1 . Chinese volunteers have completed a one-year test living in a simulated（模拟的）space lab in Beijing. The total length of the test, which started on May 10th last year, ____ 370 days, thus setting a new record for the ____ stay in a simulated space lab.
The space lab, called the Yuegong-1, or Lunar Palace 1, measures around 150 square meters. It ____ four sleeping rooms, a bathroom, a waste-treatment room and a room for raising animals. The Yuegong-1 provides everything humans need to survive in an environment ____ to that of a space station in outer space. Oxygen, water and food are ____ within it.
A total of eight ____, all of whom are students at Beihang University, took turns ____ in the space lab. They were divided into ____ groups. On May 10, 2017, two men and two women ____ the Yuegong-1 for an initial （最初的）stay of 60 days. On July 9, they were ____ by another group of four, who stayed 200 days. The second group of students ____ on January 26, 2018, and the initial group ____ and spent 110 days inside it.
___, the volunteers were expected to stay in the Yuegong-1 for 365 days. But the project ended up ____ 370 days —from May 10 last year until May 15. The ____ five days were designed as a way to simulate a（n）____, in which the spaceship might experience a ____ in returning to earth.
The goal of the project “Yuegong 365” is to ____ the limits of humans’ ability to live in a ____ ecosystem for China’s manned moon landing ambition. The success of the project means that China goes one step closer to putting ____ on the moon.
1. | A．reached | B．devoted | C．wasted | D．saved |
2. | A．happiest | B．busiest | C．longest | D．hardest |
3. | A．displays | B．contains | C．discovers | D．uses |
4. | A．strange | B．familiar | C．close | D．similar |
5. | A．removed | B．combined | C．sold | D．recycled |
6. | A．volunteers | B．engineers | C．athletes | D．reporters |
7. | A．living | B．studying | C．training | D．communicating |
8. 9. | A．passed | B．entered | C．chose | D．exchanged |
10. | A．impressed | B．welcomed | C．challenged | D．replaced |
11. | A．turned around | B．came up | C．turned up | D．came out |
12. | A．graduated | B．escaped | C．returned | D．retired |
13. | A．At the beginning | B．By the way | C．As a result | D．At the same time |
14. | A．relaxing | B．practicing | C．lasting | D．settling |
15. | A．different | B．extra | C．unforgettable | D．informal |
16. | A．competition | B．emergency | C．performance | D．conflict |
17. | A．delay | B．flood | C．debate | D．war |
18. | A．appreciate | B．control | C．improve | D．test |
19. | A．separated | B．modern | C．closed | D．convenient |
20. | A．spaceships | B．people | C．labs | D．animals |
