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

Oregon 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
俄勒冈州
205道题
核对于2026年10月10日

第1题，共25题
A police officer directing traffic waves you through a red light. What should you do?
- Follow the officer's directions
- Turn right instead
- Honk to check that the officer means you
- Stay stopped until the light turns green
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.
第2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3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4题，共25题
You come to a traffic light that is completely dark because of a power outage. What should you do?
- Honk and keep going
- Treat the intersection like an all-way stop
- Yield only to cars on your left
- Drive through if no cars are close
显示答案
答案: B. Treat the intersection like an all-way stop
When a signal is not working, stop as you would at a stop sign, then follow the right-of-way rules.
第5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?
- 0.12%
- 0.15%
- 0.20%
- 0.08%
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.
第6题，共25题
Your car starts to hydroplane. What should you do?
- Turn sharply toward the shoulder
- Brake hard right away
- Speed up to get through the water
- Ease off the gas and keep the wheel straight without braking hard
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.
第7题，共25题
What does this sign mean?
- An Interstate highway
- A US highway (US route) number
- A county road
- An exit number
显示答案
答案: B. A US highway (US route) number
The black and white shield marks a numbered US route. These routes often cross several states.
第8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9题，共25题
While you wait to turn left, why should you keep your front wheels pointed straight ahead?
- To keep your tires from wearing out
- So your turn signal keeps working
- So you can turn faster when the way is clear
- So you are not pushed into oncoming traffic if you are hit from behind
显示答案
答案: D. So you are not pushed into oncoming traffic if you are hit from behind
Keep your wheels straight until it is safe to turn. If your wheels are turned and someone hits you from behind, you could be pushed into oncoming cars.
第10题，共25题
Which of these places is unsafe for passing on a two-lane road?
- A flat, open road in daylight with a clear view
- A straight road with a broken yellow line and no oncoming traffic
- A marked passing zone with good visibility
- Near the top of a hill or on a curve where you cannot see ahead
显示答案
答案: D. Near the top of a hill or on a curve where you cannot see ahead
Do not pass near hills or curves where you cannot see oncoming traffic, or near intersections and railroad crossings.
第11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12题，共25题
What does this sign mean?
- Stop here
- The road ends ahead
- A traffic signal is ahead
- A STOP sign is ahead; be ready to stop
显示答案
答案: D. A STOP sign is ahead; be ready to stop
This sign warns of a STOP sign that may be hard to see. Slow down and get ready to stop.
第13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14题，共25题
What does a flashing red traffic light mean?
- The light is about to turn green
- Stop only if other cars are coming
- Stop completely, then go when it is safe
- Slow down and go with care without stopping
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.
第15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16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17题，共25题
What should you do when you see this sign?
- Turn right only on a green light
- Do not turn right; go straight or turn left if allowed
- Yield to vehicles turning right
- Turn right after a full stop
显示答案
答案: B. Do not turn right; go straight or turn left if allowed
The black arrow shows the move and the red circle and slash forbid it. You may not turn right at this intersection.
第18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19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20题，共25题
A pedestrian with a white cane or a guide dog is waiting to cross. What should you do?
- Stop and let the person cross, without honking
- Wave the person across from far away
- Honk so the person knows you are there
- Drive around the person
显示答案
答案: A. Stop and let the person cross, without honking
Pedestrians who use white canes or guide dogs have the right-of-way. Do not honk at a blind pedestrian.
第21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22题，共25题
What is hydroplaning?
- When a tire slowly loses air
- When water gets into your engine
- When your tires ride on a layer of water and lose contact with the road
- When your brakes overheat on a long hill
显示答案
答案: C. When your tires ride on a layer of water and lose contact with the road
At higher speeds on wet roads, tires can ride up on water. You then lose steering and braking control.
第23题，共25题
What does this sign mean?
- A YIELD sign is ahead; be ready to slow down or stop
- No passing
- A railroad crossing is ahead
- Merge into the next lane now
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.
第24题，共25题
Car A is waiting to enter this roundabout. Car B is already in the roundabout. Which car has the right-of-way?
- Whichever car is larger
- Whichever car honks first
- Car B
- Car A
显示答案
答案: C. Car B
Yield to all traffic already in the roundabout, then enter when there is a safe gap.
第25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.

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