Nowadays we can see more and more electric bikes in the street． Electric bikes are easy to
(1) ． They run fast and make no pollution． So they become very
(2) in many big cities in China．But the electric bikes also cause more traffic accidents． So China plans to make a new rule
(3) the electric bike riders． If an electric bike is heavier than 40kilos and can go faster than 20kilometers an hour， its rider must get a license（许可证）． It means riders have to pass driving tests
(4) they ride their electric bikes on the road．
People have different ideas about the plan． Some welcome the plan because they think it will make the street much safer． But some are not happy with the new rules at all． One rider said， "I don't want to get a license or anything． That's too much
(5) ．" What's your idea？