加州科学分级 · 加州科学Time For Kids G1
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Bicycles by Sara Nicholas
People ride bicycles around town and in parks. bicycles horses Long ago people did not have bicycles. People used horses to travel. travel: go from place to place
When bicycles were invented, they had no pedals. A rider sat on it and ran. Bicycles were hard to ride. invented: made for the first time This bicycle was made about two hundred years ago.
Then a bicycle with pedals was invented. A rider made the pedals go round. This bicycle was easy to ride. pedals This bicycle had pedals. little wheel big wheel The man needed help to get on this bicycle. This bicycle had one big and one little wheel. This bicycle was hard to ride. Language DETECTIVE Hard: Hard has the ar sound. Find another word with the ar sound on page 2.
This bicycle was better and safer. The wheels were almost the same size. This bicycle was easy to ride. This bicycle is like the bicycles we ride today. The boy learns to ride a bicycle. He gets help. Today bicycles are like this.
