Learning ladders · Learning ladders 1级

3 On the Move

World Book's Learning Ladders On the Move

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Bicycle Bicycles are lots of fun. You can cycle to the park with your friends or to the store. It is easy to learn how to ride a bicycle. You may wobble at first, but soon you will be pedaling like a pro! A lightweight racing bicycle speeds along a track. The rider dips her body and head, letting the air rush past. Two wheels spin around and move the bicycle forward. A mudguard helps keep you dry when you splash through a puddle. To ride a bicycle, you sit on the seat and push the pedals with your feet. Always wear a hard helmet to protect your head.

You can ring your bell to warn people that you are coming. Holding the handlebars keeps you steady and lets you steer. When you squeeze the brake on the handlebar, a brake pad rubs against the wheel to slow you down. A rickshaw has three wheels and a comfortable back seat. You sit inside and a driver cycles you across town. It's a fact! A unicycle has one wheel and no handlebars. It takes time and a lot of balance to learn how to ride one!

Car All over the world, people travel by car. A car can hold a whole family, and it can go wherever there are roads. Cars are quick, too, but watch out—there may be a traffic jam ahead! An engine uses fuel to make the car move. At night, the car's bright headlights light up the road. It's a fact! The world's longest car has 26 wheels. There is even a swimming pool on board so that you can take a quick dip! Turning the steering wheel makes the car turn left or right. Thick tires grip the road, even in wet weather.

You can pile extra luggage onto the roof rack. Wearing a seat belt helps keep you safe. Everybody helps load luggage into the trunk for the journey. A race car zooms around a track as fast as it can. Before the race, a team of helpers checks that the car works properly.

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