airplanes carry things. Take a look at Roc from the US. It can carry satellites (卫星) up into the sky and launch (发射) them into space in the future. Roc is the world’s largest airplane ……

.A. a rocket B. astronautsA. a rocket B. astronautsC. an engine D. an airplaneC. an engine D. an airplane2..., the fourth launch _____.A. cost the least moneyA. cost the least moneyB. reached an unknown ……

do you want to have a try and fly on an airplane?上海外国语大学附属小学五(1)班 周嘉宇...实用的飞机Airplanes are useful4 in many ways. First, it is the fastest transportation (交通). It can save ……

揭开“海上霸王”航空母舰的神秘面纱。全版词数 630 建议阅读时间 21分钟HAVE you ever been on a ship? Well, it can't have been as big... all about these mightyvessels(战船).How big is an aircraft carrier?The flight deck of an aircraft ……

carriers important?An aircraft carrier helps airplanes get to places. The places may be very far away... countries and then return to the carrier. An aircraft carrier can make a big difference during a war ……

THE September 11, 2001 attacks alerted people to the fact that commercial airliners could do far... way to share germs."You have several hours to get from one place to another within the known ……

airplaneHe can pull an airplane能拉动飞机的大力士能拉动飞机的大力士How much can you pull (拉)? How about an airplane... at the same time. He is very strong!How much can you pull (拉)? How about an airplane? This man ……

sky.Have a try!Can you fly? Have a try!Jump, jump, jump!How high can you get?How far can you get?How...!”Whose airplane flies the best?Did you know?How far is the Moon from us? It’s 384,000 km.Suppose6 you ……

未来出行可上天入海!未来出行可上天入海!Today, around half of the world’s population (人口) lives in cities. But when you...) lives in cities. But when you grow up, cities may become more crowded. By 2050, 68 percent ……

未来出行可上天入海!未来出行可上天入海!Today, around half of the world’s population (人口) lives in cities. But when you...) lives in cities. But when you grow up, cities may become more crowded. By 2050, 68 percent ……

many falls? Well, here's how:First, find a safe, open space — away from trees and buildings.If you're...快看！我的风筝在天空中飞得最高！ WHAT makes the spring sky the most colourful? Kites!In spring, kite-flying can ……

and technological change on our planet; an effort to make the most accurate computer model of the human brain to date; and a team working to find better ways to produce and employ graphene–an ultra-thin ……

. It is the boss of the team. An aircraft carrier has four big jobs: 1. It carries airplanes to far away... a catapult (弹射器). It shoots (发射) an airplane forward6 to help it go faster.Good to knownot only…but also ……

something amazing. Let’s meet them! Can you shoot an arrow like me? I am Nancy Siefker, from the US. I can shoot with my feet! How far can I shoot? 6.09 meters.I am Christopher Irmscher from Germany ……

) on it. Pull it apart. Light and sound come out. You can take it for camping. It can work for eight hours.... There are no buttons (按钮) on it. Pull it apart. Light and sound come out. You can take it for camping ……