Wales Driving Theory Test Practice 2026：第5套练习测试

Wales Driving Theory Test Practice 练习测试第5套（共8套）：再练25道题，附答案和解释。

驾驶
威尔士
290道题
核对于2026年10月10日

第1题，共25题
On a windy day a motorcyclist is overtaking a high-sided vehicle ahead of you. What should you do?
- Overtake the motorcyclist and the lorry together
- Keep well back, as the rider may be blown off course
- Sound your horn to warn the motorcyclist
- Close up behind the motorcyclist
显示答案
答案: B. Keep well back, as the rider may be blown off course
Rule 233: turbulence from large vehicles can affect motorcyclists. Keep well back when they overtake high-sided vehicles.
第2题，共25题
Why might a cyclist suddenly swerve out into the road?
- Because they must ride in the centre of the road
- To let you overtake
- To avoid a drain cover or a wet or icy patch
- To race the traffic
显示答案
答案: C. To avoid a drain cover or a wet or icy patch
Rule 213: cyclists may swerve to avoid drain covers or oily, wet or icy patches. Give them plenty of room.
第3题，共25题
You cannot leave the recommended space to overtake a cyclist safely. What should you do?
- Wait behind until you can
- Sound your horn so they move over
- Overtake with two wheels on the verge
- Overtake anyway, but slowly
显示答案
答案: A. Wait behind until you can
Rule 163: if you cannot give the recommended space, wait behind and do not overtake.
第4题，共25题
May you tow any size of trailer with your car licence?
- No, only what your licence allows
- Yes, if it is shorter than 10 metres
- Only at night when roads are quiet
- Yes, any size you like
显示答案
答案: A. No, only what your licence allows
Rule 98: you must not tow more than your licence permits, and you must not overload your vehicle or trailer.
第5题，共25题
At a level crossing the amber light comes on before you reach the white line. What must you do?
- Drive round the barriers
- Cross if no train is in sight
- Stop behind the white line
- Speed up and cross quickly
显示答案
答案: C. Stop behind the white line
You must obey the lights at a level crossing and stop behind the white line. Only keep going if you have already crossed the line when the amber light comes on.
第6题，共25题
How much longer can stopping distances be on icy roads than on dry roads?
- Up to ten times longer
- The same, if your tyres are good
- Up to three times as long
- Up to twice as long
显示答案
答案: A. Up to ten times longer
Rule 230: in icy or snowy weather, stopping distances can be ten times greater than on dry roads.
第7题，共25题
How often does the Highway Code recommend a break on a long journey?
- Only when you need to buy fuel
- At least 15 minutes after every two hours of driving
- 30 minutes after every hour of driving
- 5 minutes after every four hours of driving
显示答案
答案: B. At least 15 minutes after every two hours of driving
Rule 91 recommends a break of at least 15 minutes after every two hours of driving.
第8题，共25题
What does this sign mean?
- Quayside or river bank
- Ferry terminal ahead
- Ford ahead
- Risk of flooding
显示答案
答案: A. Quayside or river bank
The road may run along an open quay or river bank. Take care not to drive into the water.
第9题，共25题
Why can following the rear lights of the car in front in fog be dangerous?
- They will switch off your own fog lights
- They will make your speedometer read too low
- They will make your windscreen mist up more
- They can make you feel safe and drive too close
显示答案
答案: D. They can make you feel safe and drive too close
Rule 235: keep a safe distance in fog. Rear lights ahead can give a false sense of security.
第10题，共25题
What does this sign mean?
- Cycle parking
- Cycle route ahead
- No cycling
- Route for pedal cycles only
显示答案
答案: D. Route for pedal cycles only
A blue circle with a white bicycle means the route is only for pedal cycles.
第11题，共25题
You passed your driving test last year. How many penalty points within two years of passing will cause your licence to be cancelled?
- 6 or more
- 12 or more
- 3 or more
- 9 or more
显示答案
答案: A. 6 or more
New drivers lose their licence if they get 6 or more penalty points within two years of passing their test.
第12题，共25题
In a built-up area, during which hours must you not sound your horn, unless another road user is a danger?
- Between 10 pm and 6 am
- Between midnight and 8 am
- Between 9 pm and 7 am
- Between 11.30 pm and 7 am
显示答案
答案: D. Between 11.30 pm and 7 am
Rule 112: you must not sound your horn in a built-up area between 11.30 pm and 7 am, or while stationary, unless another road user poses a danger.
第13题，共25题
What does this sign mean?
- End of the 20 mph zone
- Maximum speed 20 mph
- Advised speed 20 mph on a bend
- Minimum speed 20 mph
显示答案
答案: B. Maximum speed 20 mph
A red circle around a number is a speed limit. Here the limit is 20 mph.
第14题，共25题
What does this sign mean?
- Turn back, road closed
- U-turns allowed here
- No U-turns
- Sharp bend ahead
显示答案
答案: C. No U-turns
The U-shaped arrow with a red bar means you must not make a U-turn.
第15题，共25题
Under the hierarchy of road users, who has the greatest responsibility to reduce danger?
- Pedestrians, as they are the most at risk
- Cyclists, because they share the road with cars
- Whoever arrived at the place first
- Those driving vehicles that can cause the most harm
显示答案
答案: D. Those driving vehicles that can cause the most harm
Rule H1: those in charge of vehicles that can cause the greatest harm bear the greatest responsibility to take care.
第16题，共25题
The road is wet. How should you change your gap to the vehicle in front?
- Add half a second
- At least double it
- Halve it
- Keep it the same
显示答案
答案: B. At least double it
Rule 126 and Rule 227: stopping distances are at least double on wet roads, so the gap should be at least doubled.
第17题，共25题
You park your car on a road at night. When must you leave parking lights on?
- When the road has a limit over 30 mph
- Only on motorways and dual carriageways
- Only on roads without street lights
- On every road, whatever the limit
显示答案
答案: A. When the road has a limit over 30 mph
Rule 249: all vehicles must show parking lights when parked on a road or lay-by with a speed limit over 30 mph.
第18题，共25题
What is the national speed limit for a car on a single carriageway road?
- 40 mph
- 70 mph
- 50 mph
- 60 mph
显示答案
答案: D. 60 mph
Rule 124: the national speed limit for cars on single carriageways is 60 mph.
第19题，共25题
How long is a theory test pass certificate valid?
- Two years
- Five years
- Six months
- One year
显示答案
答案: A. Two years
You must pass your practical driving test within two years of passing the theory test, or take the theory test again.
第20题，共25题
A speed limit is shown inside a red circle on a motorway sign. What is it?
- An advisory speed for bad weather
- The average speed of traffic ahead
- A legal limit that you must not exceed
- A minimum speed for that lane
显示答案
答案: C. A legal limit that you must not exceed
Rule 261: you must not exceed a speed limit shown inside a red circle.
第21题，共25题
What colour is the background of direction signs on motorways?
- White
- Green
- Blue
- Brown
显示答案
答案: C. Blue
Traffic signs: direction signs on motorways have blue backgrounds.
第22题，共25题
You are supervising a learner driver. May you use a hand-held mobile phone?
- Yes, once the learner has passed the theory test
- No, the ban applies to supervisors too
- Yes, because you are not the one driving
- Yes, but only to make short calls
显示答案
答案: B. No, the ban applies to supervisors too
Rule 149 says you must not use a hand-held phone or similar device while driving or while supervising a learner driver.
第23题，共25题
At a junction, double broken white lines are painted across your side of the road. What do they mean?
- Give way to traffic on the major road
- No entry for all vehicles
- You must always come to a full stop
- You have priority over the major road
显示答案
答案: A. Give way to traffic on the major road
Road markings: double broken white lines across the road mean give way to traffic on the major road.
第24题，共25题
The traffic lights change to amber as you approach. What should you do?
- Stop on the far side of the junction instead
- Stop at the line, unless you are too close to stop safely
- Go on if nobody is waiting at the crossing
- Speed up to get through before it turns red
显示答案
答案: B. Stop at the line, unless you are too close to stop safely
Rule 175: amber means stop at the stop line. Go on only if you have already crossed the line or are too close to stop safely.
第25题，共25题
You are overtaking a cyclist on a road with a 50 mph limit. How much space should you leave?
- Exactly 1 metre
- More than 1.5 metres
- Less than you would at 30 mph
- Half a metre
显示答案
答案: B. More than 1.5 metres
Rule 163: 1.5 metres is the minimum at up to 30 mph. Give cyclists more space at higher speeds.

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