Idaho DMV Permit Practice Test 2026：第5套练习测试

Idaho DMV Permit Practice Test 练习测试第5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?
- 55 mph is the suggested speed for a curve
- Only trucks must keep to 55 mph
- You must drive at least 55 mph
- 55 mph is the fastest you may legally drive here in good conditions
显示答案
答案: D. 55 mph is the fastest you may legally drive here in good conditions
A white speed limit sign shows the maximum legal speed. In bad weather or heavy traffic you must drive slower.
第2题，共25题
You park facing uphill next to a curb. Which way should you turn your front wheels?
- Toward the curb
- Away from the curb, so the tire rests against the curb if the car rolls back
- It does not matter if the parking brake is set
- Straight ahead
显示答案
答案: B. Away from the curb, so the tire rests against the curb if the car rolls back
Uphill with a curb, turn your wheels toward the center of the road and let the front tire gently touch the curb.
第3题，共25题
What does a white diamond painted in a lane mean?
- The lane is for trucks only
- The lane is reserved for buses, carpools or other special vehicles
- There is a railroad crossing ahead
- The lane ends soon
显示答案
答案: B. The lane is reserved for buses, carpools or other special vehicles
A diamond marks a high-occupancy vehicle (HOV) or other reserved lane. Signs tell you who may use it and when.
第4题，共25题
At night, a car is coming toward you, as shown. When should you switch from high beams to low beams?
- Only if the other driver flashes the lights
- When it is within 50 feet
- When it is within 500 feet
- When it is within 2 miles
显示答案
答案: C. When it is within 500 feet
State laws generally require low beams within 500 feet of an oncoming vehicle, so you do not blind the other driver.
第5题，共25题
The headlights of an oncoming car are blinding you. Where should you look?
- Straight into the headlights
- Down at your dashboard
- At the center line
- Toward the right edge of your lane
显示答案
答案: D. Toward the right edge of your lane
Look toward the right edge of the road until the car passes. Do not stare into the lights.
第6题，共25题
You reach this sign. You cannot see a train, but you hear a train horn. What should you do?
- Drive onto the tracks to get a better look
- Stop before the tracks and wait until the train has passed
- Honk your horn and keep going
- Cross quickly before the train arrives
显示答案
答案: B. Stop before the tracks and wait until the train has passed
Never try to beat a train. Trains cannot stop quickly. Stop before the tracks and cross only when you are sure it is safe.
第7题，共25题
What does this sign mean?
- One sharp curve to the right is ahead
- A series of curves is ahead
- The road is slippery ahead
- Lanes shift ahead
显示答案
答案: B. A series of curves is ahead
The road has three or more curves in a row. Slow down and stay in your lane.
第8题，共25题
Which of these makes your stopping distance longer?
- A wet or icy road
- Driving more slowly
- Tires with deep tread
- Paying full attention
显示答案
答案: A. A wet or icy road
Wet, snowy and icy roads give your tires less grip, so it takes longer to stop. Slow down and leave more space.
第9题，共25题
At a four-way stop, you and a car facing you stop at the same time. You want to turn left and the other driver is going straight. Who should go first?
- You, because you signaled first
- You, because left turns go first at stop signs
- The driver going straight
- Whoever starts moving first
显示答案
答案: C. The driver going straight
A driver turning left must yield to oncoming traffic that is going straight or turning right.
第10题，共25题
What does this sign mean?
- A bike repair shop is ahead
- Bicycles may cross or enter the road ahead
- The bike lane ends and bicycles must leave the road
- Bicycles are not allowed
显示答案
答案: B. Bicycles may cross or enter the road ahead
Watch for people on bicycles crossing or riding on the road. Slow down and give them plenty of room.
第11题，共25题
When may you pass another vehicle on the right?
- When the vehicle ahead is turning left and there is room to pass safely
- When you can use the shoulder
- Whenever the vehicle ahead is slow
- Only on a two-lane road
显示答案
答案: A. When the vehicle ahead is turning left and there is room to pass safely
You may pass on the right only when it is safe, such as when the car ahead is turning left or on a road with two or more lanes your way. Never use the shoulder.
第12题，共25题
What does this sign mean?
- The bridge ahead is narrower than the road
- The bridge ahead is closed
- A drawbridge is ahead
- The road ends at a river
显示答案
答案: A. The bridge ahead is narrower than the road
There is less room on the bridge. Slow down, keep right and watch for oncoming traffic.
第13题，共25题
What does this sign mean?
- The signal ahead is broken
- There is a pedestrian signal only
- There is a traffic signal ahead
- A railroad signal is ahead
显示答案
答案: C. There is a traffic signal ahead
Slow down and be ready to stop for a red light. This sign is used where the signal is hard to see.
第14题，共25题
A driver holds the left arm out the window, bent downward. What does this hand signal mean?
- Left turn
- Right turn
- Slowing down or stopping
- Go ahead and pass
显示答案
答案: C. Slowing down or stopping
The left arm bent downward means the driver is slowing down or stopping.
第15题，共25题
Car 1 turns left from a two-way street onto another two-way street. Where should it finish the turn?
- In the far right lane
- On the left side of the center line
- In the lane just to the right of the center line
- In whatever lane has the least traffic
显示答案
答案: C. In the lane just to the right of the center line
Start from the lane closest to the center and end in the lane just to the right of the new road's center line.
第16题，共25题
What does this sign mean?
- Traffic joining from the side gets its own lane, so it does not need to merge
- Two-way traffic ahead
- The road narrows ahead
- You must merge left now
显示答案
答案: A. Traffic joining from the side gets its own lane, so it does not need to merge
The entering traffic gets a new lane. Still watch for drivers who change lanes.
第17题，共25题
Can cold or allergy medicine you buy without a prescription affect your driving?
- No, only prescription drugs affect driving
- Only if you take it with food
- No, these medicines are always safe
- Yes, some can make you drowsy, so read the label
显示答案
答案: D. Yes, some can make you drowsy, so read the label
Many over-the-counter medicines cause drowsiness. Read the warning label and ask a pharmacist if you are unsure.
第18题，共25题
What does this sign mean?
- Trucks must use this route
- One-way street to the right
- The road ahead turns right
- Follow this route because the usual road is closed
显示答案
答案: D. Follow this route because the usual road is closed
A detour takes you around a closed road. Follow the detour signs until you are back on your route.
第19题，共25题
When is it right to use your high-beam headlights?
- On dark, open roads when no vehicles are close ahead or coming toward you
- In fog
- In busy city traffic
- When following another car closely
显示答案
答案: A. On dark, open roads when no vehicles are close ahead or coming toward you
High beams help you see farther on dark roads, but dim them for oncoming traffic and when following another vehicle.
第20题，共25题
What does this sign mean?
- You may pass if you are careful
- You must not pass other vehicles on this part of the road
- Slower traffic must keep right
- Pass only on the right
显示答案
答案: B. You must not pass other vehicles on this part of the road
Do not pass until a sign or the road markings show that the no-passing area has ended.
第21题，共25题
The speed limit is 55 mph, but there is thick fog and the road is slippery. How fast should you drive?
- Exactly 10 mph under the limit
- As fast as the cars around you
- Slower than 55 mph, at a speed that is safe for the conditions
- 55 mph, because that is the limit
显示答案
答案: C. Slower than 55 mph, at a speed that is safe for the conditions
The posted limit is the top speed for good conditions. You can be ticketed for driving too fast for conditions even below the limit.
第22题，共25题
Which numbered marking separates traffic going in opposite directions and allows drivers on both sides to pass when it is safe?
- Marking 6
- Marking 3
- Marking 5
- Marking 2
显示答案
答案: D. Marking 2
A broken yellow center line (marking 2) separates opposite directions and allows passing from either side when the way is clear.
第23题，共25题
Signs with this fluorescent yellow-green color are used for:
- Schools, pedestrians and bicycles
- Gas, food and lodging
- Road work zones
- Railroad crossings
显示答案
答案: A. Schools, pedestrians and bicycles
Fluorescent yellow-green is used for school, pedestrian and bicycle signs because it is easy to see.
第24题，共25题
What does this sign mean?
- Heavy vehicles must keep right
- The lane is closed
- Only vehicles with two or more people may use this lane
- Trucks only
显示答案
答案: C. Only vehicles with two or more people may use this lane
HOV means high-occupancy vehicle. 2+ means at least two people, counting the driver.
第25题，共25题
Someone is hurt in a crash. When should you move the injured person?
- Always, to make them comfortable
- Only if there is a danger such as fire
- Right away, to check for injuries
- Only to drive them to the hospital yourself
显示答案
答案: B. Only if there is a danger such as fire
Moving an injured person can make injuries worse. Move them only if they face a life-threatening danger, and call for help.

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