A multibillion-dollar craft called the Crew Exploration Vehicle (CEV).
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III: Text Organization
Part I (1-3):Part II (4-7):Part III (8-11):Part IV (12-14):Part V (15-18):
David Gump and Gary Hudson; an entrepreneur with fresh ideas.
Innovative technology.
Viability of a new method for air-launching spacecraft .
Win money from NASA and private investors.
IV: Multiple Choices
1-5 CBAAC 6-10 BDCAA
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III: Translation
3.试图利用计算机来复制人脑活动方式数学家们发觉，即使利用最先进电子设备，他们也要建造一台重1万千克计算机才行。
4.结果表明 ...