9. Read the text and choose the best answers. People began traveling in space in 1961 in tiny spacecraft (1) capsules, which were (2) from Earth by powerful rockets. Russian crews still travel in this kind of craft, in Soyuz capsules, but Americans now travel into space in shuttles, (3) are rocket-powered space planes. There is no oxygen in space, so all crewed spacecraft carry a life-support system. This supplies air for people (4) . The system also includes equipment to keep the air at a comfortable temperature (5) pressure and to remove carbon dioxide and odors. Gravity in space is much weaker than it is on Earth. When people travel in space, they seem to become (6) . This often makes them feel sick. Their bodies do not have to work as hard, (7) they are not fighting gravity to sit or stand up. If they stay in space for a long time, the lack of gravity makes their muscles start to waste away. Exercise and a (8) diet help to combat these effects. 1. A. calling 2. A. launched 3. A. who 4. A. breathing B. be called B. launching B. which B. breathe C. called C. launch C. that C. breathes D. is called D. launches D. when D. to breathe 5. A. and B. so C. but D. or 6. A. weight B. weigh C. weightless D. weightness 7. A. however B. because C. after D. but 8. A. specially B. specialty C. special D. especial