Illinois Permit Practice Test 2026：第4套练习测试

Illinois Permit Practice Test 练习测试第4套（共8套）：再练25道题，附答案和解释。

驾驶
伊利诺伊州
205道题
核对于2026年10月10日

第1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2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
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5题，共25题
As you get close to your exit from a roundabout, what should you do?
- Turn on your right turn signal and exit
- Go around once more to check traffic
- Stop inside the roundabout before exiting
- Turn on your left turn signal and exit
显示答案
答案: A. Turn on your right turn signal and exit
Signal right as you approach your exit so others know you are leaving the roundabout.
第6题，共25题
A front tire blows out while you are driving on the highway. What should you do?
- Hold the wheel tightly and slowly ease off the gas
- Brake hard right away
- Speed up to keep control
- Steer sharply onto the shoulder
显示答案
答案: A. Hold the wheel tightly and slowly ease off the gas
Grip the wheel firmly, keep the car straight, and let it slow down before you brake gently and pull off.
第7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8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9题，共25题
A truck signaling a right turn swings left first. What should you do?
- Pass it on the right
- Pull up beside the cab
- Honk and pass it quickly
- Stay back and do not try to squeeze between the truck and the curb
显示答案
答案: D. Stay back and do not try to squeeze between the truck and the curb
Trucks swing wide to make right turns. Never try to get between a turning truck and the curb.
第10题，共25题
When is it safe to pull back in front of a large truck you have passed?
- As soon as you pass the cab
- When the truck driver honks
- When you can see the whole truck in your rearview mirror
- Right after your rear bumper passes its front bumper
显示答案
答案: C. When you can see the whole truck in your rearview mirror
Cutting in too soon puts you in the truck's front blind spot, where it cannot stop in time. Wait until you see it in your mirror.
第11题，共25题
What should you do when you see this sign?
- Slow down before you reach the curve
- Brake hard in the middle of the curve
- Move to the left lane
- Speed up to get through the curve
显示答案
答案: A. Slow down before you reach the curve
Slow down before the curve, not in it. Braking hard in a curve can make you skid.
第12题，共25题
Your car goes into deep water and starts to sink. What should you do?
- Stay buckled and wait for help
- Unbuckle and escape through a window
- Open a door right away
- Turn the engine off and on again
显示答案
答案: B. Unbuckle and escape through a window
Get out through a window. Opening a door can let water rush in and roll the car over.
第13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14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15题，共25题
If you double your speed, about how much longer does it take to stop once you brake?
- About the same distance
- About half as far
- About four times as far
- About twice as far
显示答案
答案: C. About four times as far
Braking distance grows with the square of speed, so doubling your speed makes it about four times longer.
第16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17题，共25题
What does this sign mean?
- Traffic from another road will join your lane; be ready to let it in
- Two lanes become three
- Your lane ends and you must exit
- A divided highway begins
显示答案
答案: A. Traffic from another road will join your lane; be ready to let it in
Traffic is merging from the side shown. Adjust your speed, or change lanes if it is safe, so vehicles can merge smoothly.
第18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19题，共25题
What does this sign mean?
- Turn around here
- Left turns are not allowed here
- U-turns are not allowed here
- Sharp curve ahead
显示答案
答案: C. U-turns are not allowed here
A red circle with a slash means the action shown is not allowed. Here you may not make a U-turn.
第20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21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22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23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24题，共25题
At night you see red reflectors on the road facing you. What does this most likely mean?
- You are entering a school zone
- You are going the wrong way on a one-way road or ramp
- The road ahead is wet
- You are near a fire station
显示答案
答案: B. You are going the wrong way on a one-way road or ramp
Red raised pavement markers face drivers who are going the wrong way on a one-way road or ramp. Turn around safely right away.
第25题，共25题
Besides police cars, which stopped vehicle with flashing lights should you also slow down and move over for?
- A tow truck helping a driver on the shoulder
- A car parked in a driveway
- A delivery van parked at the curb
- A bus at a bus stop with no lights flashing
显示答案
答案: A. A tow truck helping a driver on the shoulder
In many states, Move Over rules also cover tow trucks and highway work vehicles with flashing lights. Giving them space protects the people working beside the road.

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