What is the fact of NASA’s manned space exploration program?
举一反三
- The test could be.......................... in determining NASA's next-generation space vehicle; what's more, its............................... on space exploration should never be underestimated. (influential)
- The fact that space exploration has increased dramatically in the past thirty years _____.
- The TV program on space exploration really ______ my interest in science. A: burned B: sparked C: sparkled D: lighted
- China is the world’s __________ country to independently develop and deploy manned space flight technology.
- China became the world’s _____country to carry out an independent manned space mission？