of the sidewalk (人行道). If you are under 12 years old, don’t ride the bike. When you see someone... the app and ride another one.You have to ride it on a bike path. Don’t ride too fast. Don’t destroy ……

水下自行车Look at the picture! Is this a new sea animal? No, he is an Italian (意大利人), Vittorio Innocente. He is riding a bike about 65 meters under the sea. The tires (轮胎) are filled with (充满) water. ……

or in the sea.6. It carries people in the air.7. It's smaller than a bus but bigger than a car.9. It's big and can carry a lot of things.Down1. It runs on two wheels. People have to ride it.2 ……

or in the sea.6. It carries people in the air.7. It’s smaller than a bus but bigger than a car.9. It’s big and can carry a lot of things.Down1. It runs on two wheels. People have to ride it.2 ……

Ride to shopIs this a bike or a shopping cart (购物车)? It is both! Ride this cool bike to a supermarket (超市), and you don’t have to leave it outside. Just fold (折叠) it into a shopping cart. ……

Ride a folding bike把自行车折成雨伞大小。IS it possible to put a bike in your backpack? Sada Bike makes it possible. The bike is spokeless (没有辐条). You can fold (折叠) it into the size of an umbrella and make your ……

炫酷发明It is not very safe to ride a bike at night. How about trying this bike? Its tires (轮胎) give out light (发光). Oh, a car is coming. Don’t worry. The driver can see you! ……

such as a horse or a bike. ___________2. (On page 4-5) It’s a kind of large sea fish. It has very... has one. ___________Answers: 1. ride 2. shark 3. library ……

at sea to rob (抢夺) things. Who are they? _________3. It has two wheels. You can ride it. _________Answers: 1. mascots 2. pirates 3. bike ……

The moon is about 384,400 km away from Earth. It would take about three years to ride a bike from... to ride a bike from Earth to the moon.   ……

The sun will rise.The sun will shine (照射).Let’s ride a bike.That would be fine.We’ll have a really nice time! ……

这辆奥运自行车居然有五个轮子！ What a lovely "bike"! It has fivewheels(轮子). Meng Jie is the bike's maker. The five wheelsstand for(代表) the fiverings(环) of the Olympics. Meng wants to ride this bike to tell people ……

五个轮子！连自行车也为奥运疯狂！WHAT a lovely "bike"! It has fivewheels(轮子). Meng Jie is the bike's maker. The five wheelsstand for(代表) the fiverings(环) of the Olympics. Meng wants to ride this bike to tell people ……

. In much of the United States, it is against the law for kids under 16 to ride without a helmet... than people. The whole country has bicycle lanes.Riding for funDo you ride your bike to school ……

最长的自行车Can you ride a bike? You might not want to ride this one! It’s about 36 meters long. It’s the world’s longest bicycle. It needs two people to ride. One sits at the front and the other rides ……