1. A. launching B. luxuries C. coming D. peaking
2. A. tickets B. weapons C. spaceships D. products
3. A. but also B. towards C. with D. into
4. A. as good as B. like as C. accounts D. such as
5. A. burnt B. bill C. went off D. banged
6. A. reduced B. audience C. observatories D. watcher
7. A. sent back B. returned to C. separated from D. quarter
8. A. weightlessness B. longer C. wavelengths D. length
9. A. space B. atmosphere C. with D. universe
10. A. conserve B. drivers C. tourists D. astronauts