When a vehicle changes lane, the driver should  turn on the turn signal and rapidly enter the new lane. Answer:  ×

The three principles for careful driving are concentration, careful observation and early prevention. Answer:  √

When  passing a section of a mountain road which  is prone  to landslide and mudflow, the driver should  not stop. Answer:  √

A vehicle is not allowed to make a U turn on the ramp of an expressway. Answer:  √

In a vehicle that has safety belts, the driver  should request the passengers to buckle up. Answer:  √

In the course of reversing,  the driver  should  move slowly, observe the conditions on both sides and in the rear and be ready to stop anytime. Answer:  √

When passing a dangerous section of a mountain road,especially a road section that is prone  to landslide and mudflow,the driver should  drive with care and avoid stopping. Answer:  √

After a vehicle enters a mountain road, it should  pay special attention to the “continuous curves) sign. In addition, it should  voluntarily evade vehicles and pedestrians, reduce speed in a time manner  and honk in advance. Answer:  √