It is merely of the universe an optical illusion of the moon ... appears considerably larger than it does.
A. who B. whose C. whom D. which
Physicists are scientists ... the study matter and energy as well as their patterns of interaction.
A. who B. whom C. whose D. which
"Did you see the new 3D film at Megastars Theater?" - "Yes. It was better than good. It's was ..."
A. over the moon B. once in blue moon C. the sky's the limit D. out of this world
To walk on the moon, the astronauts had to carry a suitcase ... contained oxygen.
A. which B. it C. having D. where
It is cheaper to build an unmanned ... than the one that is manned.
A. space B. spacecraft C. spacious D. spaciousness
*Complete the sentences with the words from the box.
| comet | astronaut | spaceline | spacesuit | satellite |
| universe | meteorite | astronomy | microgravity | spacewalk |
1. Halley’s ………………………only appears every 75 years.
2. The ………………………is bigger than we can imagine.
3. I think it would be incredibly exciting to do a ……………………….
4. We were asked to practice by scuba diving in a ……………………….
5. The government uses ………………………surveillance to track terrorists.
6. They are predicting a ………………………shower at the beginning of June.
7. ………………………is a leading company in the growing industry of space tourism.
8. We also have to experience ………………………, which is awesome but a little dizzying.
9. My dream is to become an ………………………, so I registered for the next Virgin Galactic flight.
10. To prepare for the space trip, I read lots of interesting ………………………books about stars and planets.
..., I go to the cinema, only when there's a film I really, really want to see.
A. Over the moon B. Once in a blue moon C. The sky's the limit D. Out of this world
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
They (collect) ... more than 100 pounds of moon rocks and done science experiments on the lunar surface before they (come) ... back to the Earth.
In 2015 NASA discovered an Earth-like planet which might be ... because it has "just the right" conditions to support liquid water and possibly even life.
A. inhabited B. inhabitants C. habitable D. uninhabited
