's Atlantic Coast on October 4.US Army explosives experts removed the three-metre, rocket-powered bomb. Expert says that the rocket was still live.The beaches in the area were used to practice military ……

液体燃料运载火箭On June 25, the Long March 7 rocket was successfully launched in China’s Hainan province. The newest member of the Long March family was designed as a liquid-fueled carrier rocket, powered ……

.Traditional rocket powered launchers can be used only once. They are designed only for moving up... parts. The three main pieces are the rocket boosters (火箭助推器), the external (外部的) tank ……

of the last paragraph?A. How traditional rocket-powered launchers can be recovered. B. Why the space shuttle costs more than rocket-powered launchers.C. The reason why rocket-powered launchers can only ……

Can you see a bench3, a bike, a yellow bus and a duck? ……

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 ……

滑雪自行车Can we ski on a bike? Yes, the Ktrak is a ski-bike. A ski (滑雪板) replaces (替换) the front wheel (前轮). ……

, some car races seemed unreal, with rocket-powered cars and cars flying into buildings. But Fast X... of exciting car racing scenes. In recent (之前的) films, some car races seemed unreal, with rocket ……

实的) car races in recent  films, including a rocket-powered car and vehicles launching.... Unlike many surreal (超现实的) car races in recent  films, including a rocket-powered car ……

, looks like an elegant tall ship loaded down with sails, it actually turns out to be rocket powered ……

您得卖给我一辆带车灯的自行车！TOM saw an advertisement (广告) in a newspaper. It was for a beautiful bike and the bike cost $50. So he went to the shop to have a look.After examining (检查) the bike carefully, Tom said ……

自行车本期知识点my 我的our 我们的your 你（们）的’s ……的1. Is this your bike?No. It’s Simon’s.2. Is this your bike?No. It’s Olga’s.3.Is this your bike?No. It’s Martin’s.4. Is this your bike?No. It’s Pam’s.5 ……

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 ……

好酷的竹子自行车！Thomas Finger is a student at a university in Berlin, Germany. He is riding his bamboo-bike. He and his classmates made a bike out of bamboo poles (杆) and used bike parts. ……