When was the space rocket invented? When was the hovercraft invented? When was the first airplane invented? When was the rocket engine invented? When was the satellite invented? When was the aircraft carrier invented? When was the flying car invented?
When was the space rocket invented? When was the defibrillator invented? When was football invented? When was the elevator invented? When was the electric lamp invented? When was the first cell phone invented? When was the mailbox invented? When was the house invented? When was the harp inve...
Probes send data back to Earth for scientists to study. Sputnik 1 was the first probe to go into space. It was launched on Oct. 4, 1957, by the former Soviet
a vehicle that travels in space, carrying people 5. an electronic equipment that is sent into space and moves around the earth or another planet 二.单项选择 ( ) 1. Students are not allowed cell phones at school. A. use B. to use C. make D. to call ( ) 2. A roc...
( )9.A.accepted B.invented C.sought D.checked ( )10.A.new B.fair C.hard D.easy ( )11.A.blindness B.world C.space D.loneliness ( )12.A.popular B.traditional C.practical D.unique ( )13.A.accused B.composed C.rid D.cleared ( )14.A.hardly B.simply C.rarely D.seriously ( ...
into creating someouter space rocket crafts. These rockets can be really a fun-filled exercise,and they?re the simplest. Space Crafts Idea Ⅱ How about some crazy astronauts for decorating(装饰) the walls? You will love these astronauts suddenly taking up your room. This one needs some crayon...
--What is the rocket ___ ___?-- ___ ___ ___ ___ satellites or spaceships ___ space.12.Tom 不被允许在电视上花费太多时间,对他的健康有害。Tom is not ___ ___ spent too much time ___ TV, it ___ ___ ___ his health.13.但是不要被人们所说的话打败。Don’t ___ ___...
the USA dreamed of using a rocket to reach the moon.He designed a rocket that climbed forty feet into the air.That does not sound like a great distance, but it was farther than any liquid-fueled rocket had gone before.The age of space travel began. (1) The first space explorers were...
First, they will have to find a shuttle (航天飞机) that can be used for ___ times and can also be used for business. Old American shuttles were very expensive to launch (发射). They had to be launched into space ___ a big rocket which couldn’t be reused. In the future, shuttles...
Zero is understood to be thelast numberthat was invented, used initially as a proxy before officially taking its place among the others. "Without that, calculations would have been completely wrong – because we were following the Roman rhythmic calendar which believed that one was the first numb...