Often a team of engineers is ...
A. work on one project B. on one project work C. working on one project D. to work on one project
Often a team of engineers is ...
A. work on one project B. on one project work C. working on one project D. to work on one project
One of the largest ... found on Earth is the Hoba from southwest Africa, which weighs about 54000 kg.
A. meteorites B. meteoric C. meteors D. meteorite
Europe's biggest ISS project is the Columbus science laboratory ... astronauts can carry out scientific experiments in weightless conditions.
A. which B. where C. when D. there
He (fly) ... on a Mercury spacecraft which (have) ... just enough room for one person.
On the way, the spacecraft was (flood) ... with sunlight on one side while the other side was in complete (dark) ...
He (1. work) ... on a ship during World War II before he (2. go) ... back to university.
Double - stars orbit ...
A. each to other B. each other C. each other one D. other each one
Fill in the blank with ONE suitable word to complete the following passage
explore - telescope - astronaut - Earth - Mars - spaceships - solar system - planets - gravity - astronomer
1, Some people believe that there might be alien life on ...
2, Last year, I got a ... as a birthday present. Now I look at the stars every night.
3, Our ... has eight planets.
4, I don't live on the moon. I live on ...
5, ... makes things fall down.
6, When I was a kid, I wanted to grow up and be an ... and travel in space.
7, Why do people want to ... space? Why do they want to find out what is out there?
8, Galileo Galilei was a famous ... who used a telescope to study the night sky 400 years ago.
9, Perhaps humans will travel in ... to other solar systems and planets in the future.
10, Astronomers have discovered hundreds of other ... that orbit other suns.
It is cheaper to build an unmanned ... than the one that is manned.
A. space B. spacecraft C. spacious D. spaciousness