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IV Fill in the gap with a suitable word given in the box.

atmosphere space shuttle space station asteroid orbit

galaxy astronaut spacecraft explorer gravitation

1. ........................ is a person who is trained to travel in a spacecraft.

2. ........................ is small celestial body composed of rock and metal.
3. ........................ is the envelope of gases surrounding any celestial body.
4. ........................ is a person who travels to unknown regions to make discoveries.

5. ........................ is collection of star systems.
6. ........................ he force of attraction between all masses in the universe.
7. ...................... is a manned artificial satellite in a fixed orbit designed for scientific
research.

8. ........................ is a craft which is capable of travelling in outer space.
9. ........................ is a reusable spacecraft with wings for a controlled descent through the
Earth‟s atmosphere.

10. ........................ is the path of a celestial body in its revolution about another.
V Choose the best answer (A, B, C or D).
1. Nose touching and hair fiddling are also good examples of ………………
A. sign language B. spoken language

C. written language D. body language
2. I don‟t know how to ……………… with her when she moves to that remote area.

A. keep in touch B. keep touch C. stay in touch D. both A & C
3. “Television ………………” is another word for advertising.
A. commerce B. commercials

C. commercialize D. commercializing
4. ……… can be defined as application of better solutions that meet new requirements.
A. creation B. invention C. innovation D. revolution

5. The US military official said that navy ships ……………… on 50 percent of biofuels
in the near future.
A. will be running B. would be running C. will have run D. would have run

6. Before James Watt‟s steam engine, there ……………… some similar models which
……………… as advantageous as that.
A. were - weren‟t B. was - wasn‟t

C. had been - weren‟t D. had been - wasn‟t
7. She stated that our personal life ……………… highly dependent on the technology
that people ………………
A. is - have developed B. were - has developed

C. was - had developed D. were - had developed
8. The man said that the types of mobile phones we ……………… in 1995……………
no longer on demand in this century

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