flash your lights so the pedestrian stops
- Drive slowly around the pedestrian
显示答案
答案: A. Stop and wait until the pedestrian has safely crossed
Drivers must yield to pedestrians in crosswalks and wait until they can finish crossing safely.
第24题，共25题
What does a five-sided (pentagon) sign like this warn you about?
- A no-passing zone
- A railroad crossing
- Road work
- A school zone or school crossing
显示答案
答案: D. A school zone or school crossing
The pentagon shape is used for school signs, so you know to watch for children.
第25题，共25题
What does this sign mean?
- Stop only if other vehicles are near
- Come to a full stop, then go when it is safe
- Slow down and go if no one is coming
- Stop only when a police officer is present
显示答案
答案: B. Come to a full stop, then go when it is safe
A red octagon always means stop. Stop completely, yield to traffic and pedestrians, then go when it is safe.

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