(2008? Foshan No. 2 Model) On March 24, 2008, the Olympic flame, symbolizing peace, friendship, and hope, was lit in Greece. Luo Xuejuan became my country’s No. 1

A. From the fluttering direction of the national flag, it can be seen that the wind blows to the left, and the flame of Figure A floats to the left, then object A can be stationary; it can also move to the left, but the speed of movement to the left is less than the wind speed; it can also move to the left. Right movement.

The flame in Figure B floats to the right, then object B can only move to the left, and the speed of left movement is greater than the speed of the wind. Therefore, A is wrong and B is correct;

C. When a torch burns, it only emits light and heat, so the burning fuel in the torch converts chemical energy into internal energy and light energy, so C is correct;

D. The height of the torch from the ground remains unchanged, there is no displacement in the direction of gravity, and gravity does no work, so D is wrong.

Hence the choice: BC