Missouri Permit Practice Test 2026：第8套练习测试

Missouri 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
密苏里州
205道题
核对于2026年10月10日

第1题，共25题
What is the only thing that lowers your blood alcohol concentration?
- Time
- Exercise
- A cold shower
- Black coffee
显示答案
答案: A. Time
Your body removes alcohol slowly. Coffee, exercise and cold showers do not lower your BAC.
第2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3题，共25题
Your car has anti-lock brakes (ABS). How should you brake in an emergency?
- Pull the parking brake
- Press the brake pedal firmly and keep pressing
- Tap the brake lightly
- Pump the brake pedal quickly
显示答案
答案: B. Press the brake pedal firmly and keep pressing
With ABS, press hard and hold steady pressure. The system pumps the brakes for you and lets you steer.
第4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5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6题，共25题
A driver holds the left arm straight out the window. What does this hand signal mean?
- Right turn
- Left turn
- Slowing down or stopping
- You may pass me
显示答案
答案: B. Left turn
The left arm held straight out means a left turn.
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
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9题，共25题
You stopped for a school bus with flashing red lights. When may you drive on?
- After waiting about 30 seconds
- When the bus driver honks
- As soon as you see the children on the sidewalk
- Only after the red lights stop flashing
显示答案
答案: D. Only after the red lights stop flashing
Stay stopped for as long as the red lights are flashing. Then watch for children before you move.
第10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11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12题，共25题
This yellow plate is posted under a curve sign. What does it tell you?
- The legal speed limit for the whole road is 35 mph
- Only trucks must slow to 35 mph
- The minimum speed is 35 mph
- The recommended speed for the curve is 35 mph
显示答案
答案: D. The recommended speed for the curve is 35 mph
Yellow speed plates give an advisory speed for a curve or hazard in good conditions. Drive slower if the road is wet or icy.
第13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14题，共25题
You feel sleepy while driving. What is the safest choice?
- Open the window and turn up the radio
- Chew gum and keep driving
- Drive faster to get home sooner
- Pull over in a safe place and rest or take a short nap
显示答案
答案: D. Pull over in a safe place and rest or take a short nap
Tricks like a cold window or loud music do not work. Stop and rest; only sleep cures drowsiness.
第15题，共25题
Two cars meet on a steep, narrow mountain road where neither can pass. Which car has the right-of-way?
- The car that is larger
- The car with more passengers
- The car facing uphill
- The car facing downhill
显示答案
答案: C. The car facing uphill
The vehicle facing uphill has the right-of-way. The vehicle facing downhill should back up until the other car can pass.
第16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17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18题，共25题
You are entering a freeway from an on-ramp, as shown. What should you do in the acceleration lane?
- Merge right away without checking traffic
- Drive slowly so freeway drivers notice you
- Speed up to match freeway traffic, then merge into a safe gap
- Stop at the end of the ramp and wait for a big gap
显示答案
答案: C. Speed up to match freeway traffic, then merge into a safe gap
Use the acceleration lane to reach the speed of traffic, check mirrors and your blind spot, signal, and merge into a gap.
第19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20题，共25题
What does this sign mean?
- U-turns are allowed ahead
- Turn around ahead
- A roundabout is ahead; slow down and drive counterclockwise
- Do not enter
显示答案
答案: C. A roundabout is ahead; slow down and drive counterclockwise
At a roundabout, yield to traffic already in the circle and travel counterclockwise, to the right of the center island.
第21题，共25题
You are in the middle of an intersection when you hear a siren behind you. What should you do?
- Drive out of the intersection, then pull to the right and stop
- Back up out of the intersection
- Turn left right away
- Stop in the middle of the intersection
显示答案
答案: A. Drive out of the intersection, then pull to the right and stop
Do not stop inside an intersection. Clear it first, then pull over to the right and stop.
第22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23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24题，共25题
When should you leave more than your normal following distance?
- Only when the road is dry and clear
- In bad weather or when following a large truck
- Only on city streets
- When you are in a hurry
显示答案
答案: B. In bad weather or when following a large truck
Add more space in rain, snow or fog, and behind large trucks that block your view.
第25题，共25题
Which road users are especially hard to see at night?
- Trucks with clearance lights
- Police cars with lights flashing
- Buses with interior lights on
- Pedestrians, bicyclists and motorcyclists
显示答案
答案: D. Pedestrians, bicyclists and motorcyclists
People walking, cycling or riding motorcycles are much harder to see in the dark. Slow down and look carefully.

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