1. Experiencing microgravity on a ........light is a part of astronaut training programmes. A. orbit B. ship C. mission D. parabolic
2. As soon as the spacecraft ....... into space, the crew started to observe the sun.A. has travelled B. had travelled C. travelled D. was travelling
3. Europe’s biggest ISS project is the Columbus science laboratory ....... astronauts can carry out scientific experiments in weightless conditions.A. there B. which C. where D. when
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