South Dakota DPS Permit Practice Test 2026：第7套练习测试

South Dakota DPS Permit Practice Test 练习测试第7套（共8套）：再练25道题，附答案和解释。

驾驶
南达科他州
205道题
核对于2026年10月10日

第1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2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3题，共25题
When is the road often most slippery in the rain?
- In the first minutes after rain starts
- Just after the rain stops and the sun comes out
- After it has rained for many hours
- Only at night
显示答案
答案: A. In the first minutes after rain starts
When rain begins, it mixes with oil and dirt on the road and makes a slick film. Slow down right away.
第4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5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6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7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8题，共25题
What does a flashing yellow traffic light mean?
- Speed up before the light turns red
- Slow down and go through with caution
- Stop and wait for a green light
- The signal is broken, so treat it as an all-way stop
显示答案
答案: B. Slow down and go through with caution
A flashing yellow light is a warning. You may go, but slow down and watch for traffic and pedestrians.
第9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10题，共25题
Another car is passing you on a two-lane road. What should you do?
- Stay centered in your lane and slow down slightly if needed
- Move toward the center line
- Speed up so the other car cannot pass
- Brake hard
显示答案
答案: A. Stay centered in your lane and slow down slightly if needed
When someone passes you, keep to your lane and ease off slightly so they can get back in safely. Never speed up.
第11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12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13题，共25题
Zones 1 and 2 are this car's blind spots. Before you change lanes, how should you check them?
- Honk and move over slowly
- Turn your head and look over your shoulder
- Use only the inside rearview mirror
- Use only the side mirrors
显示答案
答案: B. Turn your head and look over your shoulder
Mirrors do not show every area beside you. Look over your shoulder to check the blind spot before you move.
第14题，共25题
What does a steady yellow light mean?
- Speed up to get through before it turns red
- The light is about to turn red, so stop if you can do it safely
- Only pedestrians may move now
- The intersection is clear, so go
显示答案
答案: B. The light is about to turn red, so stop if you can do it safely
A steady yellow light warns that the green is ending and red is coming. Stop if you can do so safely.
第15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16题，共25题
Orange signs like this one are used for:
- Parks and recreation areas
- School zones
- Work zones and other temporary traffic control
- Motorist services
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.
第17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18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19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20题，共25题
In which direction does traffic travel in a US roundabout?
- Toward the center island
- Counterclockwise
- Clockwise
- Either direction
显示答案
答案: B. Counterclockwise
In the United States, traffic in a roundabout moves counterclockwise, to the right of the center island.
第21题，共25题
What does this sign mean?
- A toll road
- A US highway route
- A route on the Interstate highway system
- A state park road
显示答案
答案: C. A route on the Interstate highway system
The red, white and blue shield marks an Interstate highway route.
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
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24题，共25题
A car in the lane next to you has stopped at a crosswalk. What should you do?
- Honk and pass
- Change lanes and speed up
- Stop as well, because a pedestrian may be crossing
- Pass it carefully
显示答案
答案: C. Stop as well, because a pedestrian may be crossing
Never pass a vehicle that has stopped at a crosswalk. A pedestrian you cannot see may be crossing in front of it.
第25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.

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