How fast can you get through this maze?How fast can you get through this maze?   ……

最擅长滑板的狗狗Hi, I’m Tillman. I’m a bulldog (牛头犬). I’m the fastest dog who rides a skateboard (滑板). I can go about 109 meters in 19.7 seconds (秒). How fast can you go? ……

龟界的“博尔特”Turtles move slowly. How far does a turtle usually go in one minute? It’s 8.4 meters. But Bertie can move 16.8 meters in a minute. That’s twice (两倍) as fast as other turtles. Bertie ……

and find them together!   Speed limit 限速Speed limit 限速It tells how fast cars can go. It tells how fast cars can go. The number means kilometers per hour (每小时).The number means ……

. How far can FAST see? 7. How far can FAST see? ... the right answer to each question.5. Choose the right answer to each question.6. How does FAST work?6 ……

能想象F1赛车最快能达到什么速度吗？它为什么会有这么惊人的能量？RACING cars go very fast. On thestraight(直的) parts of a track, they can go at over 300 kilometres per hour.If you could run at that speed, you would be able to run ……

HOW fast can a car go? This one can go at a top speed of 550 km an hour. If you drove it from Beijing to Shanghai, you would arrive in less than three minutes! ASwiss(瑞士的) company makes the car ……

Fast and smallAcheetah(印度豹) can run 76 kilometers per hour. Asnail(蜗牛) needs 20 hours to go 1 kilometer. ……

AS clichéd (过时的) a saying as it is, “how time flies!” describes how fast time can travel...s. Take a look at a few. ……

giant. It is larger than your hand.Oh, look at my legs. How strong they are! They help me run very fast. I can reach 64 km an hour, as fast as a racehorse (赛马). My legs are strong. My kick can even kill ……

The fastest rocket bicycle世界上最快的火箭自行车How fast can a bicycle go? It can be much faster than a car. Francois Gissy is from France. He has a bicycle with rocket power (火箭动力). On this bicycle, he can ……

DO you know how David Beckham bends a football? How fast can you shoot your penalty kick (点球)? Why... to the questions above. The exhibition will last until July 5. Go and experience it for yourself! ……

his sofa like a car. He made it by putting anengineinside the sofa. Now his sofa can go as fast as 140... to teach him how to play golf. He also learned how toshoot(投篮) a basketball. Any other sport AJ plays ……

toward you!How can this big bird run so fast?How can this big bird run so fast?Tall heightTall...’t fly, but I run fast. I can run as fast as a car in the city! So I am the fastest running bird ……

interesting characteristics. Firstly, nothing can travel faster than it. Secondly, no matter how fast...Going for light speed我们有可能超越光速吗?Q:Is it possible to go faster than the speed of light ……